Updated on 2024/02/02

写真b

 
NAGANO Shusaku
 
*Items subject to periodic update by Rikkyo University (The rest are reprinted from information registered on researchmap.)
Affiliation*
College of Science Department of Chemistry
Graduate School of Science Doctoral Program in Chemistry
Graduate School of Science Master's Program in Chemistry
Title*
Professor
Degree
Dr. of Engineering ( Tokyo Institute of Technology )
Contact information
Mail Address
Research Theme*
  • 高分子化学、分子組織化学。高分子、液晶などのソフトマテリアルの協同性や増幅作用を利用し、分子配向制御や分子組織化に基づく新規分子材料システムを構築、様々な機能増幅や新規機能発現を目指す。分子設計・合成から、分子組織化、構造解析、物性・機能評価までの材料開発プロセスをすべて行う。

  • Research Interests
  • フォトポリマー

  • polymer semiconductor

  • liquid crystalline polymer

  • ultrathin films

  • block copolymers

  • photopolymers

  • Campus Career*
    • 4 2020 - Present 
      College of Science   Department of Chemistry   Professor
    • 4 2020 - Present 
      Graduate School of Science   Master's Program in Chemistry   Professor
    • 4 2020 - Present 
      Graduate School of Science   Doctoral Program in Chemistry   Professor
     

    Research Areas

    • Nanotechnology/Materials / Polymer materials

    • Nanotechnology/Materials / Organic functional materials

    • Nanotechnology/Materials / Nanometer-scale chemistry

    • Nanotechnology/Materials / Polymer chemistry

    Research History

    • 4 2020 - Present 
      Rikkyo University   Department of Chemistry, College of Science   Professor

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    • 4 2017 - 3 2020 
      Nagoya University   Graduate School of Engineering Molecular and Macromolecular Chemistry   Associate Professor

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    • 8 2011 - 3 2020 
      Associate Professor, Nagoya University Venture Business Laboratory

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    • 8 2011 - 3 2020 
      Nagoya University   Graduate School of Engineering Graduate School of Engineering   Associate professor

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    • 8 2011 - 3 2019 
      Nagoya University   Graduate School of Engineering Department of Molecular Design and Engineering Organic Materials Design and Engineering   Associate Professor

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    • 10 2009 - 3 2013 
      科学技術振興機構(JST)さきがけ研究員(兼任)

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    • 4 2007 - 7 2011 
      Assistant Professor

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    • 4 2007 - 7 2011 
      Nagoya University   Graduate School of Engineering Department of Molecular Design and Engineering   Assistant Professor

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    • 11 2002 - 3 2007 
      Assistant Professor

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    • 3 2007 
      Nagoya University   Graduate School of Engineering Department of Molecular Design and Engineering   Assistant

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    • 4 2001 - 10 2002 
      Researcher, Research & Development Center, Ricoh Company, LTD.

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    • 4 1997 - 3 1998 
      Researcher, Central Reserach Laboratory, Nihon Parkerizing co., LTD.

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    Education

    • 4 1998 - 3 2001 
      Tokyo Institute of Technology   Graduate School, Division of Integrated Science and Engineering

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      Country: Japan

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    • 4 1995 - 3 1997 
      Gakushuin University   Graduate School, Division of Science and Technology

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      Country: Japan

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    • 4 1991 - 3 1995 
      Gakushuin University   Faculty of Science   Department of Chemistry

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    Committee Memberships

    • 9 2017 - 9 2019 
      日本液晶学会   行事担当理事

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      Committee type:Academic society

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    • 6 2017 - 5 2019 
      高分子学会   「高分子」編集員

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      Committee type:Academic society

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    • 3 2015 - 9 2018 
      応用物理学会   プログラム編成委員

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      Committee type:Academic society

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    • 9 2016 - 9 2017 
      日本液晶学会   代議員

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      Committee type:Academic society

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    • 3 2009 - 3 2016 
      日本液晶学会   液晶化学・材料フォーラム 委員

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      Committee type:Academic society

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    • 3 2011 - 3 2013 
      応用物理学会   有機分子・バイオエレクトロニクス分科会 幹事

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      Committee type:Academic society

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    Awards

    • 9 2017  
      高分子学会  高分子学会日立化成賞 

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      Country:Japan

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    • 3 2016  
      永井科学技術財団  平成27年度(第33回)永井科学技術財団賞(奨励賞) 

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      Country:Japan

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    • 9 2015  
      日本液晶学会  日本液晶学会論文賞(A部門) 

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      Country:Japan

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    • 5 2009  
      日本化学会  日本化学会第89春季年会(2009)優秀講演賞(産業) 

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      Country:Japan

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    • 2009  
      東海化学工業会  東海化学工業会賞 

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      Country:Japan

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    • 2008  
      日本液晶学会  日本液晶学会論文賞(A部門) 

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      Country:Japan

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    • 5 2007  
      高分子学会  高分子学会研究奨励賞 

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      Country:Japan

      受賞題目:「疎水性高分子の単分子膜形成手法の開発と分子組織化への展開」

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    • 2002  
      日本MRS学会  第15回日本MRS学術シンポジウム奨励賞 

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      Country:Japan

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    • 1999  
      日本MRS学会  第10回日本MRS学術シンポジウム奨励賞 

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      Country:Japan

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    Papers

    • Janus metallic film with gold and silver luster by electroless deposition of silver using poly(dopamine acrylamide) thin film. International journal

      Mizuki Ohke, Ryoichi Akaishi, Kyoka Tachibana, Michinari Kohri, Shusaku Nagano, Hinako Ebe, Jun Matsui

      RSC advances13 ( 40 ) 28104 - 28111   18 9 2023

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      Language:English   Publishing type:Research paper (scientific journal)  

      Films that exhibit different metallic luster on the front and back, called Janus metallic films, have broad applications ranging from design materials to optical devices. However, the fabrication of these films is often a complicated process involving multiple metal deposition steps, thermal annealing, and calcination. Herein, we report the simple preparation of a Janus metallic film by electroless deposition of silver on a poly(dopamine acrylamide) (pDOPAm) thin film. pDOPAm was successfully synthesized via the controlled reversible addition-fragmentation chain transfer polymerization of dopamine acrylamide without a protective group using dimethylformamide as the solvent. The synthesized pDOPAm was spin-coated onto a solid substrate, which was then immersed in an aqueous AgNO3 solution to achieve the electroless deposition of silver. Our preparation method will considerably simplify the fabrication of Janus metallic films, enabling their widespread application as decorative or authentication materials.

      DOI: 10.1039/d3ra05099h

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    • Effect of the Poly(ethylene glycol) Diacrylate (PEGDA) Molecular Weight on Ionic Conductivities in Solvent-Free Photo-Cross-Linked Solid Polymer Electrolytes

      Manjit S Grewal, Kosuke Ishibashi, Mitsuo Hara, Yuya Ishizaki, Shusaku Nagano, Hiroshi Yabu

      Langmuir39 ( 29 ) 10209 - 10215   12 7 2023

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      Publishing type:Research paper (scientific journal)   Publisher:American Chemical Society (ACS)  

      DOI: 10.1021/acs.langmuir.3c01146

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    • Photoalignment and Photofixation of Chromonic Mesophase in Ionic Linear Polysiloxanes Using a Dual Irradiation System Peer-reviewed

      Mitsuo Hara, Ayaka Masuda, Shusaku Nagano, Takahiro Seki

      Crystals13 ( 2 ) 326   2 2023

    • Lyotropic Liquid Crystalline Property and Organized Structure in High Proton-Conductive Sulfonated Semialicyclic Oligoimide Thin Films Peer-reviewed

      Yuze Yao, Hayato Watanabe, Mitsuo Hara, Shusaku Nagano, Yuki Nagao

      ACS Omega8 ( 8 ) 7470 - 7478   2023

    • Induction of Highly Ordered Liquid Crystalline Phase of an Azobenzene Side Chain Polymer by Contact with 4'-Pentyl-4-cyanobiphenyl: An In Situ Study Peer-reviewed

      Chikara Kawakami, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      Langmuir39 ( 1 ) 619 - 626   1 2023

    • Induced Smectic E Phase in a Binary Blend of Side‐Chain Liquid Crystalline Polymers Peer-reviewed

      Naoki Hida, Tatsunaga Nakajima, Mitsuo Hara, Takahiro Seki, Shusaku Nagano

      Macromolecular Rapid Communications   2200761 - 2200761   23 11 2022

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      Publishing type:Research paper (scientific journal)   Publisher:Wiley  

      DOI: 10.1002/marc.202200761

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      Other Link: https://onlinelibrary.wiley.com/doi/full-xml/10.1002/marc.202200761

    • Fast-Coating Process Based on Elongated Rodlike Preaggregate for Highly Oriented Thin Film of Donor–Acceptor π-Conjugated Polymer Peer-reviewed

      Yu Minowa, Yuta Yabuuchi, Shusaku Nagano, Shuichi Nagamatsu, Akihiko Fujii, Masanori Ozaki

      ACS Applied Materials & Interfaces   25 10 2022

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      Publishing type:Research paper (scientific journal)   Publisher:American Chemical Society (ACS)  

      DOI: 10.1021/acsami.2c13516

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    • Water-Retentive/Lipophilic Amphiphilic Surface Properties Attained by Hygroscopic Polysiloxane Ultrathin Films Peer-reviewed

      Mitsuo Hara, Yuuma Ueno, Shusaku Nagano, Takahiro Seki

      Journal of Fiber Science and Technology78 ( 10 ) 169 - 177   10 2022

    • The Effect of a Topcoat with Amorphous Polymer Layers on the Mesogen Orientation and Photoalignment Behavior of Side Chain Liquid Crystalline Polymer Films Peer-reviewed

      Mari Furuichi, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      Applied Sciences12 ( 19 ) 9410 - 9410   20 9 2022

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      Publishing type:Research paper (scientific journal)   Publisher:MDPI AG  

      The mesogen orientations of liquid crystals are sensitive to the nature of the contacting surface. For side chain liquid crystalline polymer (SCLCP) films, most investigations have been conducted for thin films formed on a solid substrate surface such as glass, quartz and metal oxides, and little knowledge has been accumulated for SCLCP films whose top surface is covered by amorphous polymers. This work presents the effect of a topcoat with amorphous polymers placed on SCLCP films on the mesogen orientation and photoalignment behavior. When an SCLCP film that adopts a homeotropic mesogen orientation is covered with a glass plate or polymer layer, the mesogens turns to a random planar orientation. This planar orientation is favorable for efficient in-plane photoalignment by irradiation with linear polarized light. An in-plane order parameter exceeding 0.5 is readily obtained. Unexpectedly, a significant stabilization of the liquid crystal phase by over 10 °C is observed above the isotropization temperature of the SCLCP. These fundamental sets of knowledge should be significant in the fabrication of various polymer LC devices.

      DOI: 10.3390/app12199410

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    • Hydration and OH<sup>–</sup>/Br<sup>–</sup> Conduction Properties of Fluorene–Thiophene-Based Anion Exchange Thin Films Tethered with Different Cations Peer-reviewed

      Fangfang Wang, Shusaku Nagano, Mitsuo Hara, Yuki Nagao

      ACS Applied Polymer Materials4 ( 8 ) 5965 - 5974   25 7 2022

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      Publishing type:Research paper (scientific journal)   Publisher:American Chemical Society (ACS)  

      DOI: 10.1021/acsapm.2c00811

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    • Humidity-Induced Self-Assembled Nanostructure via Ion Aggregation in Ionic Linear Polysiloxanes Peer-reviewed

      Mitsuo Hara, Atsuki Kodama, Shohei Washiyama, Yoshihisa Fujii, Shusaku Nagano, Takahiro Seki

      Macromolecules55 ( 11 ) 4313 - 4319   5 2022

    • Crystallization-Induced Uniform Nanodots Formation of Titanium Dioxide Films Peer-reviewed

      Mitsuo Hara, Ryota Oguri, Shingo Sarkar, Shusaku Nagano, Takahiro Seki

      Bulletin of the Chemical Society of Japan95 ( 2 ) 216 - 220   2 2022

    • Band-like Transport of Charge Carriers in Oriented Two-Dimensional Conjugated Covalent Organic Frameworks Peer-reviewed

      Samrat Ghosh, Yusuke Tsutsui, Takahiro Kawaguchi, Wakana Matsuda, Shusaku Nagano, Katsuaki Suzuki, Hironori Kaji, Shu Seki

      Chemistry of Materials34 ( 2 ) 736 - 745   25 1 2022

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      Publishing type:Research paper (scientific journal)   Publisher:American Chemical Society (ACS)  

      DOI: 10.1021/acs.chemmater.1c03533

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    • State- and water repellency-controllable molecular glass of pillar[5]arenes with fluoroalkyl groups by guest vapors Peer-reviewed

      Katsuto Onishi, Shunsuke Ohtani, Kenichi Kato, Shixin Fa, Yoko Sakata, Shigehisa Akine, Moe Ogasawara, Hitoshi Asakawa, Shusaku Nagano, Yoshinori Takashima, Motohiro Mizuno, Tomoki Ogoshi

      Chemical Science13 ( 14 ) 4082 - 4087   2022

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:Royal Society of Chemistry ({RSC})  

      Molecular glasses are low-molecular-weight organic compounds that are stable in the amorphous state at room temperature. Herein, we report a state- and water repellency-controllable molecular glass by n-alkane guest vapors. We observed that a macrocyclic host compound pillar[5]arene with the C2F5 fluoroalkyl groups changes from the crystalline to the amorphous state (molecular glass) by heating above its melting point and then cooling to room temperature. The pillar[5]arene molecular glass shows reversible transitions between amorphous and crystalline states by uptake and release of the n-alkane guest vapors, respectively. Furthermore, the n-alkane guest vapor-induced reversible changes in the water contact angle were also observed: water contact angles increased and then reverted back to the original state by the uptake and release of the n-alkane guest vapors, respectively, along with the changes in the chemical structure and roughness on the surface of the molecular glass. The water repellency of the molecular glass could be controlled by tuning the uptake ratio of the n-alkane guest vapor.

      DOI: 10.1039/D2SC00828A

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    • Simple linear ionic polysiloxane showing unexpected nanostructure and mechanical properties Peer-reviewed International journal

      Mitsuo Hara, Yuta Iijima, Shusaku Nagano, Takahiro Seki

      Scientific Reports11 ( 1 ) 17683 - 17683   12 2021

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      Language:English   Publishing type:Research paper (scientific journal)  

      Polysiloxanes are ubiquitous materials in industry and daily life derived from silicates, an abundant resource. They exhibit various properties, which depend on the main-chain network structure. Linear (1D backbone) polysiloxanes provide amorphous materials. They are recognized as fluid materials in the form of grease or oil with a low glass transition temperature. Herein we report that a simple linear polysiloxane, poly(3-aminopropylmethylsiloxane) hydrochloride, shows an elastic modulus comparable to that of stiff resins such as poly(tetrafluoroethylene). By introducing an ammonium salt at all the units of this polysiloxane, inter- and intramolecular ionic aggregates form, immensely enhancing the elastic modulus. This polysiloxane is highly hygroscopic, and its modulus can be altered reversibly 100 million times between moist and dry atmospheres. In addition, it works as a good adhesive for glass substrates with a shear strength of more than 1 MPa in the dry state. Despite its simple structure with a flexible backbone, this polymer unexpectedly self-assembles to form an ordered lamellar nanostructure in dry conditions. Consequently, this work reveals new functions and possibilities for polysiloxanes materials by densely introducing ionic groups.

      DOI: 10.1038/s41598-021-97204-8

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    • Photo-triggered surface relief formation of polystyrene films based on the Marangoni flow driven by a surface photoresponsive skin layer Peer-reviewed

      Issei Kitamura, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      Molecular Crystals and Liquid Crystals727 ( 1 ) 52 - 64   28 9 2021

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      Publishing type:Research paper (scientific journal)   Publisher:Informa {UK} Limited  

      DOI: 10.1080/15421406.2021.1946966

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    • Effect of Surface Silanol Density on the Proton Conductivity of Polymer-Surface-Functionalized Silica Nanoparticles Peer-reviewed

      Kazuki Koseki, Toshihiko Arita, Keisuke Tabata, Tomohiro Nohara, Ryota Sato, Shusaku Nagano, Akito Masuhara

      ACS Sustainable Chemistry & Engineering9 ( 30 ) 10093 - 10099   2 8 2021

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      Publishing type:Research paper (scientific journal)   Publisher:American Chemical Society (ACS)  

      DOI: 10.1021/acssuschemeng.1c01922

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    • Direction‐Selectable Ultra‐Highly Oriented State of Donor–Acceptor Conjugated Polymer Induced by Slow Bar Coating Process Peer-reviewed

      Yuta Yabuuchi, Yu Minowa, Hirotake Kajii, Shusaku Nagano, Akihiko Fujii, Masanori Ozaki

      Advanced Electronic Materials   2100313 - 2100313   8 7 2021

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      Publishing type:Research paper (scientific journal)   Publisher:Wiley  

      DOI: 10.1002/aelm.202100313

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      Other Link: https://onlinelibrary.wiley.com/doi/full-xml/10.1002/aelm.202100313

    • Molecular Orientation and Electrical Properties in tert-Butylated Phthalocyanine Thin Film Fabricated by Uniaxial Solution Coating Peer-reviewed International journal

      Genya Uzurano, Yuta Yabuuchi, Shusaku Nagano, Hirotake Kajii, Ryo Ishiura, Akihiko Fujii, Makoto Yoneya, Masanori Ozaki

      Electronics and Communications in Japan104 ( 1 ) 113 - 119   1 3 2021

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:WILEY  

      Molecular orientation, molecular packing structure, and electrical properties of thermally stable phthalocyanine, tert-butylated phthalocyanine (t-BuPcH2) in the thin film fabricated by bar-coating method were investigated. The XRD patterns indicated that the columns composed of t-BuPcH2 molecules formed hexagonal structure, the axis of which was parallel to the bar-sweep direction, and t-BuPcH2 molecules were vertically aligned to the bar-sweep direction. Uniaxially oriented thin films of t-BuPcH2 were successfully fabricated on Si substrate covered with polyimide by bar-coating method, and the field effect mobility of t-BuPcH2 was estimated to be 1.32 x 10(-4) cm(2) V-1 s(-1) at maximum. The field effect mobility parallel to the bar-sweep direction was approximately three times higher than that perpendicular to the bar-sweep direction due to high electrical conduction along the column axis of t-BuPcH2.

      DOI: 10.1002/ecj.12297

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    • Photoisomerization-induced patterning of ion-pairing materials based on anionic azobenzene and its complex with a fluorescent pi-electronic system dagger Peer-reviewed

      Ryohei Yamakado, Issei Kitamura, Mitsuo Hara, Shusaku Nagano, Takahiro Seki, Hiromitsu Maeda

      CHEMICAL COMMUNICATIONS57 ( 35 ) 4287 - 4290   3 2021

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:ROYAL SOC CHEMISTRY  

      Large mass transport driven by the difference in the photoisomerization-induced surface tension was demonstrated in ion pairs of anionic azobenzene and a cationic polymer. This material motion enabled fluorescence patterning using a trace amount of photoisomerized azobenzenes in complex form with a pi-electronic system.

      DOI: 10.1039/d0cc07640f

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    • Photoswitchable Configuration of Nematic Liquid Crystal Droplets Embedded in a Honeycomb-Patterned Film Peer-reviewed

      Koji Mukai, Mitsuo Hara, Hiroshi Yabu, Shusaku Nagano, Takahiro Seki

      Advanced Materials Interfaces8 ( 20 ) 2100891 - 2100891   2021

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      Publishing type:Research paper (scientific journal)   Publisher:Wiley  

      Honeycomb-patterned polymer films prepared by the breath figure method exhibit unique shape features. These films have potential in various applications, but functional materials are rarely embedded into the arrayed cavity. Here, a photoswitchable function of a compartmented nematic liquid crystal (NLC) in a honeycomb array is proposed. Surface segregation and liquid crystal self-assembly processes cover curved honeycomb walls of polystyrene (PS) with a high-density polymer brush of an azobenzene side chain liquid crystalline polymer (SCLCP), producing honeycomb polymer films with isolated cavities. Spherical confinement of the cavities with the SCLC brush provides a bipolar nematic director (planar anchoring), whereas UV light irradiation induces a radial configuration (homeotropic anchoring) of NLC droplets. Photoisomerization of azobenzene UV and visible light irradiation repeatedly induces a photoswitchable change between the bipolar and radial modes.

      DOI: 10.1002/admi.202100891

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    • Interfacial and Internal Proton Conduction of Weak-acid Functionalized Styrene-based Copolymer with Various Carboxylic Acid Concentrations Peer-reviewed

      Athchaya SUWANSOONTORN, Katsuhiro YAMAMOTO, Shusaku NAGANO, Jun MATSUI, Yuki NAGAO

      Electrochemistry   2021

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      Publishing type:Research paper (scientific journal)   Publisher:The Electrochemical Society of Japan  

      DOI: 10.5796/electrochemistry.21-00042

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    • Formation of Perpendicularly Aligned Sub-10 nm Nanocylinders in Poly(N-dodecylacrylamide-b-ethylene glycol) Block Copolymer Films by Hierarchical Phase Separation Peer-reviewed

      Kohei Matsunaga, Wataru Kukai, Manabu Ishizaki, Masato Kurihara, Shunsuke Yamamoto, Masaya Mitsuishi, Hiroshi Yabu, Shusaku Nagano, Jun Matsui

      Macromolecules53 ( 21 ) 9601 - 9610   10 11 2020

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      Publishing type:Research paper (scientific journal)   Publisher:American Chemical Society ({ACS})  

      DOI: 10.1021/acs.macromol.0c00838

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    • Molecular Orientation and Electrical Properties in <i>tert</i>-Butylated Phthalocyanine Thin Film Fabricated by Uniaxial Solution Coating

      Genya Uzurano, Yuta Yabuuchi, Ryo Ishiura, Makoto Yoneya, Shusaku Nagano, Hirotake Kajii, Akihiko Fujii, Masanori Ozaki

      IEEJ Transactions on Electronics, Information and Systems140 ( 11 ) 1182 - 1188   1 11 2020

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      Publishing type:Research paper (scientific journal)   Publisher:Institute of Electrical Engineers of Japan (IEE Japan)  

      DOI: 10.1541/ieejeiss.140.1182

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    • Biobased Cycloolefin Polymers: Carvone-Derived Cyclic Conjugated Diene with Reactive exo-Methylene Group for Regioselective and Stereospecific Living Cationic Polymerization Peer-reviewed

      Takenori Nishida, Kotaro Satoh, Shusaku Nagano, Takahiro Seki, Masazumi Tamura, Yingai Li, Keiichi Tomishige, Masami Kamigaito

      ACS Macro Letters9 ( 8 ) 1178 - 1183   18 8 2020

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      Publishing type:Research paper (scientific journal)   Publisher:American Chemical Society ({ACS})  

      DOI: 10.1021/acsmacrolett.0c00479

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    • Hierarchical Photocomposition of Heteronanostructures in a Surfactant–Polysiloxane Hybrid Film toward Next-Generation Nanolithography Peer-reviewed

      Mitsuo Hara, Naoyuki Wakitani, Atsuki Kodama, Shusaku Nagano, Takahiro Seki

      ACS Applied Polymer Materials2 ( 6 ) 2284 - 2290   12 6 2020

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      Publishing type:Research paper (scientific journal)   Publisher:American Chemical Society ({ACS})  

      DOI: 10.1021/acsapm.0c00253

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    • Induction of Highly Ordered Smectic Phases in Side Chain Liquid Crystalline Polymers by Means of Random Copolymerization Peer-reviewed

      Ryota Imanishi, Yuki Nagashima, Keisuke Takishima, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      Macromolecules53 ( 6 ) 1942 - 1949   24 3 2020

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      Publishing type:Research paper (scientific journal)   Publisher:American Chemical Society ({ACS})  

      DOI: 10.1021/acs.macromol.9b02649

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    • Cross-correlated humidity-dependent structural evolution of Nafion thin films confined on a platinum substrate Peer-reviewed

      Udit N. Shrivastava, Kota Suetsugu, Shusaku Nagano, Helmut Fritzsche, Yuki Nagao, Kunal Karan

      Soft Matter   2020

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      Publishing type:Research paper (scientific journal)   Publisher:Royal Society of Chemistry ({RSC})  

      DOI: 10.1039/C9SM01731C

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    • Nanophase Separation of Poly(N-alkyl acrylamides): The Dependence of the Formation of Lamellar Structures on Their Alkyl Side Chains Peer-reviewed

      Kazuki Ebata, Yuki Hashimoto, Shunsuke Yamamoto, Masaya Mitsuishi, Shusaku Nagano, Jun Matsui

      Macromolecules52 ( 24 ) 9773 - 9780   24 12 2019

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      Publishing type:Research paper (scientific journal)   Publisher:American Chemical Society (ACS)  

      DOI: 10.1021/acs.macromol.9b01817

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    • Solution processed uniaxially oriented thin film of tert-butyl-substituted phthalocyanine Peer-reviewed

      G. Uzurano, Y. Yabuuchi, R. Ishiura, M. Yoneya, S. Nagano, A. Fujii, M. Ozaki

      Jpn. J. Appl. Phys.59 ( SD ) SDDA05-1 - SDDA05-5   12 2019

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:IOP Publishing  

      DOI: 10.7567/1347-4065/ab5177

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      Other Link: http://iopscience.iop.org/article/10.7567/1347-4065/ab5177/pdf

    • Coating speed dependence of main chain orientation and aggregation of PBTTT-C16 in the bar-coated thin film Peer-reviewed

      Y. Yabuuchi, G. Uzurano, R. Ishiura, M. Nakatani, S. Nagano, A. Fujii, M. Ozaki

      Jpn. J. Appl. Phys.59   SDDA04-1 - SDDA04-7   12 2019

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      Language:English   Publishing type:Research paper (scientific journal)  

      DOI: 10.7567/1347-4065/ab51a8

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    • Cold Crystallization of Ferrocene-Hinged π-Conjugated Molecule Induced by the Limited Conformational Freedom of Ferrocene Peer-reviewed International journal

      Yuki Tsujimoto, Tsuneaki Sakurai, Yuichiro Ono, Shusaku Nagano, Shu Seki

      Journal of Physical Chemistry B123 ( 39 ) 8325 - 8332   3 10 2019

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      Language:English   Publishing type:Research paper (scientific journal)  

      Copyright © 2019 American Chemical Society. Crystallization that proceeds above the glass transition temperature upon heating the glassy or amorphous state is referred to as "cold crystallization", which has often been observed in supercooled phases of molecular materials followed by the transition to the thermodynamically stable crystalline phase. Although this behavior is common for the macromolecules with high structural flexibility among segments preserving the wide temperature range of corresponding glassy phases, cold crystallization of small molecules is relatively rare and there is still less knowledge on the design guideline of such molecules. Here we report a ferrocene-hinged molecule DC12 carrying two units of didodecyl-substituted pentathiophenes at the 1,1′-positions. Due to the rotational freedom of the ferrocene unit, DC12 forms amorphous solid on cooling from its isotropic melt. The amorphous state was realized even by slow cooling such as 0.1 °C min-1. The possible reason for the easy formation of the amorphous phase is the coexistence of various conformations of DC12 originating from the open conformers of the ferrocene. On heating from the amorphous phase, DC12 shows cold crystallization with the estimated activation energy of 61 kJ mol-1. The crystalline phase is composed of the closed form of DC12 molecules packed in a lamellar fashion, and the degree of crystallinity is remarkably high compared with the case of macromolecular materials. The crystallization is triggered by the intermolecular interactions among the dodecyl chains and rotational flexibility of the ferrocene unit. This work provides an unprecedented example that ferrocenes act as heat-controllable rotational hinges in condensed phases. Considering that the cold crystallization phenomenon is related to heat-storage materials, the design strategy presented in this work will be novel to realize both easily formed amorphous phases and highly crystalline phases formed through cold crystallization.

      DOI: 10.1021/acs.jpcb.9b06880

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    • pi-Extension of electron-accepting dithiarubicene with a cyano-substituted electron-withdrawing group and application in air-stable n-channel organic field effect transistors Peer-reviewed

      Tsukamoto, Kenji, Takagi, Koji, Nagano, Shusaku, Hara, Mitsuo, Ie, Yutaka, Osakada, Kohtaro, Takeuchi, Daisuke

      JOURNAL OF MATERIALS CHEMISTRY C7 ( 40 ) 12610 - 12618   10 2019

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:ROYAL SOC CHEMISTRY  

      New pi-extended dithiarubicene derivatives with multiply cyano-substituted ethenyl groups at the molecular termini (BisDCNE and BisTCNE) and with a dicyanomethylene-substituted quinoidal structure (TCNQE) were synthesized for application in n-type organic semiconductors. In their absorption spectra, it was observed that their pi-conjugations are effectively extended in agreement with the quantum chemical calculation. Thanks to the existence of strong electron-withdrawing groups, BisTCNE and TCNQE exhibited low-lying LUMO energy levels at around -4.2 eV that allow easy electron injection and stable electron transfer under ambient conditions. BisTCNE exhibited the most excellent solubility probably due to the slightly twisted conformation. BisTCNE-based bottom-gate bottom-contact OFET devices exhibited the highest electron mobility (mu(e)) up to 5.5 x 10(-2) cm(2) V-1 s(-1) with an on-off current ratio (I-on/I-off) more than 10(5) under vacuum, and can be operated under ambient conditions without the detrimental decrease of electron mobility (mu(e) = 3.3 x 10(-2) cm(2) V-1 s(-1)). From GIXRD measurements, BisTCNE and TCNQE were found to show an edge-on molecular orientation on the HMDS-treated SiO2 substrate. It is a remarkable result that devices based on BisTCNE exhibited a much better performance compared to devices fabricated from TCNQE with a quinoidal structure often applied to superior n-type OFETs.

      DOI: 10.1039/c9tc04325j

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    • Effect of Molecular Orientation to Proton Conductivity in Sulfonated Polyimides with bent backbones Peer-reviewed

      Y. Nagao, K. Ohno, S. Tsuyuki, K. Suetsugu, M. Hara, S. Nagano

      Mol. Cryst. Liq. Cryst.686.   84 - 91   10 2019

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      DOI: 10.1080/15421406.2019.1648041

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    • Photo-responsive dimension-controlled ion-pairing assemblies based on anion complexes of pi-electronic systems Peer-reviewed

      Yamakado, Ryohei, Haketa, Yohei, Hara, Mitsuo, Nagano, Shusaku, Seki, Takahiro, Maeda, Hiromitsu

      CHEMICAL COMMUNICATIONS55 ( 69 ) 10269 - 10272   9 2019

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      Negatively charged pi-electronic systems prepared by the complexation of anion-responsive dipyrrolyldiketone BF2 complexes with an azobenzene bearing an alkanoate and an aliphatic chain provided unique dimension-controlled assemblies, such as a photo-responsive supramolecular gel.

      DOI: 10.1039/c9cc05632g

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    • Formation of High-Density Brush of Liquid Crystalline Polymer Block Associated with Dewetting Process on Amorphous Polymer Film Peer-reviewed

      Mukai Koji, Hara Mitsuo, Nagano Shusaku, Seki Takahiro

      Langmuir35 ( 32 ) 10397-10404   8 2019

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      DOI: 10.1021/acs.langmuir.9b01689

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    • A High-Density Azobenzene Side Chain Polymer Brush for Azimuthal and Zenithal Orientational Photoswitching of a Nematic Liquid Crystal Peer-reviewed

      Mukai Koji, Imai Kenjiro, Hara Mitsuo, Nagano Shusaku, Seki Takahiro

      CHEMPHOTOCHEM3 ( 6 ) 495-500   6 2019

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      DOI: 10.1002/cptc.201800234

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    • Thermochromic Behaviors and crystallinity estimations of poly(3-hexylthiophene) in fine nanoparticles prepared by reprecipitation method Peer-reviewed

      Suetsugu Kota, Hara Mitsuo, Nagano Shusaku, Shito Keiji, Sato Toshimitsu, Masuhara Akito, Seki Takahiro

      Molecular Crystals and Liquid Crystals686 ( 1 ) 104-111   6 2019

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      DOI: 10.1080/15421406.2019.1648044

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    • Homo/hetero-epitaxial growth in tetrabenzotriazaporphyrin derivative thin film fabricated by contact freezing method with seed crystal Peer-reviewed

      Kitagawa Takahiro, Fujisaki Masataka, Nagano Shusaku, Tohnai Norimitsu, Fujii Akihiko, Ozaki Masanori

      APPLIED PHYSICS EXPRESS12 ( 5 )   1 5 2019

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      DOI: 10.7567/1882-0786/ab15bb

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    • Random Planar Orientation in Liquid-Crystalline Block Copolymers with Azobenzene Side Chains by Surface Segregation Invited Peer-reviewed

      Nagano Shusaku

      LANGMUIR35 ( 17 ) 5673-5683   30 4 2019

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    • Introducing planar hydrophobic groups into an alkyl-sulfonated rigid polyimide and how this affects morphology and proton conductivity Peer-reviewed

      Nagao Yuki, Tanaka Teppei, Ono Yutaro, Suetsugu Kota, Hara Mitsuo, Wang Guangtong, Nagano Shusaku, Abe Takashi

      ELECTROCHIMICA ACTA300   333-340   20 3 2019

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    • Photoinitiated Marangoni flow morphing in a liquid crystalline polymer film directed by super-inkjet printing patterns Peer-reviewed

      Kitamura Issei, Oishi Kazuaki, Hara Mitsuo, Nagano Shusaku, Seki Takahiro

      SCIENTIFIC REPORTS9   22 2 2019

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      DOI: 10.1038/s41598-019-38709-1

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    • Collective Competition between Two Mesogens showing Opposing Orientational Nature in Side Chain Liquid Crystalline Polymers Peer-reviewed

      Imanishi Ryota, Nagashima Yuki, Hara Mitsuo, Nagano Shusaku, Seki Takahiro

      CHEMISTRY LETTERS48 ( 2 ) 98-101   2 2019

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      DOI: 10.1246/cl.180879

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    • Lyotropic ordering for high proton conductivity in sulfonated semialiphatic polyimide thin films Peer-reviewed

      Takakura Kensaku, Ono Yutaro, Suetsugu Kota, Hara Mitsuo, Nagano Shusaku, Abe Takashi, Nagao Yuki

      POLYMER JOURNAL51 ( 1 ) 31-39   1 2019

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      DOI: 10.1038/s41428-018-0111-1

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    • Molecular-weight dependence of the formation of highly ordered lamellar structures of poly(N-dodecyl acrylamide) by humid annealing Peer-reviewed

      Kazuki Ebata, Yuki Hashimoto, Kohei Ebara, Mayu Tsukamoto, Shunsuke Yamamoto, Masaya Mitsuishi, Shusaku Nagano, Jun Matsui

      Polymer Chemistry10 ( 7 ) 835-842 - 842   2019

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:Royal Society of Chemistry ({RSC})  

      <p>Highly oriented lamellar films of poly(<italic>N</italic>-dodecylacrylamide) with high molecular weights were formed by nanosegregation between alkyl side chains and a water-adsorbed main chain.</p>

      DOI: 10.1039/C8PY01660G

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    • Surface and interface designs in side-chain liquid crystalline polymer systems for photoalignment Peer-reviewed

      Nagano Shusaku

      POLYMER JOURNAL50 ( 12 ) 1107-1119   12 2018

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      DOI: 10.1038/s41428-018-0100-4

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    • Selective crystal growth in bar-coating process of polymorphic pentyl-substituted phthalocyanine thin film Peer-reviewed

      Nakatani Mitsuhiro, Ohmori Masashi, Nagano Shusaku, Fujii Akihiko, Ozaki Masanori

      ORGANIC ELECTRONICS62   241-247 - 247   11 2018

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:Elsevier BV  

      DOI: 10.1016/j.orgel.2018.08.019

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    • Evaluations for molecular orientations in thin films by grazing incidence X-ray scattering measurement Invited Peer-reviewed

      Yuya Shinohara, Shusaku Nagano

      Ekisho22 ( 4 ) 246‐255   10 2018

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    • Synthesis and Field-Effect Transistor Application of -Extended Lactam-Fused Conjugated Oligomers obtained by Tandem Direct Arylation Peer-reviewed

      Takagi Koji, Yamamoto Shun-ya, Tsukamoto Kenji, Hirano Yuto, Hara Mitsuo, Nagano Shusaku, Ie Yutaka, Takeuchi Daisuke

      CHEMISTRY-A EUROPEAN JOURNAL24 ( 53 ) 14137-14145   20 9 2018

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      DOI: 10.1002/chem.201801399

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    • Proton-Rocking-Chair-Type Redox Capacitors Based on Indium Tin Oxide Electrodes with Multilayer Films Containing Ru Complexes Peer-reviewed

      Yoshikawa Kai, Motoyama Daisuke, Hiruma Yusuke, Ozawa Hiroaki, Nagano Shusaku, Haga Masa-aki

      ACS APPLIED MATERIALS & INTERFACES10 ( 32 ) 26990-27000   15 8 2018

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      DOI: 10.1021/acsami.8b05907

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    • Alignment and Driving in Microphase Separated Structure by Light Invited

      Shusaku Nagano

      High polymers, Japan: polymers67 ( 6 ) 324-326   6 2018

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    • High Proton Conduction of Organized Sulfonated Polyimide Thin Films with Planar and Bent Backbones Peer-reviewed

      Yutaro Ono, Ryosuke Goto, Mitsuo Hara, Shusaku Nagano, Takashi Abe, Yuki Nagao

      Macromolecules51 ( 9 ) 3351 - 3359   8 5 2018

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:American Chemical Society  

      Fast proton conduction was achieved in organized lamellar structures with in-plane oriented structure parallel to the substrate surface using a lyotropic liquid-crystalline (LC) property. Alkyl sulfonated polyimides (ASPIs) with bent main chain structure were newly synthesized to investigate relations between the higher order structure and proton transport properties. Proton conductivity of all polyimide thin films was greater than 10-2 S/cm. Grazing-incidence small-angle X-ray scattering (GI-SAXS) revealed that both planar and bent ASPI thin films exhibited humidity-induced lyotropic lamellar structure. Infrared p-polarized multiple-angle incidence resolution (pMAIR) studies revealed that main chain backbones of both planar and bent ASPI thin films show an in-plane orientation parallel to the substrate surface. Results demonstrate that sulfonated alkyl side chains contribute strongly to the lyotropic LC property, which enhances molecular orderings and proton conductivity by water uptake. This study extends knowledge of the molecular design for highly proton conductive polymers with humidity-induced lyotropic LC property.

      DOI: 10.1021/acs.macromol.8b00301

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    • Complexation of Anion-responsive pi-Electronic System with Alkyl-substituted Azobenzene Carboxylate Providing Ion-pairing Assemblies Peer-reviewed

      Yamakado, Ryohei, Hara, Mitsuo, Nagano, Shusaku, Seki, Takahiro, Maeda, Hiromitsu

      CHEMISTRY LETTERS47 ( 4 ) 404 - 407   4 2018

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:CHEMICAL SOC JAPAN  

      A negatively charged pi-electronic system was prepared by the complexation of a dipyrrolyldiketone BF2 complex as an anion receptor with a trialkyl-substituted azobenzene carboxylate. The bulk-state properties and photo-responsive behaviors of the azobenzene carboxylate in the ion-pairing form were controlled by complexation with the receptor molecule. The formation of receptor-carboxylate complexes was found to modulate the sizes, shapes, and electronic states of the anionic pi-electronic systems, exhibiting the potential to form a variety of ion-pairing assemblies.

      DOI: 10.1246/cl.171128

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    • Photocontrol of mesogen alignment in a side chain LC polymer film by means of random copolymerization of two mesogens of opposing orientation nature Peer-reviewed

      Ryota Imanishi, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      Molecular Crystals and Liquid Crystals663 ( 1 ) 99 - 107   4 3 2018

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:Taylor and Francis Inc.  

      In general, photoreorientive azobenzene (Az) mesogens in side chain liquid crystalline polymers (SCLCPs) adopt a homeotropic orientation in a thin film state, which can be a drawback for the azimuthal photoalignment. We report herein a SCLCP that shows a planar orientation of Az mesogen achieved by random copolymerization with a planarly orienting cyanobiphenyl (CB) mesogen. Using this planarly orienting SCLCP film, a homogeneous in-plane orientation can be readily achieved by irradiation with linearly polarized light, and further a metastable homeotropic orientation is attained by normal irradiation by non-polarized light. Thus, 3D mesogen alignment controls are achievable on demand. We propose here the utility of the random copolymerization strategy to extend the possibility of photoalignment procedures.

      DOI: 10.1080/15421406.2018.1468136

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    • Humidity-responsive phase transition and on-demand UV-curing in a hygroscopic polysiloxane-surfactant nanohybrid film Peer-reviewed

      Mitsuo Hara, Taiki Orito, Shusaku Nagano, Takahiro Seki

      Chemical Communications54 ( 12 ) 1457 - 1460   2018

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:Royal Society of Chemistry  

      We developed a surfactant-directed dynamic hybrid film system containing a cationic hygroscopic polysiloxane whose mesostructure is rapidly altered between lamellar and hexagonal phases by the change in surrounding humidity. Immobilization of one phase is successfully achieved by UV-curing through a photoinitiated thiol-ene reaction. This strategy enables the instant activation of a curable LLC mesostructure on-demand by humidification from a dormant state in a dry atmosphere.

      DOI: 10.1039/c7cc09226a

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    • Core-shell cylinder (CSC) nanotemplates comprising mussel-inspired catechol-containing triblock copolymers for silver nanoparticle arrays and ion conductive channels Peer-reviewed

      Yabu Hiroshi, Nagano Shusaku, Nagao Yuki

      RSC ADVANCES8 ( 19 ) 10627-10632 - 10632   2018

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:ROYAL SOC CHEMISTRY  

      Catechol moieties, which are found in mussel-adhesive proteins, allow the interaction of various kinds of materials that results in substantial adhesion to a wide variety of materials and in the reduction of metal ions to solid metals. Various types of catechol-containing polymers mimicking adhesion and reduction properties have been reported, however, due to its reactivity to a wide variety of functional groups, only a few reports about the formation of block and sequence controlled copolymers containing catechol groups. This is the first report about the synthesis of triblock copolymers containing catechol groups by reversible-addition fragmentation transfer (RAFT) polymerization. The synthesized triblock copolymer forms a core-shell cylinder (CSC) phase-separated structure, in which PVCa domains located the surface of cylinders, and it works as a template for silver nanoparticle arrays and a proton conductive channel. Since triblock copolymer has broader latitude to form phase-separated structures, the triblock copolymer containing catechol groups can be suitable for templates of inorganic nanoparticle arrays.

      DOI: 10.1039/c8ra00630j

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    • Electron-transporting foldable alternating copolymers of perylenediimide and flexible macromolecular chains Peer-reviewed

      Tsuneaki Sakurai, Naomi Orito, Shusaku Nagano, Kenichi Kato, Masaki Takata, Shu Seki

      Materials Chemistry Frontiers2 ( 4 ) 718 - 729   2018

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      Language:English   Publishing type:Research paper (scientific journal)  

      This journal is © The Royal Society of Chemistry and the Chinese Chemical Society 2018 Tuning the electrical conductivity of conjugated macromolecules by nanostructure ordering plays a key role in developing carrier transporting materials applicable to flexible organic electronic devices. Alternating copolymers of perylene-3,4,9,10-tetracarboxylic acid diimide (PDI) and flexible macromonomers, poly(dimethylsiloxane) (PDMS), poly(ethylene glycol) (PEG), or poly(propylene glycol) (PPG), were synthesized via simple polycondensation reactions between 3,4,9,10-perylenetetracarboxylic dianhydride (PTCDA) and bis-amine-terminated corresponding macromonomers. Dynamic traces of absorption and fluorescence spectra of the series of alternating copolymers, with the indication of PDI chromophores, suggested the more foldable nature in tetrahydrofuran of the PDMS-based polymer than of the PEG- and PPG-based polymers. The folding capability of these polymers in solution was confirmed by fluorescence spectra and the absolute fluorescence quantum efficiency values. In the solid films, the condensed state of the polymers showed X-ray diffraction patterns of periodic structures, which depend on the type of macromolecular chains: PEG showed a highly crystallized state in contrast to the slightly crystalline PDI molecules in the PDMS and PPG-based polymers. Photoconductivity upon ultraviolet excitation has been screened by noncontact microwave measurements, and the mobility of electrons has also been characterized based on the kinetic traces of radical anions on the PDI chromophores. The negligible optical absorption observed from the PDMS-based polymers revealed the lowest photocarrier generation yield among the prepared polymers. The observed low conductivity for the PDMS-based, most foldable polymers possibly results from a lower photo-charge generation yield and thermal fluctuations of the flexible PDMS chains. The PEG-based polymer marked the largest electron mobility of 0.2 cm 2 V 1 s 1 , reflecting the highly crystalline nature of the PEG chains.

      DOI: 10.1039/c7qm00616k

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    • Acid-Group-Content-Dependent Proton Conductivity Mechanisms at the Interlayer of Poly(N-dodecylacrylamide-co-acrylic acid) Copolymer Multilayer Nanosheet Films Peer-reviewed

      Takuma Sato, Mayu Tsukamoto, Shunsuke Yamamoto, Masaya Mitsuishi, Tokuji Miyashita, Shusaku Nagano, Jun Matsui

      LANGMUIR33 ( 45 ) 12897 - 12902   11 2017

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:AMER CHEMICAL SOC  

      The effect of the content of acid groups on the proton conductivity at the interlayer of polymer-nanosheet assemblies was investigated. For that purpose, amphiphilic poly(N-dodecylacrylamide-co-acrylic acid) copolymers [p-(DDA/AA)] with varying contents of AA were synthesized by free radical polymerization. Surface pressure (70 area (A) isotherms of these copolymers indicated that stable polymer monolayers are formed at the air/water interface for AA mole fraction (n) &lt;= 0.49. In all cases, a uniform dispersion of the AA groups in the polymer monolayer was observed. Subsequently, polymer monolayers were transferred onto solid substrates using the Langmuir-Blodgett (LB) technique. X-ray diffraction (XRD) analyses of the multilayer films showed strong Bragg diffraction peaks, suggesting a highly uniform lamellar structure for the multilayer films. The proton conductivity of the multilayer films parallel to the direction of the layer planes were measured by impedance spectroscopy, which revealed that the conductivity increased with increasing values of n. Activation energies for proton conduction of similar to 0.3 and 0.42 eV were observed for n &gt;= 0.32 and n = 0.07, respectively. Interestingly, the proton conductivity of a multilayer film with n = 0.19 did not follow the Arrhenius equation. These results were interpreted in terms of the average distance between the AA groups (l(AA)), and it was concluded that, for n &gt;= 0.32, an advanced 2D hydrogen bonding network was formed, while for n = 0.07, 1 is too long to form such hydrogen bonding networks. The I-AA for n = 0.19 is intermediate to these extremes, resulting in the formation of hydrogen bonding networks at low temperatures, and disruption of these networks at high temperatures due to thermally induced motion. These results indicate that a high proton conductivity with low activation energy can be achieved, even under weakly acidic conditions, by arranging the acid groups at an optimal distance.

      DOI: 10.1021/acs.langmuir.7b03160

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    • Phototunable Christiansen Color Filter Using Photoisomerization of Stilbene Peer-reviewed

      Kensuke Ogawa, Mitsuo Hara, Shusaku Nagano, Takahiro Seki, Yukikazu Takeoka

      CHEMISTRY LETTERS46 ( 9 ) 1386 - 1389   9 2017

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      We report a fabrication of a phototunable color filter by combining the Christiansen filter effect and photoisomerization of stilbene. It is known that stilbene isomerizes by irradiation with light, but in that case the light absorption capacity changes only in the ultraviolet region. However, the change in the refractive index due to the isomerization is reflected in the visible light region. A system in which glass beads were dispersed in a solution containing dissolved stilbene as a photochromic dye exhibited a vivid color due to the Christiansen filter effect, in spite of the lack of pigment color. Additionally, we found that the hue of the system can be changed by the isomerization of stilbene upon irradiation with ultraviolet light.

      DOI: 10.1246/cl.170603

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    • Photoalignment of Vertically Oriented Microphase Separated Lamellae in LC-LC Diblock Copolymer Thin Film Peer-reviewed

      Koichiro Beppu, Yuki Nagashima, Mituo Hara, Shusaku Nagano, Takahiro Seki

      MACROMOLECULAR RAPID COMMUNICATIONS38 ( 13 )   7 2017

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:WILEY-V C H VERLAG GMBH  

      The microphase separation and photoalignment behavior of a diblock copolymer consisting of two kinds of side chain liquid crystalline (LC) polymers are investigated. Here, the mesogens of photoresponsive azobenzene and non-photoresponsive cyanobiphenyl are introduced in the side chains. The azobenzene and cyanobiphenyl mesogens orient homeotropically and planarly, respectively, in a thin film state. The combination of these contrasting orienting properties leads to a formation of vertically oriented lamella in the microphase separation structure. Irradiation with linearly polarized light onto this polymer film induces a highly oriented microphase separation structure having regularly elongated stripe morphology with 30 nm periodicity. The nearly defect-free morphology of this LC-LC diblock copolymer after the photoalignment is a distinct feature when compared with those of coil (amorphous)-LC diblock copolymer films possessing the same azobenzene side chain.

      DOI: 10.1002/marc.201600659

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    • Facile preparation of transparent poly(vinyl alcohol) hydrogels with uniform microcrystalline structure by hot-pressing without using organic solvents Peer-reviewed

      Tomoyo Sakaguchi, Shusaku Nagano, Mitsuo Hara, Suong-Hyu Hyon, Monika Patel, Kazuaki Matsumura

      POLYMER JOURNAL49 ( 7 ) 535 - 542   7 2017

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:NATURE PUBLISHING GROUP  

      Poly(vinyl alcohol) hydrogels (PVA-Hs) are promising materials for various biomedical applications and have been studied extensively. Low-temperature crystallization is the most popular method used to prepare PVA-Hs with excellent mechanical properties. However, this method uses dimethylsulfoxide (DMSO) as a solvent, which is toxic and difficult to handle. In this study, a novel hot-pressing method was developed for preparing transparent PVA-Hs in order to eliminate the need of DMSO for solubilizing PVA during gelation. Unlike the conventional methods, this method used high initial concentrations of PVA, which made the molding of the gels easy and enhanced their gelation. The hydrogels prepared by hot-pressing showed rapid gelation of the PVA molecules along with an enhanced crystallinity, unlike the hydrogels prepared by freezing and thawing. The efficiency of different solvents (water and DMSO/water mixtures) for the preparation of PVA-Hs by the hot-pressing method was tested. The total amount of crystallites was the same for all the gels irrespective of the solvent used. However, the gels solubilized in only water showed a decrease in the net crystal size. This method not only eliminates the use of DMSO in preparing PVA-Hs but also produces gels with high mechanical properties for future use.

      DOI: 10.1038/pj.2017.18

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    • Photo-Responsive Soft Ionic Crystals: Ion-Pairing Assemblies of Azobenzene Carboxylates Peer-reviewed

      Yamakado, Ryohei, Hara, Mitsuo, Nagano, Shusaku, Seki, Takahiro, Maeda, Hiromitsu

      CHEMISTRY-A EUROPEAN JOURNAL23 ( 39 ) 9244 - 9248   7 2017

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:WILEY-V C H VERLAG GMBH  

      This report delineates the design and synthesis of negatively charged azobenzene derivatives that form photo-responsive ion-pairing assemblies. The azobenzene carboxylates possessing aliphatic chains were prepared as photo-responsive anions that promote the formation of ion-pairing dimension-controlled assemblies, including mesophases, when used in conjunction with a tetrabutylammonium (TBA) cation. The photo-responsive properties of the ion pairs and the precursory carboxylic acids in the bulk state were examined by polarized optical microscopy (POM) and X-ray diffraction (XRD), demonstrating that liquid crystal (LC)-liquid and crystal-liquid phase transitions occurred, depending on the number and lengths of the aliphatic chains of each assembly. An ion pair exhibited photo-induced crystal-crystal phase transitions upon switching between two irradiation wavelengths (365/436 nm).

      DOI: 10.1002/chem.201701925

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    • New strategies for light-induced alignment and switching in liquid crystalline polymers

      Takahiro Seki, Mitsuo Hara, Shusaku Nagano

      Photon-Working Switches   421 - 441   29 5 2017

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      Language:English   Publishing type:Part of collection (book)   Publisher:Springer Japan  

      The photoalignment processes in liquid crystal films are based on the occurrence of angular selective photoreactions by linearly polarized light or oblique incidence of light. Alignment of nematic liquid crystals by a surface photoreactive layer has recently become of industrial importance in the fabrication of liquid crystal display panels due to the advantages of non-contact and fine resolution processing. Efforts in this field have also been extending to develop other types of procedures with various liquid crystalline materials. This chapter introduces some new trends in the photoalignment studies including systems of (i) lyotropic chromonic and organic-inorganic hybrids, (ii) block copolymer systems, and (iii) new methods utilizing the free (air) surface for inducing the alignment. These new strategies are expected to provide new directions of materials chemistry and phototechnologies.

      DOI: 10.1007/978-4-431-56544-4_21

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    • SRG Inscription in Supramolecular Liquid Crystalline Polymer Film: Replacement of Mesogens Peer-reviewed

      Shun Mitsui, Shusaku Nagano, Mitsuo Hara, Takahiro Seki

      CRYSTALS7 ( 2 )   2 2017

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:MDPI AG  

      The photoinduced surface relief formation via mass transfer upon irradiation with patterned light has long been a subject of extensive investigation. In azobenzene-containing liquid crystalline materials, UV light irradiation that generates the cis isomer leads to the liquid crystal to isotropic photochemical transition. Due to this phase change, efficiency of the mass transfer to generate a surface relief grating (SRG) becomes markedly greater. We have previously indicated that azobenzene-colored SRG-inscribed film can be bleached by removing a hydrogen-bonded azobenzene mesogen. However, this process largely reduces the height feature of the SRG corrugation. Herein, we propose an extended procedure where a colorless mesogen is filled successively after the removal of the azobenzene side chain. The process involves four stages: (i) SRG inscription in a hydrogen-bonded supramolecular azobenzene material; (ii) crosslinking (insolubilization) of the SRG film; (iii) removal of azobenzene mesogen by rinsing with a solvent, and (iv) stuffing the hollow film with a different mesogen. Although the final stuffing stage was insufficient at the present stage, this work demonstrates the possibility and validity of the strategy of mesogen replacement.

      DOI: 10.3390/cryst7020052

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    • Photo-modulations of surface wrinkles formed on elastomer sheets Peer-reviewed

      Takahiro Seki, Daichi Yamaoka, Takahiro Takeshima, Yuki Nagashima, Mitsuo Hara, Shusaku Nagano

      MOLECULAR CRYSTALS AND LIQUID CRYSTALS644 ( 1 ) 52 - 60   2017

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:TAYLOR & FRANCIS LTD  

      Surface wrinkle formation is ubiquitous in nature, and has become of great importance from the technological viewpoints of surface patterning and fabrications. To date, most of studies on the surface wrinkle formation have been achieved with surface thin films of fixed physical properties formed by deposition or lamination on elastomeric sheets such as poly(dimethyl siloxane) films. This article introduces our recent results on tunable surface wrinkle formation in response to light using azobenzene-containing liquid crystalline polymers. Two strategies are proposed: i) anisotropic wrinkle formation using a photoalignable radical initiator in UV-curable liquid crystal films, and ii) modulations of wrinkle formation using a series of azobenzene liquid crystalline polymers.

      DOI: 10.1080/15421406.2016.1277329

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    • Formation of unusual microphase-separated ultrathin films of poly(vinyl catechol-block-styrene) (PVCa-b-PSt) at the air-water interface by solution casting onto water Peer-reviewed

      Hiroshi Yabu, Shusaku Nagano

      RSC ADVANCES7 ( 53 ) 33086 - 33090   2017

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:ROYAL SOC CHEMISTRY  

      This report describes the preparation of ultrathin films possessing unusual fingerprint-like morphologies for poly(vinyl catechol-block-styrene) (PVCa-b-PSt) at the air-water interface by simply mixing a solution into water followed by solvent evaporation. Structural analysis and comparison with typical surface micelles of amphiphilic diblock copolymers indicated that precipitation and micelle aggregation played a significant role in the formation and unusual microphase separation of PVCa-b-PSt ultrathin films. In addition, the interior structures of the ultrathin films could be adjusted by adding homo-polystyrene (hPSt). Silver nanoparticle arrays were formed by immersing ultrathin films in aqueous AgNO3 and a microphaseseparated structure in the ultrathin films could act as a template for the arrays.

      DOI: 10.1039/c7ra06574d

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    • In-plane oriented highly ordered lamellar structure formation of poly(N-dodecylacrylamide) induced by humid annealing Peer-reviewed

      Yuki Hashimoto, Takuma Sato, Ryosuke Goto, Yuki Nagao, Masaya Mitsuishi, Shusaku Nagano, Jun Matsui

      RSC ADVANCES7 ( 11 ) 6631 - 6635   2017

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:ROYAL SOC CHEMISTRY  

      In this paper, we report that poly(N-dodecylacrylamide) (pDDA) formed a well-ordered lamellar structure by annealing in humid conditions. Differential scanning calorimetry measurements of pDDA showed that the crystallized part of the dodecyl side chain in nanodomains melted at -28.5 degrees C and a glass transition temperature of 73.6 degrees C, indicating that pDDA is an amorphous polymer at room temperature (20 degrees C). Thin films of pDDA were prepared by spin coating. Two-dimensional grazing-angle incidence X-ray diffraction (GI-XRD) measurements indicated that the film is composed of randomly oriented lamellar domains. When the film was annealed under 98% relative humidity at 60 degrees C for 24 h, the GI-XRD imaging plate showed spot-like diffraction in the out-of-plane direction with second-order and third-order peaks, indicating that the lamellar plane is oriented parallel to the substrate plane. The lamellar spacing was determined to be 3.25 nm from the Bragg peak. Fourier transform infrared measurements of lamellar structured films showed that the dodecyl side chains are aligned perpendicular to the lamellar plane.

      DOI: 10.1039/c6ra27994e

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    • Liquid Crystal Phase Behavior of a Polymer Brush Film with Azobenzene Side Chains Peer-reviewed

      Koji Mukai, Kenjiro Imai, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      KOBUNSHI RONBUNSHU74 ( 1 ) 59 - 63   2017

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      Language:Japanese   Publishing type:Research paper (scientific journal)   Publisher:SOC POLYMER SCIENCE JAPAN  

      High density liquid crystalline (LC) polymer brushes with side chain LC azobenzene were synthesized via surface-initiated atom transfer radical polymerization. LC phase transition behavior was investigated by in situ UV-visible absorption spectroscopy and grazing incidence small angle X-ray scattering (GI-SAXS). The free LC polymer chains in a spincast film exhibited three distinct thermal transitions, glass phase-smectic C (SmC)-smectic A (S(m)A)-isotropic, which correspond to the phase change behavior in the bulk state. On the other hand, the brush film only exhibited the S(m)A phase in the LC temperature range and the S(m)A-SmC phase transition was inhibited. This fact indicates that the LC phase transition behavior in the LC polymer brush is different from that in the free LC polymer of the spincast film. The high density grafted polymer brush structure constrains the mobility of the main chains, which impedes the tilt of mesogenic side chains.

      DOI: 10.1295/koron.2016-0045

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    • Free surface command layers for the photoalignment Peer-reviewed

      Takahiro Seki, Kei Fukuhara, Daisuke Tanaka, Takashi Nakai, Mitsuo Hara, Shusaku Nagano

      MOLECULAR CRYSTALS AND LIQUID CRYSTALS653 ( 1 ) 1 - 8   2017

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:TAYLOR & FRANCIS LTD  

      The photoaglinment technologies of liquid crystalline (LC) materials are becoming more important in industries for the fabrication of LC display panels. The photoalignment is based on the anisotropic photoreaction taking place on the substrate surface. We recently proposed a new strategy of surface alignment of LC polymer films utilizing the free (air side) surface instead of solid substrate surface. This short review describes our recent advances of such approach using azobenzene- and cyanobiphenyl- containing side chain liquid crystalline polymers, focusing on the important role of the free surface to control the side chain mesogen orientation. Three series of results are introduced here: i) the first motivation to demonstrate the effect of free surface layer, ii) the alternation of orientation by the rigidity of main chain structure, which is governed by the free surface, and iii) the out-of-plane photocontrol of mesogens by the photoresponsive skin layer at the free surface.

      DOI: 10.1080/15421406.2017.1351288

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    • Effect of Casting Solvent on Interfacial Molecular Structure and Proton Transport Characteristics of Sulfonated Polyimide Thin Films Peer-reviewed

      Yuki Nagao, Karthik Krishnan, Ryosuke Goto, Mitsuo Hara, Shusaku Nagano

      ANALYTICAL SCIENCES33 ( 1 ) 35 - 39   1 2017

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:JAPAN SOC ANALYTICAL CHEMISTRY  

      Two sulfonated polyimide (SPI) thin films were prepared with water and THF/water mixed solvents, respectively. The SPI thin film prepared with THF/water showed more than 5 times higher proton conductivity than that prepared with water mixed solvent at low relative humidity (RH) and 298 K. In this study, polarized optical microscopy (POM), grazing incidence small angle X-ray scattering (GISAXS), and p-polarized multiple angle incidence resolution spectrometry (pMAIRS) were carried out to investigate liquid crystalline (LC) optical ordered structure, organized structure, and molecular orientation. The molecular ordered parts using LC properties in the SPI thin films exhibited an almost identical structure under the low RH condition. On the other hand, the molecular orientation of the imide C=O groups in the non-ordered parts, which could not be detected by POM and GISAXS, showed different angles. The proton conductivity under low RH conditions is affected by the degree of the molecular orientation in the non-ordered parts of the SPI thin films.

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    • Chemical surface modification of aluminum oxide nanoparticles with graft copolymer of aluminum oxide and poly(isobutyl vinyl ether) mechanochemically synthesized in vacuum at low temperature Peer-reviewed

      Toshiyuki Motokawa, Masakazu Makino, Katsuhiro Yamamoto, Hiroshi Takase, Shusaku Nagano, Yukiko Enomoto-Rogers, Tadahisa Iwata, Tatsumi Kawaguchi, Masato Sakaguchi

      ADVANCED POWDER TECHNOLOGY28 ( 1 ) 266 - 279   1 2017

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:ELSEVIER SCIENCE BV  

      Chemical surface modification of aluminum oxide (AO) nanoparticles with graft copolymer of AO and poly (isobutyl vinyl ether) (PIBVE) (AO-graft-PIBVE) was carried out by ball milling of AO nanoparticles with IBVE in vacuum at low temperature. The AO-graft-PIBVE was evidenced by FT-IR and 1H NMR spectra. The surface modified AO nanoparticles with mono-dispersed particle diameter exhibited structural blue color which was evidenced by photograph, optical spectroscopy (UV-Vis-NIR) and SEM image. The key atoms for the mechanochemical reactions were assigned by the net charge and the distribution of the HOMO and/or LUMO at each atom estimated by molecular orbital calculations. The reaction scheme is proposed; naked Al cations of AO (AO-Al+) were produced by ionic scission of aluminum-oxygen bond by ball milling and trapped at the surface of AO nanoparticles. The AO-Al+ reacted with IBVE, formed a novel bond between the Al-atom of AO-AP and the C-atom of IBVE, and resulted in AO-Al-IBVE+. The AO-AI-IBVE+ sequentially reacted to the C-atom of IBVE, and finally resulted in AO-graft-PIBVE. The PIBVE homopolymer was simultaneously produced by the ball milling of AO with IBVE in vacuum at low temperature. The key atoms for the reactions were assigned by the molecular orbital calculations. (C) 2016 The Society of Powder Technology Japan. Published by Elsevier B.V. and The Society of Powder Technology Japan. All rights reserved.

      DOI: 10.1016/j.apt.2016.09.031

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    • アゾベンゼン側鎖を有するポリマーブラシ膜の液晶相転移挙動 Peer-reviewed

      向井 孝次, 今井 絢二郎, 原 光生, 永野 修作, 関 隆広

      高分子論文集74 ( 1 ) 59-63   1 2017

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    • Combinational Effects of Polymer Viscoelasticity and Immobilized Peptides on Cell Adhesion to Cell-selective Scaffolds Peer-reviewed

      Rio Kurimoto, Kei Kanie, Koichiro Uto, Shun Kawai, Mitsuo Hara, Shusaku Nagano, Yuji Narita, Hiroyuki Honda, Masanobu Naito, Mitsuhiro Ebara, Ryuji Kato

      ANALYTICAL SCIENCES32 ( 11 ) 1195 - 1202   11 2016

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:JAPAN SOC ANALYTICAL CHEMISTRY  

      Immobilization of functional peptides on polymer material is necessary to produce cell-selective scaffolds. However, the expected effects of peptide immobilization differ considerably according to the properties of selected polymers. To understand such combinational effects of peptides and polymers, varieties of scaffolds including a combination of six types of poly(epsilon-caprolactone-co-D,L-lactide) and four types of cell-selective adhesion peptides were fabricated and compared. On each scaffold, the scaffold properties (i.e. mechanical) and their biological functions (i.e. fibroblast-/endothelial cell-/smooth muscle cell-selective adhesion) were measured and compared. The results showed that the cell adhesion performances of the peptides were considerably enhanced or inhibited by the combination of peptide and polymer properties. In the present study, we illustrated the combinational property effects of peptides and polymers using multi-parametric analyses. We provided an example of determining the best scaffold performance for tissue-engineered medical devices based on quantitative data-driven analyses.

      DOI: 10.2116/analsci.32.1195

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    • High-density liquid crystalline polymer brushes formed via surface segregation and self-assembly Peer-reviewed

      K. Mukai, M. Hara, S. Nagano, T. Seki

      Angew. Chem. Int. Ed.128   14234-14238   11 2016

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      DOI: 10.1002/ange.201607786

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    • High-Density Liquid-Crystalline Polymer Brushes Formed by Surface Segregation and Self-Assembly Peer-reviewed

      Koji Mukai, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      Angewandte Chemie International Edition55 ( 45 ) 14028 - 14032   11 2016

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:WILEY-V C H VERLAG GMBH  

      High-density polymer brushes on substrates exhibit unique properties and functions stemming from the extended conformations due to the surface constraint. To date, such chain organizations have been mostly attained by synthetic strategies of surface-initiated living polymerization. We show herein a new method to prepare a high-density polymer brush architecture using surface segregation and self-assembly of diblock copolymers containing a side-chain liquid-crystalline polymer (SCLCP). The surface segregation is attained from a film of an amorphous base polymer (polystyrene, PS) containing a minor amount of a SCLCP-PS diblock copolymer upon annealing above the glass-transition temperature. The polystyrene portion of the diblock copolymer can work as a laterally mobile anchor for the favorable self-assembly on the polystyrene base film.

      DOI: 10.1002/anie.201607786

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    • Proton Conductivities of Lamellae-Forming Bioinspired Block Copolymer Thin Films Containing Silver Nanoparticles Peer-reviewed

      Hiroshi Yabu, Jun Matsui, Mitsuo Hara, Shusaku Nagano, Yasutaka Matsuo, Yuki Nagao

      LANGMUIR32 ( 37 ) 9484 - 9491   9 2016

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:AMER CHEMICAL SOC  

      Size-controlled metal nanoparticles (NPs) were spontaneously formed when the amphiphilic diblock copolymers consisting of poly(vinyl catechol) and polystyrene (PVCa-b-PSt) were used as reductants and templates for NPs. In the present study, the proton conductivity of well-aligned lamellae structured PVCa-b-PSt films with Ag NPs was evaluated. We found that the proton conductivity of PVCa-b-PSt film was increased 10-fold by the addition of Ag NPs into the proton conduction channels filled with catechol moieties. In addition, the effect of humidity and the origin of proton conductivity enhancement was investigated.

      DOI: 10.1021/acs.langmuir.6b02521

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    • Metal-Organic Coordination Network Thin Film by Surface-Induced Assembly Peer-reviewed

      Salinthip Laokroekkiat, Mitsuo Hara, Shusaku Nagano, Yuki Nagao

      LANGMUIR32 ( 26 ) 6648 - 6655   7 2016

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:AMER CHEMICAL SOC  

      The growth of metal organic coordination network thin films on surfaces has been pursued extensively and intensively to manipulate the molecular arrangement. For this study, the oriented multilayer thin films based on porphyrinic nanoarchitecture were synthesized toward metal-organic coordination networks using surface-induced assembly (SIA). Nanoscale molecular thin films were prepared at room temperature using cobalt(II) ion and porphyrin building blocks as precursors. Stepwise growth with a highly uniform layer was characterized using UV-vis, AFM, IR, and XPS studies. The grazing incidence small-angle X-ray scattering and X-ray reflectivity results remarkably suggested a periodic structure in in-plane direction with constant and high mass density (ca. 1.5 g/cm(3)) throughout the multilayer formation. We propose that orientation of the porphyrin macrocycle plane with a hexagonal packed model by single anchoring mode was tilted approximately 60 with respect to the surface substrate. It is noteworthy that the well-organized structure of porphyrin-based macrocyclic framework on the amine-terminated surface substrate can be achieved efficiently using a simple SIA approach under mild synthetic conditions. The synthesized thin film provides a different structure from that obtained using bulk synthesis. This result suggests that the SIA technique can control not only the film thickness but also the structural arrangement on the surface. This report of our research provides insight into the ordered porphyrin-based metal-organic coordination network thin films, which opens up opportunities for exploration of-unique thin film materials for diverse applications.

      DOI: 10.1021/acs.langmuir.6b01251

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    • Fabrication and Characterization of Cross-Linked Organic Thin Films with Nonlinear Mass Densities Peer-reviewed

      Md. A. Rashed, Salinthip Laokroekkiat, Mitsuo Hara, Shusaku Nagano, Yuki Nagao

      LANGMUIR32 ( 23 ) 5917 - 5924   6 2016

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:AMER CHEMICAL SOC  

      The preparation of urea (bonded) cross-linked multilayer thin films by sequential deposition of bifunctional and tetrafunctional molecular building blocks is demonstrated. Multilayer growth as a. function of deposition cycles was inspected using UV-Vis absorption spectroscopy.. From infrared results, three characteristic infrared bands of amide I, amide II, and asymmetric v(a)(N-C-N) strtching confirmed the formation of polyurea networks by alternate dipping into solutions of amine and isocyanate functionality monomers. The deconvoluted component of the C is and N is spectra obtained by X-ray photoelectron spctroscopy shows clear evidence of stable polyurea networks. The enhancement of structural periodicity with film growth was demonstrated by grazing incidence small-angle X-ray scattering measurements. The thin film near the substrate surface seems to have an amorphous structure. However, molecular ordering improves in the surface normal direction of the substrate with a certain number of deposited layers. Constant mass density was not observed with deposition cycles. The mass density increased up to 16% within deposited layers from proximate layers to those extending away from the substrate surface. This difference in the packing density might derive from the different degrees of cross-linking among layers proximate to the substrate surface and extending away from the substrate surface.

      DOI: 10.1021/acs.langmuir.6b00540

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    • Evaluations of Mesogen Orientation in Thin Films of Polyacrylate with Cyanobiphenyl Side Chain Peer-reviewed

      Daisuke Tanaka, Tasuku Mizuno, Mitsuo Hara, Shusaku Nagano, Itsuki Saito, Katsuhiro Yamamoto, Takahiro Seki

      LANGMUIR32 ( 15 ) 3737 - 3745   4 2016

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:AMER CHEMICAL SOC  

      The orientation behavior of mesogens in a polyacrylate with cyanobiphenyl (CB) side chain in thin films was investigated in detail by UV-vis absorption spectroscopy and grazing incidence small-angle X-ray scattering (GI-SAXS) measurements using both high-energy X-rays of Cu K alpha line (lambda = 0.154 rim) and low-energy synchrotron X-rays (lambda = 0.539 nm). By changing the film thickness ranging 7-200 nm, it is concluded that the planar orientation is predominant for thin films with thickness below 10-15 nm. This planar mesogen orientation near the substrate surface coexists with the homeotropically aligned CB mesogens in films thicker than 30 nm. For the thinnest 7 nm film, the planar orientation is unexpectedly lost, which is in consort with a disordering of medic layer structure. Peculiar orienting characteristics of CB mesogen are suggested, which probably stem from the tendency to form an antiparallel arrangement of mesogens due to the strong dipole moment of the terminal cyano group.

      DOI: 10.1021/acs.langmuir.6b00538

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    • Silver Nanoparticle Arrays Prepared by In Situ Automatic Reduction of Silver Ions in Mussel-Inspired Block Copolymer Films Peer-reviewed

      Yuta Saito, Takeshi Higuchi, Hiroshi Jinnai, Mitsuo Hara, Shusaku Nagano, Yasutaka Matsuo, Hiroshi Yabu

      MACROMOLECULAR CHEMISTRY AND PHYSICS217 ( 6 ) 726 - 734   3 2016

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:WILEY-V C H VERLAG GMBH  

      Block copolymer phase separation has been employed to form templates for the fabrication of nanoscale patterns of metals due to their characteristic size scales that range from several nanometers to tens of nanometers. In the present work, poly(vinyl catechol-block-styrene) PVCa-b-PSt synthesized with various compositions forms unique microphase-separated structures. Silver nanoparticles are spontaneously formed inside of the PVCa phases due to the reductive properties of the catechol moieties. The alignment and formation of silver nanoparticle arrays is successfully achieved without the need for high-temperature thermal treatment or chemical reduction processes. The present system can be applied to the formation of nanoparticle arrays with a wide variety of metals by control of their arrangement.

      DOI: 10.1002/macp.201500504

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    • Inducing Planar Orientation in Side-Chain Liquid-Crystalline Polymer Systems via Interfacial Control Peer-reviewed

      Shusaku Nagano

      CHEMICAL RECORD16 ( 1 ) 378 - 392   2 2016

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:WILEY-V C H VERLAG GMBH  

      For efficient photoresponses of liquid-crystal (LC) azobenzene (Az) polymer systems, planar LC orientation of the Az mesogenic group is required because the light irradiation process usually occurs with normal incidence to the film surface. However, LC molecules with a rodlike shape tend to orient perpendicularly to the film surface according to the excluded volume effect theory. This review introduces new approaches for inducing planar orientation in side-chain LC Az polymer films via interface and surface molecular designs. The planar orientation offers efficient in-plane photoalignment and photoswitching to hierarchical LC architectures from molecular LC mesogens and LC phases to mesoscopic microphase-separated structures. These approaches are expected to provide new concepts and possibilities in new LC polymer devices.

      DOI: 10.1002/tcr.201500232

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    • 細胞培養基材においてマテリアル物性がコーティング分子機能に与える影響の検証

      栗本理央, 栗本理央, 蟹江慧, 宇都甲一郎, 原光生, 永野修作, 成田裕司, 内藤昌信, 内藤昌信, 荏原充宏, 荏原充宏, 加藤竜司

      再生医療15   332   1 2 2016

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      Language:Japanese  

      J-GLOBAL

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    • Combinational Effect of Cell Adhesion Biomolecules and Their Immobilized Polymer Property to Enhance Cell-Selective Adhesion Peer-reviewed

      Rio Kurimoto, Kei Kanie, Naokazu Idota, Mitsuo Hara, Shusaku Nagano, Takehiko Tsukahara, Yuji Narita, Hiroyuki Honda, Masanobu Naito, Mitsuhiro Ebara, Ryuji Kato

      INTERNATIONAL JOURNAL OF POLYMER SCIENCE2016   2016

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:HINDAWI LTD  

      Although surface immobilization of medical devices with bioactive molecules is one of the most widely used strategies to improve biocompatibility, the physicochemical properties of the biomaterials significantly impact the activity of the immobilized molecules. Herein we investigate the combinational effects of cell-selective biomolecules and the hydrophobicity/ hydrophilicity of the polymeric substrate on selective adhesion of endothelial cells (ECs), fibroblasts (FBs), and smooth muscle cells (SMCs). To control the polymeric substrate, biomolecules are immobilized on thermoresponsive poly(N-isopropylacrylamide-co-2-carboxyisopropylacrylamide) (poly(NIPAAm-co-CIPAAm))-grafted glass surfaces. By switching the molecular conformation of the biomolecule-immobilized polymers, the cell-selective adhesion performances are evaluated. In case of RGDS (Arg-Gly-AspSer) peptide-immobilized surfaces, all cell types adhere well regardless of the surface hydrophobicity. On the other hand, a tri-Arg-immobilized surface exhibits FB-selectivity when the surface is hydrophilic. Additionally, a tri-Ile-immobilized surface exhibits EC-selective cell adhesion when the surface is hydrophobic. We believe that the proposed concept, which is used to investigate the biomolecule-immobilized surface combination, is important to produce new biomaterials, which are highly demanded for medical implants and tissue engineering.

      DOI: 10.1155/2016/2090985

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    • Fused pi-conjugated imidazolium liquid crystals: synthesis, self-organization, and fluorescence properties Peer-reviewed

      Koji Takagi, Koji Yamauchi, Seiko Kubota, Shusaku Nagano, Mitsuo Hara, Takahiro Seki, Kazuya Murakami, Yousuke Ooyama, Joji Ohshita, Masaharu Kondo, Hyuma Masu

      RSC ADVANCES6 ( 11 ) 9152 - 9159   2016

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:ROYAL SOC CHEMISTRY  

      Fused pi-conjugated imidazolium compounds bearing two or three long alkoxy chains and various counter anions were systematically prepared following our reported synthetic route. On the basis of DSC measurements and POM observations, the combination of three alkoxy chains longer than the dodecyl group and moderately coordinating anions was important to obtain an enantiotropic mesophase. VT-XRD measurements coupled with a single crystal X-ray structure of a model compound revealed a hexagonal columnar structure supported by ionic interactions. The regularity of the self-organized nanostructure was governed by the alkoxy chain length and the coordinating ability of the counter anion. In the solution state, UV-vis and fluorescence peak maxima were influenced by the number of alkoxy chains and independent of the chain length and anion character. On the contrary, the alkoxy chain length and the coordinating ability of the counter anion had a large impact on the fluorescence spectra in the solid state. A longer wavelength emission at around 560 nm was observed for compounds with the highly regular hexagonal columnar structure. From the result of fluorescence lifetime measurements, the interaction between fused pi-conjugated imidazolium cations was suggested.

      DOI: 10.1039/c5ra25496e

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    • Free Surface Command Layer for Photoswitchable Out-of-Plane Alignment Control in Liquid Crystalline Polymer Films Peer-reviewed

      Takashi Nakai, Daisuke Tanaka, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      LANGMUIR32 ( 3 ) 909 - 914   1 2016

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:AMER CHEMICAL SOC  

      To date, reversible alignment controls of liquid crystalline materials have widely been achieved by photoreactive layers on solid substrates. In contrast, this work demonstrates the reversible out-of-plane photocontrols of liquid crystalline polymer films by using a photoresponsive skin layer existing at the free surface. A polymethacrylate containing a cyanobiphenyl side-chain mesogen adopts the planar orientation. Upon blending a small amount of azobenzene-containing side-chain polymer followed by successive annealing, segregation of the azobenzene polymer at the free surface occurs and induces a planar to homeotropic orientation transition of cyanobiphenyl mesogens underneath. By irradiation with UV light, the mesogen orientation turns into the planar orientation. The orientation reverts to the homeotropic state upon visible light irradiation or thermally, and such cyclic processes can be repeated many times. On the basis of this principle, erasable optical patterning is performed by irradiating UV light through a photomask.

      DOI: 10.1021/acs.langmuir.5b04325

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    • 液晶高分子薄膜の分子配向と自由界面の影響 Invited Peer-reviewed

      永野 修作, 田中 大介

      C & I commun : colloid & interface communication : newsletter from DCSC41 ( 1 ) 21-23 - 23   2016

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      Language:Japanese   Publisher:日本化学会コロイドおよび界面化学部会  

      CiNii Article

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    • Coulomb Blockade in a Two-Dimensional Conductive Polymer Monolayer Peer-reviewed

      M. Akai-Kasaya, Y. Okuaki, S. Nagano, T. Mitani, Y. Kuwahara

      PHYSICAL REVIEW LETTERS115 ( 19 )   11 2015

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:AMER PHYSICAL SOC  

      Electronic transport was investigated in poly(3-hexylthiophene-2,5-diyl) monolayers. At low temperatures, nonlinear behavior was observed in the current-voltage characteristics, and a nonzero threshold voltage appeared that increased with decreasing temperature. The current-voltage characteristics could be best fitted using a power law. These results suggest that the nonlinear conductivity can be explained using a Coulomb blockade (CB) mechanism. A model is proposed in which an isotropic extended charge state exists, as predicted by quantum calculations, and percolative charge transport occurs within an array of small conductive islands. Using quantitatively evaluated capacitance values for the islands, this model was found to be capable of explaining the observed experimental data. It is, therefore, suggested that percolative charge transport based on the CB effect is a significant factor giving rise to nonlinear conductivity in organic materials.

      DOI: 10.1103/PhysRevLett.115.196801

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    • Alternation of Side-Chain Mesogen Orientation Caused by the Backbone Structure in Liquid-Crystalline Polymer Thin Films Peer-reviewed

      Daisuke Tanaka, Yuki Nagashima, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      LANGMUIR31 ( 42 ) 11379 - 11383   10 2015

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:AMER CHEMICAL SOC  

      In side-chain-type liquid-crystalline (LC) polymers, the main chain rigidity significantly affects the LC structure and properties. We show herein a relevant new effect regarding the orientation of side-chain mesogenic groups of LC polymers in a thin-film state. A subtle change in the main chain structure, i.e., polyacrylate and polymethacrylate, leads to a clear alternation of mesogens in the homeotropic and planar modes, respectively. This orientational discrimination is triggered from the free surface region (film air interface) as revealed by surface micropatterning via inkjet printing.

      DOI: 10.1021/acs.langmuir.5b02442

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    • Photoresponsive Surface Wrinkle Morphologies in Liquid Crystalline Polymer Films Peer-reviewed

      Takahiro Takeshima, Wan-yu Liao, Yuki Nagashima, Koichiro Beppu, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      MACROMOLECULES48 ( 18 ) 6378 - 6384   9 2015

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:AMER CHEMICAL SOC  

      Laminated bilayer films comprised of photoresponsive azobenzene-containing liquid crystalline polymer skin layers adhered on a thick elastomeric substrate were prepared, and the wrinkle formation upon uniaxial compression was investigated. Irradiation with UV light at 365 nm led to the disappearance of the wrinkle or reduction of wrinkle wavelength, depending on the content of azobenzene unit in the polymer. Such photoresponsive modulations of wrinkle formation could be well correlated with the photoinduced changes in the Young's modulus determined by indentation-retraction force curve measurements using an AFM cantilever. Additionally, the thickness modulation of the skin layer caused by the photoinduced mass migration can also be applied to modify the wrinkle wavelength. These photoresponsive surface wrinkle modulations are anticipated to offer new possibilities for the surface microfabrication technology.

      DOI: 10.1021/acs.macromol.5b01577

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    • Influence of Molecular Weight on Molecular Ordering and Proton Transport in Organized Sulfonated Polyimide Thin Films Peer-reviewed

      Karthik Krishnan, Hiroko Iwatsuki, Mitsuo Hara, Shusaku Nagano, Yuki Nagao

      JOURNAL OF PHYSICAL CHEMISTRY C119 ( 38 ) 21767 - 21774   9 2015

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:AMER CHEMICAL SOC  

      The effect of molecular ordering and ordered domain size on molecular weight dependent proton conductivity in well-organized sulfonated polyimide (SPI) thin films has been investigated using both low molecular weight (LMw, M-w = 1.3 x 10(4)) and high molecular weight samples (HMw, M-w, = 2.6 x 10(5)). Analyses of the films by grazing incidence small-angle X-ray scattering (GISAXS) revealed that the HMw, SPI film exhibits the higher degree of inherent liquid crystalline-like lamellar ordering, and that it is consistent with a preferential in-plane main chain packing. Such molecular ordering and the in-plane oriented structure can have considerable influence on the proton transport characteristics in thin films. The larger ordered domains in the HMw SPI thin film with a thickness of approximately 500 nm shows the significant proton conductivity enhancement to a value of 2.6 x 10(-1) S/cm (at 25 degrees C and 95% relative humidity), which is more than an order of magnitude higher value than that of the smaller ordered domains in the LMw SPI thin film with less molecular ordering. The larger ordered domains in the HMw, SPI thin film influence the conducting characteristics attributable to the fewer liquid crystalline-like domain boundaries relative to LMw, SPI films because the smaller ordered domains in the LMw, SPI thin film more obviously exhibit large-scaled domain boundaries, which can disrupt the fast ion transportation.

      DOI: 10.1021/acs.jpcc.5b03292

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    • Property-tunable Polymer Platform for Optimizing Cell-adhesive Peptide Function

      R. Kurimoto, K. Kanie, N. Idota, K. Uto, T. Tsukahara, M. Hara, S. Nagano, Y. Narita, H. Honda, M. Naito, R. Kato, M. Ebara

      TISSUE ENGINEERING PART A21   S303 - S303   9 2015

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      Language:English   Publisher:MARY ANN LIEBERT, INC  

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    • Photo-switching Behavior of Microphase Separated Structure in Liquid Crystalline Azobenzene Block Copolymers Possessing Different Poly(alkyl methacrylate) Blocks Peer-reviewed

      Masami Sano, Tomoya Murase, Mitsuo Hara, Shusaku Nagano, Yuya Shinohara, Yoshiyuki Amemiya, Takahiro Seki

      MOLECULAR CRYSTALS AND LIQUID CRYSTALS617 ( 1 ) 5 - 13   8 2015

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      DOI: 10.1080/15421406.2015.1075356

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    • Photoalignment of Liquid Crystalline Polymer Films Containing Mesostructures and a Free Surface Command Layer Peer-reviewed

      Takahiro Seki, Kei Fukuhara, Masami Sano, Mitsuo Hara, Shusaku Nagano

      MOLECULAR CRYSTALS AND LIQUID CRYSTALS614 ( 1 ) 118 - 123   6 2015

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      Investigations on the photoaglinment processes of liquid crystalline materials started around 25years ago, and currently great developments have been made in both academic and industrial areas. However, there remain many issues to be explored in this field. This short review introduces our recent advances regarding the photoalignment and realignment process using azobenzene-containing liquid crystalline polymer materials. Two topics are involved here: the photoalignment of microphase separation structures of block copolymer films, and photoalignment controls from the free surface of a liquid crystalline polymer film.

      DOI: 10.1080/15421406.2015.1050284

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    • High Proton Conductivity in the Molecular Interlayer of a Polymer Nanosheet Multilayer Film Peer-reviewed

      Takuma Sato, Yuta Hayasaka, Masaya Mitsuishi, Tokuji Miyashita, Shusaku Nagano, Jun Matsui

      LANGMUIR31 ( 18 ) 5174 - 5180   5 2015

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      High proton conductivity Was achieved in a polymer multilayer film with a well-defined two dimensional lamella structure The multilayer film was prepared by deposition of poly(N-dodecylacryamide-co- acrylic acid) (p(DDA/AA)) monolayers onto a solid substrate using the Langmuir-Blodgett technique. Grazing-angle incidence X-ray diffraction measurement of a 30 layer film Of,p(DDA/AA) showed strong diffraction peaks in the-out-of-plane direction at 2 theta = 2.26 degrees and 4.50 degrees revealing that the multilayer film had a highly uniform layered structure with a monolayer thickness of 2.0 nm. Tho proton conductivity Of the p(DDA/AA) multilayer film. parallel to the layer plane direction was 0.051 S/cm at 60 degrees C and 98% relative-humidity with a low activation energy of 0.35 eV, which is comparable to perfluorosulfonic acid membranes. The high conductivity and low activation energy resulted from the formation of uniform two-dimensional proton-conductive nanochannels in:the hydrophilic regions of the multilayer film. The proton conductivity of the multilayer film perpendicular to the layer plane was determined to be 2.1 X 10(-13) S/cm. Therefore, the multilayer film showed large anisotropic conductivity with an anisotropic ratio of 2.4 x 10(11).

      DOI: 10.1021/acs.langmuir.5b00036

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    • New Aspects for the Hierarchical Cooperative Motions in Photoalignment Process of Liquid Crystalline Block Copolymer Films Peer-reviewed

      Masami Sano, Mitsuo Hara, Shusaku Nagano, Yuya Shinohara, Yoshiyuki Amemiya, Takahiro Seki

      MACROMOLECULES48 ( 7 ) 2217 - 2223   4 2015

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:AMER CHEMICAL SOC  

      The realignment process of azobenzene-containing liquid crystalline (LC) block copolymer films by irradiation with linearly polarized light (LPL) was investigated in detail by time-resolved grazing incidence X-ray scattering measurements using a synchrotron beam. By using a newly synthesized diblock copolymer possessing a poly(hexyl methacrylate (PHMA) block with a lowered glass transition temperature (T-g = -5 degrees C), intense X-ray scattering signals were obtained, which favorably provided precise and detailed time course profiles and information on the interplay between the hierarchical structures involved along the realignment process. The LC layers were softened and fluctuated at an early stage by LPL irradiation which induced shrinkage of the cylinder to cylinder distance of microphase separation patterns before the alignment change. Interestingly, the ordering process of the MPS cylinder array of larger hierarchical structure proceeded faster than that of the azobenzene LC layer of smaller feature size in the realigned state. Decisive evidence was obtained to support the subdomain rotation mechanism in the realignment process.

      DOI: 10.1021/acs.macromol.5b00299

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    • Photoalignable Radical Initiator for Anisotropic Polymerization in Liquid Crystalline Media Peer-reviewed

      Daichi Yamaoka, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      MACROMOLECULES48 ( 4 ) 908 - 914   2 2015

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:AMER CHEMICAL SOC  

      A rod-shaped azobenzene derivative possessing a 2-benzoyl-2-propanol moiety (Az-PIni) was synthesized. This molecule was highly compatible with calamitic nematic liquid crystal (LC) systems and showed dual photofunctions as a photocommander for the alignment of LCs upon linearly polarized light (LPL) irradiation and a photoinitiator for the radical polymerization in these media. The dual photofunctions were achieved simultaneously by irradiation with 365 nm LPL, or stepwisely with 436 nm LPL for the photoalignment, and successively with 254 nm light for the photoinitiated polymerization. In a nematic LC cell, these combined processes provided a persistent uniform alignment. When a polymerizable LC monomer film was coated on an elastomeric sheet, the anisotropic photopolymerization of the photoaligned monomer initiated by Az-PIni led to a uniformly aligned wrinkle formation via polymerization shrinkage.

      DOI: 10.1021/ma5025279

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    • Alignment Control for Liquid Crystalline Polymer Films by Free-surface Modification Invited Peer-reviewed

        19 ( 1 ) 7-14 - 14   2015

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    • Dynamic photoinduced realignment processes in photoresponsive block copolymer films: effects of the chain length and block copolymer architecture Peer-reviewed

      Masami Sano, Feng Shan, Mitsuo Hara, Shusaku Nagano, Yuya Shinohara, Yoshiyuki Amemiya, Takahiro Seki

      SOFT MATTER11 ( 29 ) 5918 - 5925   2015

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:ROYAL SOC CHEMISTRY  

      A series of block copolymers composed of an amorphous poly(butyl methacrylate) (PBMA) block connected with an azobenzene (Az)-containing liquid crystalline (PAz) block were synthesized by changing the chain length and polymer architecture. With these block copolymer films, the dynamic realignment process of microphase separated (MPS) cylinder arrays of PBMA in the PAz matrix induced by irradiation with linearly polarized light was studied by UV-visible absorption spectroscopy, and time-resolved grazing incidence small angle X-ray scattering (GI-SAXS) measurements using a synchrotron beam. Unexpectedly, the change in the chain length hardly affected the realignment rate. In contrast, the architecture of the AB-type diblock or the ABA-type triblock essentially altered the realignment feature. The strongly cooperative motion with an induction period before realignment was characteristic only for the diblock copolymer series, and the LPL-induced alignment change immediately started for triblock copolymers and the PAz homopolymer. Additionally, a marked acceleration in the photoinduced dynamic motions was unveiled in comparison with a thermal randomization process.

      DOI: 10.1039/c5sm01140j

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    • Influence of Confined Polymer Structure on Proton Transport Property in Sulfonated Polyimide Thin Films Peer-reviewed

      Karthik Krishnan, Tomoaki Yamada, Hiroko Iwatsuki, Mitsuo Hara, Shusaku Nagano, Kazuya Otsubo, Osami Sakata, Akihiko Fujiwara, Hiroshi Kitagawa, Yuki Nagao

      ELECTROCHEMISTRY82 ( 10 ) 865 - 869   10 2014

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:ELECTROCHEMICAL SOC JAPAN  

      The organized structure and proton transport property in sulfonated polyimide (SPI) thin film have been studied, much less is known at the interfacial charge transport during confinement of such materials. The proton conductivity of SPI thin film is correlated well with the highly oriented polymer structures as determined by infrared (IR) p-polarized multiple-angle incidence resolution spectrometry (p-MAIRS) and in situ RH dependent synchrotron grazing incidence X-ray diffraction (GI-XRD). The high proton conductivity of 2.8 x 10(-1)S cm(-1) at 80 degrees C and 90% RH was achieved in the highly oriented SPI thin film. In contrast, the bulk SPI showed the drop of conductivity value at high relative humidity region, which is due to the significant structural disorder accompanied by the strong interaction between the sulfonic acid side chains and water molecules. (C) The Electrochemical Society of Japan, All rights reserved.

      DOI: 10.5796/electrochemistry.82.865

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    • Pathways toward Photoinduced Alignment Switching in Liquid Crystalline Block Copolymer Films Peer-reviewed

      Masami Sano, Shiyuko Nakamura, Mitsuo Hara, Shusaku Nagano, Yuya Shinohara, Yoshiyuki Amemiya, Takahiro Seki

      MACROMOLECULES47 ( 20 ) 7178 - 7186   10 2014

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      The pathways toward linearly polarized light (LPL)-induced alignment switching in a diblock copolymer film composed of liquid crystalline (LC) azobenzene (Az) and amorphous poly(butyl methacrylate) (PBMA) blocks were studied in detail using polarized UVvis absorption spectroscopy, grazing incidence small-angle X-ray scattering measurements, and polarized optical microscopy and transmission electron microscopy observations. The hierarchical structures of microphase-separated cylinders of PBMA in a smectic LC Az layer matrix were prealigned by LPL and then irradiated by orthogonal LPL, which resulted in alignment switching to the orthogonal direction. In this process, the large prealigned domains were divided into substantially smaller domains at the submicrometer level, and then the structures were realigned in the orthogonal direction in a strongly cooperative manner, most likely through the domain rotation mechanism. The alignment change consisted of three stages: (i) fluctuations in the smectic layer of LC Az side chains in the initial state and breaking up of smaller grains to the submicrometer level before the orientation change (induction period), (ii) actual rotation of the divided domains driven by the photoinduced reorientation of Az mesogens (action period), and (iii) slower fusion and growth of smaller domains in the orthogonally realigned direction (postgrowth period). New aspects of dynamic self-assembly behavior in which different hierarchical structures are involved are proposed.

      DOI: 10.1021/ma501803g

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    • Macroscopic Alignment of Cylinders via Directional Coalescence of Spheres along Annealing Solvent Permeation Directions in Block Copolymer Thick Films Peer-reviewed

      Guanghui Cui, Masamichi Fujikawa, Shusaku Nagano, Keisuke Shimokita, Tsukasa Miyazaki, Shinichi Sakurai, Katsuhiro Yamamoto

      MACROMOLECULES47 ( 17 ) 5989 - 5999   9 2014

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      We reported the long-range perpendicular and horizontal orientation of polystyrene cylinders in polystyrene-b-poly(methyl acrylate) (PS-b-PMA) films with thickness scale from hundreds micrometers to millimeters. Dissolving block copolymer (BCP) in selective solvents forms PS micelles in solution, which could be trapped in films after ordinary solvent casting. Controllable alignment of perpendicular and horizontal cylinders from the directional coalescences of PS spheres along permeation directions of annealing solvent into the film was achieved, i.e., solvent permeating from surface of film led to perpendicular PS cylinders while from edge resulted in horizontal cylinders. Polarizing optical micrographs and mu-beam SAXS confirmed the directional coalescences mechanism during the orientation process and that the cylindrical structure was achieved throughout a macroscopic scale. Solvent components influenced the orientation behavior, and the mixed solvents containing 2540% (volume fraction) methanol were favorable to form highly oriented cylinders.

      DOI: 10.1021/ma501033a

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    • Free Surface-Induced Planar Orientation in Liquid Crystalline Block Copolymer Films: On the Design of Additive Surface Active Polymer Layer Peer-reviewed

      Kei Fukuhara, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      MOLECULAR CRYSTALS AND LIQUID CRYSTALS601 ( 1 ) 11 - 19   9 2014

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:TAYLOR & FRANCIS LTD  

      We recently demonstrated that addition of a surface active polymer (SAP) that segregates on the free (air) surface in liquid crystalline (LC) block copolymer films crucially alters the orientation of the mesogens and microphase separation domains. A block copolymer of poly(butyl methacrylate) (PBMA) combined with an azobenzene LC polymer has been blended as SAP in a polystyrene-based LC block copolymer films possessing similar structure. The present work reveals that the polymer design, the blend ratio, and molecular weight of the surface active polymer significantly affect the orientational alternation for the block copolymer film. The orientational alternation effect by the free surface segregation becomes significantly efficient when SAPs with higher molecular weight is employed.

      DOI: 10.1080/15421406.2014.940487

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    • High Contrast Fluorescence Patterning in Cyanostilbene-Based Crystalline Thin Films: Crystallization-Induced Mass Flow Via a Photo-Triggered Phase Transition Peer-reviewed

      Jin Wook Park, Shusaku Nagano, Seong-Jun Yoon, Tomoki Dohi, Jangwon Seo, Takahiro Seki, Soo Young Park

      ADVANCED MATERIALS26 ( 9 ) 1354 - 1359   3 2014

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:WILEY-V C H VERLAG GMBH  

      A facile and innovative method for the fabrication of highly fluorescent micro-patterns is presented, which operates on the principle of phototriggered phase transition and physical mass migration in the crystalline film of a cyanostilbene-type aggregation-induced enhanced emission (AIEE) molecule ((Z)-2,3-bis(3,4,5-tris( dodecyloxy) phenyl) acrylonitrile) with liquid-crystalline (LC) mesomorphic behavior.

      DOI: 10.1002/adma.201304250

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    • Perpendicular oriented cylinders via directional coalescence of spheres embedded in block copolymer films induced by solvent annealing Peer-reviewed

      Guanghui Cui, Masamichi Fujikawa, Shusaku Nagano, Masami Sano, Hiroshi Takase, Tsukasa Miyazaki, Shinichi Sakurai, Katsuhiro Yamamoto

      POLYMER55 ( 6 ) 1601 - 1608   3 2014

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:ELSEVIER SCI LTD  

      Polystyrene-b-poly(methyl acrylate) (PS-b-PMA) block copolymer with PS volume fraction of 25.2 vol% was synthesized by atom transfer radical polymerization. Non-pretreated silicon wafers were used as the substrates to prepare perpendicular oriented PS cylinders in PMA matrix via solvent annealing which could induce the transformation of spheres to vertically oriented and hexagonally packed cylinders. The spherical microdomains were formed after the evaporation of solvents from the solutions of the block copolymer in selective solvents mixed from methanol, acetone and dichloromethane. The thickness of films could be as thick as 1000 nm, which were much thicker than usual cases and the cylinders came from the directional coalescence of the spheres, thus any pre-treatments of the substrates were not required for perpendicular orientation. The structures were characterized by small angle X-ray scattering (SAXS), transmission electron microscope (TEM), atom force microscopy (AFM) and grazing incidence small angle X-ray scattering (GISAXS). (c) 2014 Elsevier Ltd. All rights reserved.

      DOI: 10.1016/j.polymer.2014.01.060

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    • Free-surface molecular command systems for photoalignment of liquid crystalline materials Peer-reviewed

      Kei Fukuhara, Shusaku Nagano, Mitsuo Hara, Takahiro Seki

      NATURE COMMUNICATIONS5   3320   2 2014

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:NATURE PUBLISHING GROUP  

      The orientation of liquid crystal molecules is very sensitive towards contacting surfaces, and this phenomenon is critical during the fabrication of liquid crystal display panels, as well as optical and memory devices. To date, research has focused on designing and modifying solid surfaces. Here we report an approach to control the orientation of liquid crystals from the free (air) surface side: a skin layer at the free surface was prepared using a non-photoresponsive liquid crystalline polymer film by surface segregation or inkjet printing an azobenzene-containing liquid crystalline block copolymer. Both planar-planar and homoeotropic-planar mode patterns were readily generated. This strategy is applicable to various substrate systems, including inorganic substrates and flexible polymer films. These versatile processes require no modification of the substrate surface and are therefore expected to provide new opportunities for the fabrication of optical and mechanical devices based on liquid crystal alignment.

      DOI: 10.1038/ncomms4320

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    • Proton conductivity enhancement in oriented, sulfonated polyimide thin films Peer-reviewed

      Karthik Krishnan, Hiroko Iwatsuki, Mitsuo Hara, Shusaku Nagano, Yuki Nagao

      JOURNAL OF MATERIALS CHEMISTRY A2 ( 19 ) 6895 - 6903   2014

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:ROYAL SOC CHEMISTRY  

      Studies of proton transport in confined thin polymer electrolytes are essential for providing additional information regarding the structure-property relationships of such materials. Using a combination of proton transport measurements and structural characterization, we explored the effect of proton conductivity in sulfonated polyimide (SPI) under both bulk and nanostructured thin film systems. A SPI film confined to a thickness of approximately 530 nm shows significant proton conductivity enhancement to a value of 2.6 x 10(-1) S cm(-1) (95% RH at 298 K), which is almost one order of magnitude more proton conductive than the bulk system (3.0 x 10(-2) S cm(-1) at 90% RH and 298 K). In thin films, the preferred chain packing along the in-plane direction can have considerable influence on the charge transport characteristics, which leads to the enhanced proton conductivity. Infrared (IR) p-polarized multiple-angle incidence resolution spectrometry (p-MAIRS) and in situ grazing-incidence small-angle X-ray scattering (GISAXS) were used to investigate the direction of polymer orientation and the changes in the internal polymeric structure under various humidity conditions, respectively. Under high-humidity conditions, the strong interaction between the side-chain sulfonic acid groups and water molecules causes an abrupt change in the internal structure in bulk SPI. Such a structural rearrangement results in a liquid-crystal-like ordered polymer structure. The RH dependent FTIR-ATR studies reveal that the accumulation of a large fraction of water molecules with stronger hydrogen bonding at high humidity regions causes the huge deviation in the internal morphology of the bulk samples.

      DOI: 10.1039/c4ta00579a

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    • Solvent Annealing Induced Perpendicular Orientation of Microdomains in Block Copolymer Thin Films Peer-reviewed

      Katsuhiro Yamamoto, Koji Ohara, Guanghui Cui, Ryo Tanaka, Daiki Shimada, Shusaku Nagano, Masami Sano, Shinichi Sakurai, Keisuke Shimokita, Tsukasa Miyazaki

      KOBUNSHI RONBUNSHU71 ( 3 ) 104 - 111   2014

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      Language:Japanese   Publishing type:Research paper (scientific journal)   Publisher:SOC POLYMER SCIENCE JAPAN  

      The orientation of cylindrical and lamellar micro-phase separated structures of some block copolymers (BCP) in thin films was investigated by grazing incident small-angle X-ray scattering and atomic force microscopy. The thin films were made from solution using selective solvents for the major component of the BCP. The spherical structure was arrested initially in the film with a thickness of 500 nm(-1) mu m. Solvent annealing, using common solvents, induced a morphology transition from spherical to a vertically oriented cylindrical (lamellar) structure. A neutral solvent for both components in the BCP was found to be effective for the perpendicular orientation of the micro-domains. (C) 2014, The Society of Polymer Science, Japan

      DOI: 10.1295/koron.71.104

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    • Individual photoreorientation of non-aggregated and aggregated azobenzene side chains tethered to a liquid-crystalline polymer determined by higher order derivative spectra Peer-reviewed

      Kunihiro Ichimura, Shusaku Nagano

      RSC ADVANCES4 ( 94 ) 52379 - 52383   2014

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      Higher order derivative spectra were applied to UV-VIS spectral changes of a liquid-crystalline polymer with azobenzene side chains exposed to linearly polarised 436 nm light at an elevated temperature to reveal the participation of non-aggregated as well as two types of aggregated species in in-plane as well as out-of-plane photoreorientation individually.

      DOI: 10.1039/c4ra10151k

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    • Isotropic charge transport in highly ordered regioregular poly(3-hexylthiophene) monolayer Peer-reviewed

      M. Akai-Kasaya, Y. Okuaki, S. Nagano, A. Saito, M. Aono, Y. Kuwahara

      JOURNAL OF PHYSICS D-APPLIED PHYSICS46 ( 42 ) 425303   10 2013

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      Charge transport anisotropy in pi-stacked poly(3-hexylthiophene-2,5-diyl) (P3HT) monolayers was investigated. The monolayers were prepared using a Langmuir-Blodgett technique and were uniaxial but homogeneous two-dimensional sheets. Nanoscale electrical measurements were carried out using metal electrodes with a submicrometre gap between them in order to exclude breaches that occasionally occur along the chains. A remarkable degree of isotropy in both the conductivity and mobility was found. The conductivity isotropy implies that charge transport is dominated by fatal defects in polymers arising at structural and electrical discontinuities, even in the absence of large morphological defects. It was found that the mobility along the pi-stacking direction can exceed that along the polymer chain in monolayers with good crystallinity. This high mobility along the pi-stacking direction is thought to be an inherent charge transport characteristic that has so far been obscured in solid state conjugated polymers with complex microstructures.

      DOI: 10.1088/0022-3727/46/42/425303

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    • Versatility of photoalignment techniques: From nematics to a wide range of functional materials Peer-reviewed

      Takahiro Seki, Shusaku Nagano, Mitsuo Hara

      POLYMER54 ( 22 ) 6053 - 6072   10 2013

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      Alignment methods of nematic liquid crystals (LCs) by surface photoreactions on substrate surfaces were initially proposed around 1990, and the photoalignment technology of nematic LCs has recently been integrated into the LC device fabrication industry due to its profitable features. Accumulated efforts in this field have revealed that applications of photoalignment processes are not limited to conventional nematic LCs but that a variety of functional materials can also be manipulated according to this principle. Target materials have now been extended to thermotropic smectic LCs, discotic LCs, LC polymers, block copolymers, gel networks, conjugated polymers, and organic semiconductors and lyotropic systems including chromonic LCs and inorganic organic mesostructured hybrids. Through these photochemical approaches, many types of photopatterning for both topographical and orientational modulations have become feasible. This article reviews photoalignment processes applied to a wide range of materials, surveying relatively recent work. Some important related alignment and patterning processes are also introduced to clarify the significance of these photoalignment techniques. (C) 2013 Elsevier Ltd. All rights reserved.

      DOI: 10.1016/j.polymer.2013.08.058

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    • Perpendicular orientation of sub-10 nm channels in polystyrene-b-poly(4-hydroxyl styrene)/PEG oligomer blend thin films Peer-reviewed

      Guanghui Cui, Satoshi Ohya, Taito Matsutani, Shusaku Nagano, Tomoki Dohi, Shiyuko Nakamura, Shinichi Sakurai, Tsukasa Miyazaki, Katsuhiro Yamamoto

      Nanoscale5 ( 15 ) 6713 - 6719   11 7 2013

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      Vertically oriented cylinders via the directional coalescence of the spheres embedded in the blend thin films from polystyrene-b-poly(4-hydroxyl styrene) (PS-b-PHS) and PEG induced by solvent annealing were achieved. Removal of PEG water led to the formation of nanochannels throughout the films. The diameter of these channels could be as small as 9 nm which might enhance the applicability of the nano-porous films as size-selective membranes and controllable drug delivery systems for the objects less than 10 nm. © 2013 The Royal Society of Chemistry.

      DOI: 10.1039/c3nr01491f

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    • High-Density Liquid-Crystalline Azobenzene Polymer Brush Attained by Surface-Initiated Ring-Opening Metathesis Polymerization Peer-reviewed

      Hafiz Ashraful Haque, Soutarou Kakehi, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      LANGMUIR29 ( 25 ) 7571 - 7575   6 2013

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:AMER CHEMICAL SOC  

      High-density polynorbornene azobenzene liquid-crystalline brushes are synthesized on quartz substrates by surface-initiated ring-opening metathesis polymerization (SI-ROMP) using Grubbs third-generation catalyst. The grafting process is controlled over the thickness of the brush from a solid-supported substrate in a stoichiometric manner. A highly ordered liquid-crystal arrangement was formed for such brushes as revealed by spectroscopic measurements and grazing angle X-ray diffraction analysis. Marked features of this method in the structure and photoalignment behavior are unveiled by comparison with brushes made by surface-initiated atom-transfer radical polymerization (SI-ATRP).

      DOI: 10.1021/la4002847

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    • Role of the free interface on the photoalignment in liquid crystalline polymer films

        51 ( 2 ) 78 - 88   2 2013

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    • Photoinduced in-plane motions of azobenzene mesogens affected by the flexibility of underlying amorphous chains Peer-reviewed

      Hafiz Ashraful Haque, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      Macromolecules46 ( 20 ) 8275 - 8283   2013

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      Photoinduced in-plane motions are explored for a series of surface-grafted diblock copolymers comprising of an amorphous chain block and a liquid crystalline (LC) azobenzene (Az) side chain polymer block. In this architecture, amorphous polymers with different glass transition temperature (Tg) and the LC Az polymer are stepwisely grafted on substrate surfaces by the surface initiated atom transfer radical polymerization. Amorphous polymers employed are poly(hexyl methacrylate) (PHMA), poly(butyl methacrylate) (PBMA), and poly(methyl methacrylate) (PMMA) with Tg of -20, +27, and +110 C, respectively. The extent of photoinduced in-plane anisotropy of the LC Az layer by linearly polarized light irradiation at optimal temperatures are in the order of PHMA &gt
      PBMA &gt
      PMMA which coincides with that of lowering T g. Thus, the photoinduced motions of the LC Az blocks are coupled with the dynamic nature of the underlying amorphous chain anchored to the substrate. The structural information obtained by the grazing incidence angle X-ray diffraction measurements further shows the important role of the amorphous polymer layer in the ordering and photoalignment of LC mesogens on the top. © 2013 American Chemical Society.

      DOI: 10.1021/ma401536r

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    • Spontaneous Formation of Vertically Aligned Lamellae in Thin Films of Block Copolymer-Silica Hybrid Material Peer-reviewed

      Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      Bull. Chem. Soc. Jpn86 ( 10 ) 1151-1157   2013

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    • Effect of Flexible Chain Length on the Photoorientation Behavior of Surface-Grafted Liquid Crystalline Azobenzene Block Copolymer Brush Peer-reviewed

      Hafiz Ashraful Haque, Shusaku Nagano, Takahiro Seki

      MOLECULAR CRYSTALS AND LIQUID CRYSTALS583 ( 1 ) 10 - 20   1 2013

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:TAYLOR & FRANCIS LTD  

      A liquid crystalline (LC) azobenzene homopolymer brush film of poly[4-(10-methacryloxydecyloxy)-4-pentylazobenzene] (P5Az10MA), and two diblock copolymer brushes consisting of the same LC azobenzene (Az) block connected with poly(hexyl methacrylate) block (PHMA-b-P5Az10MA) have been synthesized on initiator-immobilized quartz surfaces by atom transfer radical polymerization. In the diblock polymer brushes, the length of PHMA blocks tethering to the substrate surface were changed (26nm and 51nm). The orientation and structural features of the liquid crystalline block, containing an Az mesogenic group of the polymer brushes were evaluated by UV-vis spectroscopy and grazing incident X-ray diffraction measurements. Upon irradiation with 436nm linearly polarized light (LPL), the levels of photoinduced in-plane anisotropy and reorienting behavior among the brushes showed significant differences as a result of degree of freedom of the flexible buffer chain spacers.

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    • Liquid-Crystalline Polymer and Block Copolymer Domain Alignment Controlled by Free-Surface Segregation Peer-reviewed

      Kei Fukuhara, Yasuyoshi Fujii, Yuki Nagashima, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      ANGEWANDTE CHEMIE-INTERNATIONAL EDITION52 ( 23 ) 5988 - 5991   2013

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:WILEY-V C H VERLAG GMBH  

      DOI: 10.1002/anie.201300560

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    • Lubricant Effect of Flexible Chain in the Photoinduced Motions of Surface-Grafted Liquid Crystalline Azobenzene Polymer Brush Peer-reviewed

      Hafiz Ashraful Haque, Shusaku Nagano, Takahiro Seki

      MACROMOLECULES45 ( 15 ) 6095 - 6103   8 2012

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:AMER CHEMICAL SOC  

      Poly(hexyl methacrylate)-block-poly[4-(10-methacryloxydecyloxy)-4'-pentylazobenzene] (PHMA-b-P5Az10MA) diblock copolymer brush was stepwisely synthesized on an initiator-immobilized quartz surface by atom transfer radical polymerization. In this chain design, a flexible PHMA chain was connected between a liquid crystalline (LC) azobenzene (Az) block and a solid substrate. The orientation and structural features of the smectic layer spacing of the azobenzene (Az) block at the outer surface were essentially the same as those of P5Az10MA homopolymer brush. Upon irradiation of 436 nm linearly polarized light (LPL) at a temperature of liquid crystalline (LC) state of the Az polymer, the block copolymer brush exhibited a significant improvement in the induction of in-plane optical anisotropy compared to a corresponding homopolymer brush as revealed by UV-vis spectroscopy and grazing angle incidence X-ray diffraction measurements. The temperature dependence of the optical and structural anisotropy and photoreorientation behavior unveiled a significant lubricant role of the flexible chain block for the improvement of photoresponsive motions. This work proposes an idea to decouple the photoinduced motions of the upper photoresponsive block from the restriction by the substrate through introduction of a "buffer spacer" chain.

      DOI: 10.1021/ma300843x

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    • Phototriggered Mass Migration Consorted with Surface Dewetting in Thin Films of a Liquid Crystalline Azobenzene-containing Dendrimer Peer-reviewed

      Wenhan Li, Tomoki Dohi, Mitsuo Hara, Shusaku Nagano, Osamu Haba, Koichiro Yonetake, Takahiro Seki

      MACROMOLECULES45 ( 16 ) 6618 - 6627   8 2012

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      A dendritic molecule of poly(propylene imine) whose periphery is modified with photoresponsive mesogenic azobenzene units was synthesized. This compound exhibited highly ordered smectic B or smectic A layer structure orienting parallel to the substrate in the film state. When this film of 90 nm thickness on a hydrophilic substrate was exposed to UV (365 nm) light, the initial flat film morphology started to form holes followed by a drastic transformation to form separated dome structure of micrometer levels. Upon continuous UV light irradiation, the domain height increased and reached to a level of ca. 8-fold higher than that of the initial thickness, which can be correlated with the disordering of layer structures as revealed by grazing angle incidence X-ray diffraction measurements. This phototriggered dewetting behavior depended on the film thickness. The thinner film resulted in local migrations to form the smaller and more homogeneous domes. The dewetting was observed below a threshold thickness of 100 nm. By UV light irradiation through a photomask, phototriggered migration at micrometer distances also occurred. By the combination of phototriggered migration and concerted dewetting, characteristic hierarchical morphologies were formed, depending on the initial film thickness. This work proposes a new possibility to control and design the dewetting processes of thin films using the dendritic material.

      DOI: 10.1021/ma301170x

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    • A versatile photochemical procedure to introduce a photoreactive molecular layer onto a polyimide film for liquid crystal alignment

      Akira Sasaki, Hozumi Aoshima, Shusaku Nagano, Takahiro Seki

      POLYMER JOURNAL44 ( 6 ) 639 - 645   6 2012

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:NATURE PUBLISHING GROUP  

      A polyimide film containing a cholesteryl moiety spin-coated on a solid substrate is treated with vacuum ultraviolet light from a Xe-2(*) excimer lamp at 20 Pa. This procedure generates oxidized chemically functional groups, such as hydroxyl groups, selectively on the top-most surface without changing the nature of the bulk polymer. Onto the chemically functionalized surface, photofunctional units such as azobenzene and cinnamate units are attached at a monolayer or sub-monolayer level. When nematic liquid crystal (LC) cells are fabricated, such photoresponsive surfaces work as effective 'command surfaces' for photoswitching the zenithal LC orientation and photoaligment layers to achieve the homogeneous azimuthal orientation applicable for vertical alignment mode LC devices. The proposed photochemical treatment provides a simple but versatile alternative process for the preparation of surface molecular films comparable to self-assembled monolayers or Langmuir-Blodgett films. Polymer Journal (2012) 44, 639-645; doi:10.1038/pj.2012.45; published online 28 March 2012

      DOI: 10.1038/pj.2012.45

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    • Charge Transport Anisotropy due to Interfacial Molecular Orientation in Polymeric Transistors with Controlled In-Plane Chain Orientation

      Shun-ichiro Watanabe, Hisaaki Tanaka, Shin-ichi Kuroda, Akio Toda, Haruki Tomikawa, Shusaku Nagano, Takahiro Seki

      APPLIED PHYSICS EXPRESS5 ( 2 ) 021602-021604   2 2012

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:JAPAN SOC APPLIED PHYSICS  

      We report charge transport anisotropy of ultrathin-film transistors of poly[2-methoxy-5-(2'-ethylhexyloxy)-1,4-phenylenevinylene] (MEH-PPV) with controlled in-plane chain orientation prepared by a modified Langmuir-Blodgett method. The field-effect mobility of a five-monolayer transistor reached 3.0 x 10(-4) cm(2) V-1 s(-1) with a large anisotropy ratio of about 7.5 between parallel and perpendicular chain orientations. This is in sharp contrast to a nearly two-dimensional mobility anisotropy of the previously reported ultrathin poly(3-hexylthiophene) transistors having a pi-overlapped lamellar structure. The quasi-one-dimensional anisotropy of the present device is ascribed to a weak pi-pi stacking structure due to a flat-on-like orientation of MEH-PPV confirmed by atomic force microscopy. (C) 2012 The Japan Society of Applied Physics

      DOI: 10.1143/APEX.5.021602

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    • Photoinduced volume transition in liquid crystalline polymer gels swollen by a nematic solvent Peer-reviewed

      Yuki Hayata, Shusaku Nagano, Yukikazu Takeoka, Takahiro Seki

      ACS Macro Letters1 ( 11 ) 1357 - 1361   2012

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      Nematic liquid crystalline (LC) cross-linked polymer gel sheets containing 3 mol % azobenzene (Az) unit were prepared and swollen by a nematic solvent of 4′-pentyl-4-cyanobiphenyl (5CB). This 5CB-swollen gel sheet exhibited a discontinuous volume change around the nematic-isotoropic phase transition temperature of the LC gel (T NI G). UV irradiation at a temperature slightly lower than T NI G provoked a large volume transition (expansion) due to a loss of nematic order within the gel sheet caused by the trans-to-cis photoisomerization of Az. The volume was reverted by irradiation with 436 nm light. By templating the colloidal crystal film of monodispersed silica particles, a LC gel sheet possessing a microporous structure was also prepared. Due to the facilitated diffusion of 5CB, the microporous LC gel exhibited significant enhancements in the extent and rate of the photoinduced volume transition. © 2012 American Chemical Society.

      DOI: 10.1021/mz300447j

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    • Synergy Effect on Morphology Switching: Real-Time Observation of Photo-Orientation of Microphase Separation in a Block Copolymer

      Shusaku Nagano, Yusuke Koizuka, Tomoya Murase, Masami Sano, Yuya Shinohara, Yoshiyuki Amemiya, Takahiro Seki

      ANGEWANDTE CHEMIE-INTERNATIONAL EDITION51 ( 24 ) 5884 - 5888   2012

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:WILEY-V C H VERLAG GMBH  

      DOI: 10.1002/anie.201201346

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    • Photoinduced Dewetting in Thin Films of Liquid Crystalline Dendritic Azobenzene Derivatives Peer-reviewed

      Wenhan Li, Shusaku Nagano, Koichiro Yonetake, Takahiro Seki

      MOLECULAR CRYSTALS AND LIQUID CRYSTALS563   112 - 120   2012

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:TAYLOR & FRANCIS LTD  

      We report in this paper photoinduced-dewetting phenomena observed for thin films (thickness &lt; 100 nm) of a series of dendritic liquid crystalline materials with different spacer length (carbon number changing from n = 6 to 12) at their azobenzene units in the periphery. Spincast films of these dendrimers were prepared and exposed to UV light (365 nm) at various photon doses at room temperature. Atomic force microscopic observations of the dewetting forming process were performed step by step with increasing the UV illumination time for the dendrimer with the shortest spacer (n = 6). We observed how the dewetting bumps appeared from an initially flat spincast film and finally reached ca. eightfold of the initial film thickness. The dendrimer with n = 8 exhibited dewetting but the mass migration distance was significantly limited than that of n = 6. Dendrimers with longer spacer lengths (n = 10 and 12) did not exhibit dewetting behavior in the same conditions. These differences were discussed in terms of thermophysical properties of the materials.

      DOI: 10.1080/15421406.2012.689144

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    • Synthesis and Isomerization of Conjugated Oligomers Containing Azoimidazole Unit Peer-reviewed

      Koji Takagi, Takato Isomura, Yohei Ito, Masanori Sakaida, Shusaku Nagano, Takahiro Seki

      JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY49 ( 23 ) 4993 - 5000   12 2011

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:WILEY-BLACKWELL  

      The Suzuki (for O1-O3) and Stille (for O4) coupling polymerization of 2-(phenylazo)imidazole bearing the benzyl protecting group at the 1-position gave conjugated oligomers. The transformation from the neutral imidazole in the conjugated oligomer O2, consisted of the alternating 2,5-didecyl-1,4-phenylene unit, to the cationic imidazolium salt O2S was performed. Depending on the chemical structure of coupling partners, the absorption maximum of conjugated oligomers showed red shift or blue shift from that of the model compound M with the benzene ring at the 4,5-positions. The absorption maximum wavelength of the cationic conjugated oligomer O2S showed a blue shift from that of the neutral conjugated oligomer O2. The trans-to-cis photoisomerization of the azoimidazole unit in conjugated oligomers was observed by irradiating the light at 436 nm, and the conversion degree to the cis structure had a rough correlation with the maximum absorption wavelength of materials. The trans-to-cis photoisomerization in the film state was sluggish. On the other hand, the cis-to-trans thermal isomerization of the azoimidazole unit was confirmed and the absorbance returned to the initial state before the photoisomerization. The trans-to-cis photoisomerization of the cationic conjugated oligomer O2S required large energy, and the prolonged light irradiation might decompose the azoimidazole unit. (C) 2011 Wiley Periodicals, Inc. J Polym Sci Part A: Polym Chem 49: 4993-5000, 2011

      DOI: 10.1002/pola.24958

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    • Controlling Structure and Orientation of Polymer Films at Interfaces

      SEKI Takahiro, NAGANO Shusaku

        60 ( 9 ) 665 - 668   1 9 2011

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    • "Inversed" Surface Micelle Array Fabrication of an Amphiphilic Block Copolymer on Water Surface Peer-reviewed

      Shusaku Nagano, Tetsuya Kinumatsu, Yuki Ohnuma, Takahiro Seki

      JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY11 ( 4 ) 2973 - 2978   4 2011

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:AMER SCIENTIFIC PUBLISHERS  

      A mixed film of polystyrene-block-poly(4-vinylpyridine) (PS-b-P4VP) with 6-(4-[(4-hexylphenyl)azo]phenoxy}hexanoic acid (6Az5COOH) were prepared on water by co-spreading method. The resulting films were transferred onto mica at various surface pressures. Atomic force microscopy (AFM) and pi-A isotherm measurements revealed that both PS and p4VP blocks in PS-b-P4VP forms spread monolayer on water with the assist of 6Az5COOH at low surface pressures. Upon compression on water, we observed that the P4VP/6Az5COOH parts in the hybrid film are collapsed selectively at an early stage and form dot array morphology. In addition, gold cluster dots were deposited selectively on the dots in the dot array film by metallization based on deposition of HAuCl4 to the P4VP chain and reduction with dimethylamino borane. These results strongly support the fact that the "inversed" surface micelles are formed on water via hybridization of PS-b-P4VP with 6Az5COOH.

      DOI: 10.1166/jnn.2011.3896

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    • ミクロ相分離構造の光配向制御 Invited Peer-reviewed

      永野修作, 関隆広

      液晶15 ( 4 ) 288   2011

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    • Solid-state photoelectron transfer in powdery nanocomposites comprised of a sensitiser, photoacid generators and silica nanoparticles Peer-reviewed

      Kunihiro Ichimura, Shinji Horie, Shusaku Nagano

      PHYSICAL CHEMISTRY CHEMICAL PHYSICS13 ( 13 ) 5974 - 5980   2011

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:ROYAL SOC CHEMISTRY  

      The dry beads milling of a mixture of 9,10-dipropoxyanthracene (DPA) as an electron donor and surface-modified silica nanoparticles was conducted in the absence or in the presence of a photoacid generator (PAG) as an electron acceptor to give powdery nanocomposites. Fluorescence measurements indicated no mechanochemical change in the crystal structure of DPA after the nanohybridisation. The co-milling with PAG resulted in solid-state fluorescence quenching, whereas quenching efficiency was considerably dependent on the nature of PAG. The solid-state sensitised photoacid generation through the electron transfer was demonstrated by the solid-state photocolouration of leuco-dye of crystal violet lactone.

      DOI: 10.1039/c0cp00034e

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    • Light-Directed Anisotropic Reorientation of Mesopatterns in Block Copolymer Monolayers Peer-reviewed

      Kenji Aoki, Takafumi Iwata, Shusaku Nagano, Takahiro Seki

      MACROMOLECULAR CHEMISTRY AND PHYSICS211 ( 23 ) 2484 - 2489   12 2010

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:WILEY-V C H VERLAG GMBH  

      Photoreorientation of a stripe pattern consisting of an MPS structure in a Langmuir-Blodgett monolayer by irradiation with linearly polarized light is achieved for the first time using a PDMS/poly(methacrylate) diblock copolymer with a liquid crystalline azobenzene-containing side chain. The stripe MPS pattern in the trans azobenzene state is diminished by photoisomerization to the cis form upon UV light irradiation. By the erasure of the MPS structure, the anisotropic photo-oriented stripe pattern is generated upon irradiation with linearly polarized visible light, the orientation of the stripe pattern being orthogonal to the electric vector of the light.

      DOI: 10.1002/macp.201000474

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    • pi-pi Interaction-Induced Vertical Alignment of Silica Mesochannels Templated by a Discotic Lyotropic Liquid Crystal Peer-reviewed

      Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      JOURNAL OF THE AMERICAN CHEMICAL SOCIETY132 ( 39 ) 13654 - 13656   10 2010

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:AMER CHEMICAL SOC  

      The development of vertically aligned mesochannels in organic/inorganic hybrid films is in high demand and a challenging issue. However, there are no clear guiding principles to attain the surface-mediated vertical alignment. This work proposes the first clear versatile strategy to achieve the vertical alignment by utilizing the pi-pi interaction between the organic template molecule of a planar discotic liquid crystalline and 2D a-plane of graphite. The crucial role of the pi-pi interaction can be verified by the exploration with other substrates such as silicon wafer surfaces with varied surface energy (water contact angle: 5 degrees-105 degrees), quartz plates, and polymer films, which provided common parallel alignment with respect to the substrate plane.

      DOI: 10.1021/ja106220J

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    • Phototriggered Mass Migrating Motions in Liquid Crystalline Azobenzene Polymer Films with Systematically Varied Thermal Properties Peer-reviewed

      Jun Isayama, Shusaku Nagano, Takahiro Seki

      MACROMOLECULES43 ( 9 ) 4105 - 4112   5 2010

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      A family of homopolymers and random copolymers consisting of an azobenzene (Az)-containing methacrylate and hexyl acrylate were synthesized varying the copolymerization ratio. With increasing the content of hexyl acrylate, the temperature range of the liquid crystalline (LC) state was monotonously lowered. These polymer films were subjected to an exposure to the patterned irradiation to evaluate the mass transport behavior. This approach revealed that the efficient mass migration is strongly coupled with the thermal properties. Under the optimized conditions, two types of irradiation procedures were adopted: (i) two-step irradiation involving the UV (365 nm) light illumination and subsequent patterned visible light (488 nm of argon ion laser or 436 nm Hg line) and (ii) one-step patterned irradiation with UV light. After the irradiation with a photomak, the former method caused the mass transfer from the illuminated regions to shaded ones, whereas the latter led to the migration in the inversed direction. In both procedures, the migration consistently proceeded at the boundaries from the smectic A phase regions to the isotropic ones in the photochemically generated phase patterns. More general guidelines are proposed to exert the efficient mass transport in the LC Az polymers by adjusting the polymer design and temperature.

      DOI: 10.1021/ma100328e

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    • Electron spin resonance observation of field-induced charge carriers in ultrathin-film transistors of regioregular poly(3-hexylthiophene) with controlled in-plane chain orientation Peer-reviewed

      Shun-ichiro Watanabe, Hisaaki Tanaka, Shin-ichi Kuroda, Akio Toda, Shusaku Nagano, Takahiro Seki, Atsushi Kimoto, Jiro Abe

      APPLIED PHYSICS LETTERS96 ( 17 ) 173302-173302   4 2010

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:AMER INST PHYSICS  

      Ultrathin-film polymeric transistors with controlled in-plane chain orientation have been fabricated based on Langmuir-Blodgett technique by cospreading liquid crystal molecule with regioregular poly(3-hexylthiophene). The mobilities parallel to the chain direction reached 0.001-0.01 cm(2)/V s for 1 to 5 monolayer thick transistors. Mobility ratio was about 2 for the parallel and perpendicular directions. Electron spin resonance (ESR) signals of the field-induced polarons exhibited clear in-plane anisotropies due to unpaired pi-electrons. The anisotropic ESR spectra together with the optical dichroism determine the detailed molecular orientations in the channel of such ultrathin transistors.

      DOI: 10.1063/1.3421538

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    • 注目の論文:並べるだけで全く別の材料に・・・-ポリエチレン鎖の配向・配列で熱伝導性が金属に匹敵

      永野修作

      化学65   63-64   2010

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    • Properties of core-shell structured nanopowders of molecular crystals fabricated by dry grinding Peer-reviewed

      Kunihiro Ichimura, Ken'ichi Aoki, Haruhisa Akiyama, Shin Horiuchi, Shusaku Nagano, Shinji Horie

      JOURNAL OF MATERIALS CHEMISTRY20 ( 21 ) 4312 - 4320   2010

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:ROYAL SOC CHEMISTRY  

      A generic way to prepare nano-sized molecular crystals in large scale is described. The dry mechanical grinding of a mixture of molecular crystals with surface-modified Stober silica nanoparticles gave voluminous hybridised powders with core-shell nanostructures, which were revealed by TEM and EFTEM measurements. Fluorescence spectra of the hybrids of emissive crystals suggested that crystal structures of the bulk are preserved even after the milling. Calorimetric measurements disclosed that melting points of crystals are lowered as a result of the nanohybridisation and that the depression of melting point and heat of fusion are reversibly proportional to shell thickness.

      DOI: 10.1039/b925120k

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    • Time-resolved X-ray reflectometry in the multiwavelength dispersive geometry Peer-reviewed

      Tadashi Matsushita, Etsuo Arakawa, Tetsuo Harada, Tadashi Hatano, Yasuo Higashi, Yohko F. Yano, Yasuhiro Niwa, Yasuhiro Inada, Shusaku Nagano, Takahiro Seki

      AIP Conference Proceedings1234   927 - 930   2010

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      Language:English   Publishing type:Research paper (international conference proceedings)  

      A new method of measuring specular X-ray reflectivity curves with a time resolution of milliseconds to seconds is developed. A horizontally convergent X-ray beam having a one-to-one correlation between its direction and energy is realized by a curved crystal or a laterally graded multilayer on an elliptic substrate. The X-ray beam is then incident on the surface of the specimen placed at the focus in such a way that the glancing angle in the vertical direction is the same for all X-ray components, which are reflected in the vertical direction by the surface and diverge in the horizontal plane. The perpendicular momentum transfer continuously changes as a function of the horizontal ray direction since the wavelength change similarly. The normalized linear intensity distribution across the beam direction measured downstream of the specimen represents the X-ray reflectivity curve. Examples of time-resolved measurements of X-ray reflectivity curves are shown. © 2010 American Institute of Physics.

      DOI: 10.1063/1.3463368

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    • Two dimensional nano-dot array engineering of block copolymer surface micelles on water surface Peer-reviewed

      Shusaku Nagano, Yu Matsushita, Satoshi Shinma, Takashi Ishizone, Takahiro Seki

      THIN SOLID FILMS518 ( 2 ) 724 - 728   11 2009

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:ELSEVIER SCIENCE SA  

      When an amphiphilic block copolymer is directly spread from an organic solution, the morphology of the surface micelles is not in general controlled because the structure is rapidly frozen after the solvent evaporation. In contrast, we have developed a new versatile method to generate highly regular ordered nanopatterns of the surface micelles on water, which involves the process of two dimensional (2D) hybridization with a polar liquid crystal molecule, 4'-pentyl-4-cyanobiphenyl (5CB) [Langmuir 22 (2006) 5233]. The present work extends this approach using a family of diblock copolymers of polystyrene-block-poly(4-vinylpyridine) changing the chain length of the two polymer blocks. It is found here that the dot-to-dot distance and the dot size can be precisely controlled on-demand by the length of the polymer blocks. Such structural regulations cannot be attained without the 5CB hybridization. Due to the high reproducibility of the morphology formation, this process should be of practical significance to 'engineer' the 2D patterns in the range of some tens of nanometers. (C) 2009 Elsevier B.V. All rights reserved.

      DOI: 10.1016/j.tsf.2009.07.078

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    • Novel Liquid Crystalline Organic-Inorganic Hybrid for Highly Sensitive Photoinscriptions Peer-reviewed

      Kaori Nishizawa, Shusaku Nagano, Takahiro Seki

      CHEMISTRY OF MATERIALS21 ( 13 ) 2624 - 2631   7 2009

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:AMER CHEMICAL SOC  

      A new class of organic-inorganic liquid crystalline hybrid materials consisting of an azobenzene derivative and titanium oxide (6Az5COO-TiO and 6AzlCOO-TiO) was synthesized. 6Az5COO-TiO with a C5 spacer showed a smectic liquid crystalline phase. The organic 6Az5COO and TiO inorganic components in the hybrid film were oriented perpendicular and parallel 10 the Substrate plane, respectively, to form a layered structure. The structure of the liquid crystalline hybrid material was formed via nanophase separation of the organic and inorganic components. This film wits then subjected to the inscription of surface relief structure formation by patterned UV irradiation. The efficiency of the phototriggered mass transfer showed a clear temperature dependency. The optimal temperature range was around 130 degrees C, which corresponds to the lower edge of the endothermic peak in the differential scanning calorimetric profile. The mass transfer was initiated at a surprisingly small energy dose of irradiation [40 mJ cm(-2) (8 mW cm(-2) for 5 s)] in this hybrid material, as has been observed for fully organic soft liquid crystalline polymer systems. It is anticipated that this new type of hybrid material have potential for microfabrication of optical and photocatalytic elements.

      DOI: 10.1021/cm900970p

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    • Ideal spread monolayer formation and surface pressure induced orientation in poly(9,9-di-n-octylfluorene-alt-benzothiadiazole) via hybridized with liquid crystal molecule on water Peer-reviewed

      Akio Toda, Shusaku Nagano, Takahiro Seki

      SYNTHETIC METALS159 ( 9-10 ) 835 - 838   5 2009

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:ELSEVIER SCIENCE SA  

      Hydrophobic poly(9,9-di-n-octylfluorene-alt-benzothiadiazole) [F8BT] formed an ideal spread monolayer on a water surface by the cospreading method with liquid crystal molecule, 4'-pentyl-4-cyanobiphenyl [5CB]. The F8BT/5CB hybrid monolayers were characterized by surface pressure-area (pi-A) isotherm measurements and atomic force microscopy (AFM). F8BT does not form a homogeneous monolayer by direct spreading on water from a single solution. The mixed film of two components, F8BT and 5CB, gave a characteristic pressure lift-off attributed to the hybrid monolayer above the 5CB plateau. AFM observation revealed that the spread monolayer of the F8BT formed on the top of the 5CB monolayer on water with the thickness of ca. 1.7 mn. The F8BT/5CB hybrid monolayers could be fully transferred onto a solid substrate, and pure F8BT monolayers were obtained after volatilization of 5CB by gentle hearing. Polarized UV-vis absorption spectra showed that the main chain of F8BT preferentially oriented perpendicular to the compressive direction at the surface pressure of 10 mN m(-1) on water. (C) 2009 Elsevier B.V. All rights reserved.

      DOI: 10.1016/j.synthmet.2009.01.021

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    • Micropatterning of titanium oxide film via phototactic mass transport Peer-reviewed

      Kaori Nishizawa, Shusaku Nagano, Takahiro Seki

      JOURNAL OF MATERIALS CHEMISTRY19 ( 39 ) 7191 - 7194   2009

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:ROYAL SOC CHEMISTRY  

      A thin film of a new liquid crystalline azobenzene-titania precursor hybrid shows sensitive phototactic motions to form a relief structure. This topologically patterned film can be directly converted to a micropatterned anatase-type crystalline TiO2 film by photodecomposition and pyrolysis.

      DOI: 10.1039/b916494d

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    • Photoresponsive Liquid Crystals for Tuning and Aligning Nanostructures Peer-reviewed

      Takahiro Seki, Yuichi Morikawa, Takayuki Uekusa, Shusaku Nagano

      MOLECULAR CRYSTALS AND LIQUID CRYSTALS510   21 - 33   2009

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:TAYLOR & FRANCIS LTD  

      The photoalignment of liquid crystalline azobenzene-containing polymers has been an active area of research, which intends to apply for optical elements such as rewritable optical memory, photorefractive and photomechanical devices. However, the photoalignment behavior is hardly studied in nano-confined environments. We introduce herein our current activities on the new types of photoalignment controls of azobenzene-containing liquid crystalline polymer materials; (i) polymer chains tethered (grafted) onto a substrate and (ii) nanostructures formed by a block copolymer. New platforms for the photoalignment technologies are anticipated in these photoactive thin film systems.

      DOI: 10.1080/15421400903057827

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    • A photoresponsive liquid crystal based on (1-cyclohexenyl)phenyldiazene as a close analogue of azobenzene Peer-reviewed

      Masanao Sato, Shusaku Nagano, Takahiro Seki

      CHEMICAL COMMUNICATIONS ( 25 ) 3792 - 3794   2009

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:ROYAL SOC CHEMISTRY  

      A new photoresponsive calamitic liquid crystal molecule possessing (1-cyclohexenyl)phenyldiazene as a close analogue of azobenzene was synthesized and a comparative study with the corresponding azobenzene analogue carried out.

      DOI: 10.1039/b906716g

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    • Photo-crosslinkable liquid-crystalline azo-polymer for surface relief gratings and persistent fixation Peer-reviewed

      Wenhan Li, Shusaku Nagano, Takahiro Seki

      NEW JOURNAL OF CHEMISTRY33 ( 6 ) 1343 - 1348   2009

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:ROYAL SOC CHEMISTRY  

      Highly efficient migration has been observed for soft liquid-crystalline azobenzene-containing polymer films to form surface relief gratings (SRGs). The efficient migration is probably driven by the interfacial instability at boundaries between the smectic liquid-crystalline phase and photoinduced isotropic one. However, this migration system suffers from long-term and heat stability. This work proposes a new post-fixation method by utilizing the [2 + 2] photo-dimerization reaction of a cinnamoyl unit introduced into the polymer. The polymer synthesis, the properties of SRG formation, and drastic improvement of the stability towards heating and solvent exposure are described.

      DOI: 10.1039/b900146h

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    • Ideal spread monolayer and multilayer formation of fully hydrophobic polythiophenes via liquid crystal hybridization on water Peer-reviewed

      Shusaku Nagano, Seiichiro Kodama, Takahiro Seki

      LANGMUIR24 ( 18 ) 10498 - 10504   9 2008

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:AMER CHEMICAL SOC  

      The spread monolayer formation of hydrophobic poly (3-alkylthiophene)s (P3ATs), regioregular poly(3-hexylthiophene) (HT-P3HT), regioregular poly(3-dodecylthiophene) (HT-P3DT), and regioirregular poly(3-hexylthiophene) (RI-P3HT), were attained on the water surface via cospreading with a liquid-crystal molecule, 4'-pentyl-4-cyanobiphenyl (5CB). The spread monolayers were characterized by R-A isotherms, Brewster angle microscopy (BAM), and atomic force microscopy (AFM). The molecular area for the cospread mixtures of P3ATs and 5CB expanded more than that of pure P3ATs as shown from the pi-A isotherms. BAM revealed that the mixed film forms the monomolecularly uniform and flat films on water. AFM elucidated that the spread monolayer of the hydrophobic P3ATs formed on the top of the 5CB monolayer on water with thicknesses of ca. 1.6 and ca. 2.6 nm for the two P3HTs and HT-P3DT, respectively. The P3AT/5CB hybrid monolayers could be fully transferred onto a solid substrate, and pure P3AT monolayers were obtained after volatilization of 5CB by gentle heating. The multilayer formation of pure MAT monolayers was prepared by layer-by-layer deposition involving repeating horizontal deposition and successive volatilization of 5CB. Grazing angle incidence X-ray diffraction measurements showed that the lamella plane of the P3ATs is perfectly oriented parallel to the substrate plane in the resulting thin films. This shows a marked contrast with those obtained by spin casting using the identical polymer, where both in-plane and out-of-plane lamellae are involved. These thin films with perfectly controlled lamella orientation should be of great significance as the model system for evaluating the charge mobility for organic polymer electric devices.

      DOI: 10.1021/la801899f

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    • Light-directed dynamic structure formation and alignment in photoresponsive thin films

      Takahiro Seki, Shusaku Nagano

      CHEMISTRY LETTERS37 ( 5 ) 484 - 489   5 2008

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      Light provides practical and versatile tools for structure formation and its tuning of soft materials. This article briefly over-views recent developments of photoalignment and phototuning of nanostructured materials focusing onto the 2D material systems. Two topics are involved; i) phototuning and alignment of microphase-separated nanostructures in block copolymers containing a photoisomerizable unit and ii) photoalignment of organic/silica nanohybrids prepared on a polymer film with photocrosslinkable unit.

      DOI: 10.1246/cl.2008.484

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    • Chromic slide-ring gel based on reflection from photonic bandgap Peer-reviewed

      Harumi Murayama, Abu Bin Imran, Shusaku Nagano, Takahiro Seki, Masatoshi Kidowaki, Kohzo Ito, Yukikazu Takeoka

      MACROMOLECULES41 ( 5 ) 1808 - 1814   3 2008

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:AMER CHEMICAL SOC  

      Here we report on a chromic slide-ring gel consisting of polyrotaxane by using a close-packed colloidal crystal as a template. In the slide-ring gel, the polymer chains with bulky end groups are not covalently cross-linked like chemical gels nor do they interact attractively like physical gets, but are topologically interlocked by figure-of-eight cross-links. The slide-ring gel has freely movable cross-links, which have a pulley effect on tensile deformation. This effect improves the mechanical properties of polymer gels. In this work, this physically and mechanically optimized polymer gel was used to make stimuli-responsive photonic band gap materials. Our gel exhibits solvatochromic behavior based on the change in structural color.

      DOI: 10.1021/ma0715627

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    • Surf ace-mediated photoalignment of organic/inorganic nanohybrids Invited

      Takahiro Seki, Harnhiko Fukumoto, Mitsuo Hara, Nobuhiro Kawatsuki, Shusaku Nagano

      JOURNAL OF THE CERAMIC SOCIETY OF JAPAN116 ( 1351 ) 361 - 368   3 2008

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:CERAMIC SOC JAPAN-NIPPON SERAMIKKUSU KYOKAI  

      Light irradiation provides significant tools for material structuring and processing. In this article, the photo-orientation processes of the organic/inorganic hybrid materials recently achieved in our laboratory are briefly introduced. Irradiation of linearly polarized light to a polymer film containing a photoisomerizabke azobenzene or photocrosslinkable cinnamoyl unit leads to the induction of anisotropic molecular orientations on the surface. This molecular anisotropic surface structure can be transferred to a controlled orientation of nanostructures of organic/inorganic. hybrid films at macroscopic scales. Two classes of lyotropic/silica systems have been applied to the photo-orientation procedures, i.e., ordinary surfactant systems and chromonic ones. These processes can be regarded as the extended applications of the so-called command surface systems, which photochemically regulate the molecular orientations of liquid crystals. (C) 2008 The Ceramic Society of Japan. All rights reserved.

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    • Surface-mediated photoalignment of organic/inorganic nanohybrids(<Feature>Global Innovation in Advanced Ceramics)

      SEKI Takahiro, FUKUMOTO Haruhiko, HARA Mitsuo, KAWATSUKI Nobuhiro, NAGANO Shusaku

      Journal of the Ceramic Society of Japan116 ( 1351 ) 361 - 368   1 3 2008

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      Language:English   Publisher:The Ceramic Society of Japan  

      Light irradiation provides significant tools for material structuring and processing. In this article, the photo-orientation processes of the organic/inorganic hybrid materials recently achieved in our laboratory are briefly introduced. Irradiation of linearly polarized light to a polymer film containing a photoisomerizabke azobenzene or photocrosslinkable cinnamoyl unit leads to the induction of anisotropic molecular orientations on the surface. This molecular anisotropic surface structure can be transferred to a controlled orientation of nanostructures of organic/inorganic hybrid films at macroscopic scales. Two classes of lyotropic/silica systems have been applied to the photo-orientation procedures, i.e., ordinary surfactant systems and chromonic ones. These processes can be regarded as the extended applications of the so-called command surface systems, which photochemically regulate the molecular orientations of liquid crystals.

      DOI: 10.2109/jcersj2.116.361

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      Other Link: https://jlc.jst.go.jp/DN/JALC/00310202569?from=CiNii

    • Photo-triggered surface relief grating formation in supramolecular liquid crystalline polymer systems with detachable azobenzene units Peer-reviewed

      Nobuyuki Zettsu, Toshinobu Ogasawara, Norihiro Mizoshita, Shusaku Nagano, Takahiro Seki

      ADVANCED MATERIALS20 ( 3 ) 516 - +   2 2008

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:WILEY-V C H VERLAG GMBH  

      The efficient photo-triggered surface relief formation in the H-boned supramolecular liquid crystalline system was performed for the first time. This supramolecular framework leads to facile and successful detachment of azobenzene unit from the SRG inscribed film with exact retention of the morphological periodicity.

      DOI: 10.1002/adma.200701110

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    • *Highly Ordered In-Plane Photoalignment Attained by the Brush Architecture of Liquid Crystalline Azobenzene Polymer Peer-reviewed

      T. Uekusa, S. Nagano, T. Seki

      Macromolecules42 ( 1 ) 312-318   2008

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    • Photoalignment and patterning of a chromonic-silica nanohybrid on photocrosslinkable polymer thin films Peer-reviewed

      Mitsuo Hara, Shusaku Nagano, Nobuhiro Kawatsuki, Takahiro Seki

      JOURNAL OF MATERIALS CHEMISTRY18 ( 27 ) 3259 - 3263   2008

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:ROYAL SOC CHEMISTRY  

      We recently found that the chromonic mesophase structure of an azo dye can be immobilized by a silica network to form a chromonic-silica nanohybrid. This work reports the first demonstration of the macroscopic photoalignment and photopatterning of this nanohybrid via surface-mediated orientational transfer from a photocrosslinkable liquid crystalline polymer (PPLC). Irradiation with linearly polarized light (LPL) 300 nm above the PPLC film followed by an appropriate annealing process led to strong in-plane molecular orientation in the film. The precursor sol solution containing a chromonic forming azo dye and tetraethoxysilane in the presence of an anionic surfactant and 2-(2-aminoethoxy) ethanol was placed onto this aligned film by the static deposition or dipping method. After drying, the chromonic columns hybridized with silica were macroscopically oriented orthogonal to the LPL direction, namely the orientation of the dye molecule being parallel to it. In the dip coating process, a combination of photoalignment and flow induced orientation allowed clear micropatterning of the column orientations, which could be readily discerned when observed with a polarizing film.

      DOI: 10.1039/b802145g

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    • Chromonic/Silica nanohybrids: Synthesis and macroscopic alignment Peer-reviewed

      Mitsuo Hara, Shusaku Nagano, Norihiro Mizoshita, Takahiro Seki

      LANGMUIR23 ( 24 ) 12350 - 12355   11 2007

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      Some dye molecules self-aggregate to exhibit a lyotropic columnar liquid crystal state (chromonic liquid crystal) via pi stacking in relatively highly concentrated aqueous solutions. In this work, the chromonic liquid crystal structure was immobilized, for the first time, with silica networks by way of the sol-gel condensation process. The immobilization of the columnar structure was successfully attained in the presence of 2-(2-aminoethoxy)ethanol, which favorably mediates the interface between the anionic charge of the dye aggregates and the silica network. Without this molecule, the sol-gel process gave rise to a transformation from columnar to lamellar structure. Both spin-coating and dip-coating methods gave essentially the same results. In the dip-coated films, the dye molecules were aligned over a large area with orientation orthogonal to the lifting direction.

      DOI: 10.1021/la701557q

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    • Photoresponsive slide-ring gel Peer-reviewed

      Taiga Sakai, Harumi Murayama, Shusaku Nagano, Yukikazu Takeoka, Masatoshi Kidowaki, Kohzo Ito, Takahiro Seki

      ADVANCED MATERIALS19 ( 15 ) 2023 - +   8 2007

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:WILEY-V C H VERLAG GMBH  

      Slide-ring topological gels with mobile cross-linking units are a new class of soft materials that exhibit distinct features differing from those of conventional chemically or physically crosslinked gels. Photoresponsive behavior arising from the dynamic nature of the cross-linkers is demonstrated for a slide-ring, gel prepared by adding azobenzene units to the mobile a-cyclodextrin units of a poly(ethylene oxide)based polyrotaxane (see figure).

      DOI: 10.1002/adma.200700457

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    • Highly photosensitive surface relief gratings formation in a liquid crystalline azobenzene polymer: New implications for the migration process Peer-reviewed

      Nobuyuki Zettsu, Toshinobu Ogasawara, Ryusuke Arakawa, Susaku Nagano, Takashi Ubukata, Takahiro Seki

      MACROMOLECULES40 ( 13 ) 4607 - 4613   6 2007

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      We have recently demonstrated a markedly photosensitive surface relief gratings (SRG) formation in thin films of liquid crystalline azobenzene-containing polymers, which proceeds from a cis-rich state of the azobenzene [Zettsu et al. Adv. Mater. 2001, 13, 1693; Macromolecules 2004, 37, 8692]. Such polymers exhibited unexpected enhancements in the sensitivity to light for the completion of SRG formation, the required energy dose being similar to 10(3)-fold lower than that for other azobenzene polymers systems widely employed. Here we report detailed results on the systematic explorations for understanding the migration mechanism. The cis-isomer content at the initial state and irradiation intensity crucially influenced the migration efficiency and the resulting relief structure in nonlinear manners. The Zisman plot showed that the light irradiation leads to a large change in the critical surface tension. Such results strongly suggest that the photochemically induced phase transition and the resulting spatial modulations in the physical properties in the film play the essential roles for the SRG formation. On the basis of this knowledge, the SRG formation via a sensitized excitation was demonstrated for the first time by incorporation of a near-infrared absorbing dye.

      DOI: 10.1021/ma0706428

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    • Highly photosensitive surface relief gratings formation in a liquid crystalline azobenzene polymer: New implications for the migration process Peer-reviewed

      Nobuyuki Zettsu, Toshinobu Ogasawara, Ryusuke Arakawa, Susaku Nagano, Takashi Ubukata, Takahiro Seki

      MACROMOLECULES40 ( 13 ) 4607 - 4613   6 2007

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:AMER CHEMICAL SOC  

      We have recently demonstrated a markedly photosensitive surface relief gratings (SRG) formation in thin films of liquid crystalline azobenzene-containing polymers, which proceeds from a cis-rich state of the azobenzene [Zettsu et al. Adv. Mater. 2001, 13, 1693; Macromolecules 2004, 37, 8692]. Such polymers exhibited unexpected enhancements in the sensitivity to light for the completion of SRG formation, the required energy dose being similar to 10(3)-fold lower than that for other azobenzene polymers systems widely employed. Here we report detailed results on the systematic explorations for understanding the migration mechanism. The cis-isomer content at the initial state and irradiation intensity crucially influenced the migration efficiency and the resulting relief structure in nonlinear manners. The Zisman plot showed that the light irradiation leads to a large change in the critical surface tension. Such results strongly suggest that the photochemically induced phase transition and the resulting spatial modulations in the physical properties in the film play the essential roles for the SRG formation. On the basis of this knowledge, the SRG formation via a sensitized excitation was demonstrated for the first time by incorporation of a near-infrared absorbing dye.

      DOI: 10.1021/ma0706428

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    • Unique molecular orientation in a smectic liquid crystalline polymer film attained by surface-initiated graft polymerization Peer-reviewed

      Takayuki Uekusa, Shusaku Nagano, Takahiro Seki

      LANGMUIR23 ( 8 ) 4642 - 4645   4 2007

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:AMER CHEMICAL SOC  

      Liquid crystalline (LC) polymer brushes containing a mesogenic azobenzene (Az) moiety are synthesized on a quartz or silicon substrate by surface-initiated atom transfer radical polymerization. The molecular orientation of the Az units and the LC properties in the grafted chains are evaluated by UV-vis spectroscopy, polarized optical microscopy, and grazing incidence X-ray diffraction measurements. The Az side chains of the grafted chains exhibited a smectic LC phase in which the smectic layers are oriented perpendicular to the substrate with a parallel orientation of the mesogens. In contrast, a spincast film of the identical LC polymer without grafting to the surface shows layer structures parallel to the substrate. A drastic effect of tethering one end to the substrate on the LC orientation is demonstrated.

      DOI: 10.1021/la063467h

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    • Photoinduced 3D ordering and patterning of microphase-separated nanostructure in polystyrene-based block copolymer Peer-reviewed

      Yuichi Morikawa, Takeshi Kondo, Shusaku Nagano, Takahiro Seki

      CHEMISTRY OF MATERIALS19 ( 7 ) 1540 - 1542   4 2007

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      DOI: 10.1021/cm0630845

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    • Surface design for precise control of spatial growth of a mesostructured inorganic/organic film on a large-scale area Peer-reviewed

      Atsushi Hozumi, Satoshi Kojima, Shusaku Nagano, Takahiro Seki, Naoto Shirahata, Tetsuya Kameyama

      LANGMUIR23 ( 6 ) 3265 - 3272   3 2007

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:AMER CHEMICAL SOC  

      A microfabrication technique is presented to fabricate a mesostructured inorganic/organic composite film, i.e., silica/cetyltrimethylammonium chloride (CTAC) film, with near-perfect site-selectivity on a large surface area based on a spatially regulated growth method. To precisely regulate the site-selective growth of this mesocomposite film at the solid/liquid interface, we designed a novel microtemplate consisting of a "dual-component" self-assembled monolayer (SAM) with alternating hydrophobic trifluorocarbon (CF3) and cationic amino (NH2) groups. First, (heptadecafluoro-1,1,2,2-tetrahydrodecyl)trimethoxysilane (FAS)-SAM was formed onto Si substrate covered with native oxide (SiO2/Si) from vapor phase. The substrate was then photolithographically micropatterned using 172 nm vacuum UV light. Finally, the micropatterned FAS-SAM was immersed in a solution of 1 vol % (aminoethylaminomethyl)phenethyltrimethoxysilane (AEAMPS) in absolute toluene. Due to these treatments, a dual-SAM microtemplate with CF3- and NH2-terminated surfaces was fabricated, as evidenced by lateral force microscopy, ellipsometry, and X-ray photoelectron spectroscopy. Using this template, the microfabrication of a mesocomposite film was demonstrated. As a control, the micropatterned hydrophobic FAS-SAM template (composed of CF3- and OH-terminated surfaces) was also treated under the same conditions. Optical microscopy and atomic force microscopy confirmed that the formation of the continuous mesocomposite film proceeded only on the FAS-SAM-covered regions, while the AEAMPS-SAM-covered regions remained free of deposits. This shielding effect also remained constant regardless of the pattern's geometry, i.e., the interval distance between the FAS-SAM-covered areas in the pattern. Through this approach, we were able to obtain well-defined 5-, 10-, and 20-mu m wide mesocomposite microlines over the entire 10 x 10 mm(2) area with high area-selectivity. On the other hand, when the SiO2 regions were not terminated with the cationic NH2 groups, cluster formation proceeded not only on the hydrophobic CF3 regions but also on the SiO2 regions, particularly with an increase in the pattern interval distance, resulting in lower final pattern resolution.

      DOI: 10.1021/la0614051

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    • Optical Control of Microphase Separated Nanostructures in Polystyrene-Based Liquid Crystalline Diblock Copolymer Thin Films Peer-reviewed

      Yuichi Morikawa, Takeshi Kondo, Shusaku Nagano, Takahiro Seki

      Transactions of the Materials Research Society Japan32 ( 2 ) 363-366   2007

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    • *3D Photoalignment and Patterning of Microphase Separated Nanostructure in Polystyrene-Based Block Copolymer Peer-reviewed

      Yuichi Morikawa, Takeshi Kondo, Shusaku Nagano, Takahiro Seki

      Chem. Mater.19 ( 7 ) 1540-1542   2007

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    • Orientation of Smectic Phase and Photoalignment in Azobenzene liquid crystalline polymer Brushes

      Uekusa Takayuki, Nagano Shusaku, Seki Takahiro

      Proceedings of Japanese Liquid Crystal Society Annual meeting2007   68 - 68   2007

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      Language:Japanese   Publisher:THE JAPANESE LIQUID CRYSTAL SOCIETY  

      Liquid crystalline (LC) polymer brushes having an azobenzene chromophore were synthesized onto a quartz or silicon substrate by surface-initiated atom transfer radical polymerization. Orientation of LC phase in the graft chains were evaluated by UV-vis spectroscopy and grazing incidence X-ray diffraction measurements. The orientation of the LC side chains in graft chains were affected by the graft density. Sufficiently high density of the blushes induced homogeneous alignment of LC mesogens and perpendicular orientation of the smectic lamellae to the substrate plane. In contrast, the mesogens in a low density grafting film formed homeotropic alignment. Further, anisotropy was induced by irradiation with linearly polarized visible light.

      DOI: 10.11538/ekitou.2007.0.68.0

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    • Morphological conversions of nanostructures in monolayers of an ABA triblock copolymer having azobenzene moiety Peer-reviewed

      Sohei Kadota, Kenji Aoki, Shusaku Nagano, Takahiro Seki

      COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS284   535 - 541   8 2006

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:ELSEVIER SCIENCE BV  

      We report herein the microphase separation structures (nanostructures) observed in Langmuir-Blodgett monolayers of an ABA block copolymer comprising of azobenzene-containing methacrylate and poly(ethylene oxide) as A and B block, respectively. After spreading this polymer on water in the trans and cis form of azobenzene, the monolayer is transferred onto mica at 1 mN m(-1). The morphological features are observed by atomic force microscopy. The features of the nanostructures formed in the monolayers have obviously different features in the isomerization state of azobenzene. The conversions of the morphological features accompanied by the isomerization of azobenzene are attempted by light irradiation and dark adaptation. This paper focuses on the features in morphological conversions attained in the photo- and thermal processes. (c) 2005 Elsevier B.V. All rights reserved.

      DOI: 10.1016/j.colsurfa.2005.10.081

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    • Role of liquid crystallinity of the photo-crosslinkable polymer film in the photo-alignment of mesoporous silica Peer-reviewed

      Haruhiko Fukumoto, Shusaku Nagano, Nobuhiro Kawatsuki, Takahiro Seki

      COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS284   309 - 314   8 2006

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:ELSEVIER SCIENCE BV  

      A new photo-aligning technique for mesochannels of a silica thin film transferred from a liquid crystalline photo-crosslinkable polymer (poly[6-(4-(4'-methoxycinnamoyloxy)biphenyloxy)hexylmethacrylate] (PMBCi)) film has been developed in our group. Herein, we also adopt a non-liquid crystalline photo-crosslinkable polymer, poly(vinyl cinnamate) (PVCi), to evaluate the role of liquid crystallinity for inducing the alignment of mesochannels of the silica films. Optical anisotropy of the thin films of the two photo-crosslinkable polymers (PVCi and PMBCi) was induced by irradiation with linearly polarized UV (LPUV) light. The photo-induced anisotropy of both films were sufficient for alignment of nematic liquid crystal molecules, however, mesoporous silica films were aligned only on the liquid crystalline PMBCi film as revealed by in-plane X-ray diffraction (XRD) measurements and optical microscopy. (c) 2005 Elsevier B.V. All rights reserved.

      DOI: 10.1016/j.colsurfa.2005.10.072

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    • Sharp temperature dependency of 2D spreading behavior in amphiphilic block copolymer at the air-water interface Peer-reviewed

      Takayuki Uekusa, Shusaku Nagano, Takahiro Seki

      COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS284   207 - 211   8 2006

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:ELSEVIER SCIENCE BV  

      We report herein characteristic spreading behavior of amphiphilic block copolymer, polystyrene-block-poly(4-vinyl pyridine) (PS-P4VP) at the air-water interface. When the polymer was spread from cyclohexane, a theta solvent for PS and a poor solvent for P4VP, onto the air-water interface, an unexpected sharp temperature dependent change was observed in the surface pressure-area curves. In contrast, when non-theta solvents such as chloroform were used, only negligible temperature dependency was observed. In the cyclohexane solution, the aggregate size of the block copolymer strongly depends on the solution temperatures as revealed by dynamic light scattering measurements. The phenomena observed for cyclohexane should involve the coil-globule conformational transition taking place in the theta solvent. To our knowledge this work presents the first clear example that the aggregation state of polymers in solution is directly reflected to the two-dimensional spreading behavior at the air-water interface. (c) 2005 Elsevier B.V. All rights reserved.

      DOI: 10.1016/j.colsurfa.2005.10.080

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    • Formation of a highly ordered dot array of surface micelles of a block copolymer via liquid crystal-hybridized self-assembly Peer-reviewed

      Shusaku Nagano, Yu Matsushita, Yuki Ohnuma, Satoshi Shinma, Takahiro Seki

      LANGMUIR22 ( 12 ) 5233 - 5236   6 2006

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:AMER CHEMICAL SOC  

      A highly ordered dot array pattern of surface micelles on water is formed by a spread monolayer of an amphiphilic block copolymer, polystyrene-block-poly(4-vinylpyridine) (PS-4VP), via hybridization with a liquid crystal molecule, 4'-pentyl-4-cyanobiphenyl (5CB), on water. Simple co-spreading of PS-4VP with 5CB provides a flat homogeneous monolayer of PS-4VP on water without the aggregation of PS blocks. With increasing surface pressure, well-defined dots of the PS blocks start to grow and are arrayed in a highly ordered hexagonal structure. The exact coincidence of the surface pressure-area curves for the hybrid monolayer in the compression and expansion processes confirms that the flat spread monolayer and the dot array are formed on water in the equilibrium state by a self-assembly process.

      DOI: 10.1021/la060350k

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    • Optical alignment and patterning of nanoscale microdomains in a block copolymer thin film Peer-reviewed

      Y Morikawa, S Nagano, K Watanabe, K Kamata, T Iyoda, T Seki

      ADVANCED MATERIALS18 ( 7 ) 883 - +   4 2006

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:WILEY-V C H VERLAG GMBH  

      Optical 3D alignment of nanocylinders has been successfully attained for thin films of a block copolymer (see figure) comprising azobenzene-containing liquid-crystalline polymers and poly(ethylene oxide) via photoinduced massive migration. ne out-of-plane and inplane alignments are achieved by controlling the film thickness and selection of linear polarization direction upon illumination, respectively.

      DOI: 10.1002/adma.200502573

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    • Photo-alignment behavior of mesoporous silica thin films synthesized on a photo-cross-linkable polymer film Peer-reviewed

      H Fukumoto, S Nagano, N Kawatsuki, T Seki

      CHEMISTRY OF MATERIALS18 ( 5 ) 1226 - 1234   3 2006

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:AMER CHEMICAL SOC  

      Two-dimensional-hexagonal mesoporous silica thin films with aligned mesochannels in one direction at large scales will be favorably applied in optics, electronics, separation technologies, and so forth. We propose herein a new photo-aligning and micropatterning technique for mesochannels of a silica thin film using a photo-cross-linkable polymer film with a cinnamoyl group. The polymer film was uniaxially photo-oriented by exposure to the linearly polarized UV (LPUV) light. On this film, the mesoporous silica thin film was synthesized by various preparation methods. The orientation of the mesochannels was evaluated by in-plane X-ray diffraction (XRD) measurements. It was shown that the mesochannels were aligned perpendicular to the polarized direction of the irradiated LPUV light. In-plane XRD measurements and transmission electron microscopic and optical microscopic observations of the silica films revealed that photo-orientation of the mesochannels is controlled over the whole surface area of the film. In addition, micropatterning of the photo-aligned mesoporous silica films was readily attained by exposure to the LPUV light passed through a photomask.

      DOI: 10.1021/cm052359y

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    • In situ polymerization of liquid crystalline monomers within photdaligned mesoporous silica thin film Peer-reviewed

      H Fukumoto, S Nagano, T Seki

      CHEMISTRY LETTERS35 ( 2 ) 180 - 181   2 2006

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:CHEMICAL SOC JAPAN  

      Photopolymerization of liquid crystalline monomers was achieved within photoaligned mesoporous silica film. After resolving the template of silica networks, bundles of nanofibers containing polymer chains with a narrow molecular weight distribution were obtained.

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    • ブロック共重合体ミクロ相分離構造の光制御 Invited

      関 隆広, 永野修作

      日本ゴム協会誌79   237   2006

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    • Fabrication and their alignment behavior of photo-functional liquid crystalline polymer brushes

      Takayuki Uekusa, Shusaku Nagano, Takahiro Seki

      Polymer Preprints, Japan55 ( 2 ) 4344 - 4345   2006

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      Publishing type:Research paper (international conference proceedings)  

      We prepared liquid crystalline polymer brush structures containing an azobenzene moiety on silicon wafer and quartz surface by surface initiated atom transfer radical polymerization (ATRP). The surface-initiated ATRP was carried out in the presence of a free initiator, and well defined polymer brushes were obtained. The molecular orientation of azobenzene units in the graft chains was evaluated by UV-vis spectroscopy and grazing-incidence small angle X-ray scattering (GI-SAXS) measurements. The UV-vis absorption studies revealed that the azobenzene mesogens in the graft films were oriented parallel to the substrate plane. The scattering peaks were observed at d = 3.56 nm in the in-plane direction by GI-SAXS measurements, indicating that the grafted polymer chains formed the smectic LC phase with the smectic layers normal to the substrate. Thus, we attained the normal alignment of the smectic phase in the azobenzene LC polymers by surface grafting polymerization.

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    • Temperature dependent aggregation behavior of polystyrene-based amphiphilic block copolymers at the air-water interface Peer-reviewed

      Takayuki Uekusa, Satoshi Shimma, Shusaku Nagano, Takahiro Seki

      TRANSACTIONS OF THE MATERIALS RESEARCH SOCIETY OF JAPAN, VOL 31, NO 231 ( 2 ) 265 - 268   2006

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      Language:English   Publishing type:Research paper (international conference proceedings)   Publisher:ELSEVIER SCIENCE BV  

      We report characteristic spreading behavior of amphiphilic block copolymers, polystyrene-block-poly(4-vinyl pyridine) (PSm-P4VPn) at the air-water interface. When the polymers were spread from cyclohexane, a theta solvent for PS and a poor solvent for P4VP, onto the air-water interface, unexpected sharp temperature dependent changes were observed in the surface pressure-area curves. In the cyclohexane solution, the aggregate sizes of the block copolymers strongly depended on the solution temperature as revealed by transmittance measurements. These phenomena observed for cyclohexane should be attributed to the coil-globule conformational transition taking place in the theta solvent. The phase transition temperature in solution and at the air-water interface linearly enhanced with the increase of the molecular weight of PS segments. To our knowledge this work presents the first clear example that the aggregation state of polymers in solution is directly reflected to the two-dimensional spreading behavior at the air-water interface.

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    • Liquid crystal-assisted photo-triggered mass migration in liquid crystalline diblock copolymer Peer-reviewed

      Yuichi Morikawa, Shusaku Nagano, Kazuhito Watanabe, Kaori Kamata, Tomokazu Iyoda, Takahiro Seki

      TRANSACTIONS OF THE MATERIALS RESEARCH SOCIETY OF JAPAN, VOL 31, NO 231 ( 2 ) 269 - 272   2006

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      Photo-triggered mass migration in thin films of photoresponsive azobenzene (Az)-containing polymers leads to development-free formation of surface relief structure. This work shows that this method can be applied to a thin film of a diblock copolymer consisting of an Az-containing liquid crystalline segment and poly(ethylene oxide). A corrugated surface structure following the interference periodicity was efficiently formed with the assist of 4'-phenyl-4-cyanobiphenyl (5CB). The content of 5CB greatly influenced the migration efficiency which was evaluated by both the first-order diffraction and surface topology measurements.

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    • Photocontrolled microphase separation of block copolymers in two dimensions Peer-reviewed

      S Kadota, K Aoki, S Nagano, T Seki

      JOURNAL OF THE AMERICAN CHEMICAL SOCIETY127 ( 23 ) 8266 - 8267   6 2005

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      DOI: 10.1021/ja051200j

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    • Photo-orientation of mesoporous silica thin films on photocrosslinkable polymer films Peer-reviewed

      H Fukumoto, S Nagano, N Kawatsuki, T Seki

      ADVANCED MATERIALS17 ( 8 ) 1035 - +   4 2005

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      A photocrosslinkable polymer liquid crystal (PPLC) can be used to form aligned mesoporous silica thin films. Crosslinking the biphenyl mesogens with linearly polarized UV light results in a photo-oriented film whose orientational order is subsequently increased by annealing. Addition of a precursor sol produces high-quality silica films (see Figure) which can be used for optical devices that incorporate functional dyes or metal clusters into the channels.

      DOI: 10.1002/adma.200401418

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    • Synthesis of Photo-aligned Mesoporous Silica Thin Films on Photo-crosslinkable Polymer Film Peer-reviewed

      Haruhiko Fukumoto, Shusaku Nagano, Nobuhiro Kawatsuki, Takahiro Seki

      Transactions of the Materials Research Society Japan30 ( 2 ) 361   2005

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    • 2D Nanophase Separation in Monolayers of Triblock Copolymer Having Azobenzene Moiety Peer-reviewed

      Sohei Kadota, Shusaku Nagano, Takahiro Seki

      Transactions of the Materials Research Society Japan30 ( 3 ) 659   2005

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    • Ideal Spread Monolayer of Fully Hydrophobic Polysilane, Poly(methyloctylsilane), with the Assist of Liquid Crystal Monolayer Peer-reviewed

      Shusaku Nagano, Takahiro Seki

      Transactions of the Materials Research Society Japan30 ( 3 ) 663   2005

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    • Light-driven organized layer materials Peer-reviewed

      T Seki, S Nagano, Y Kawashima, N Zettsu, T Ubukata

      MOLECULAR CRYSTALS AND LIQUID CRYSTALS430   107 - +   2005

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      Organized molecular systems provide alluring light-driven actuation systems. They can be migrated or deformed themselves or control states of other ordered materials. This paper presents our two recent topics on light-driven organized monolayers and thin films comprising photochromic azobenzene-containing liquid crystalline polymers; i) photo- alignment of nanochannels in mesoporous silica film, and ii) light-triggered instant mass migration in a thin film state, which can be utilized as a conveyance system for micropatterning of light-inert molecules and materials.

      DOI: 10.1080/15421400590946235

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    • Sharp temperature dependency of spreading behavior in amphiphilic block copolymers at the air-water interface

      Takayuki Uekusa, Shusaku Nagano, Takahiro Seki

      Polymer Preprints, Japan54 ( 2 ) 3557   2005

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      We report characteristic spreading behavior of amphiphilic block copolymer, polystyrene-block-poly(4-vinyl pyridine) (PS-P4VP) at the air-water interface. When the polymer was spread from cyclohexane, a theta solvent for PS, onto the air-water interface, an unexpected sharp temperature dependent change was observed in the surface pressure-area curves. The phenomena observed for cyclohexane should involve the coil-globule conformational transition taking place in the theta solvent. In cyclohexane solution, the aggregate size of the block copolymer strongly depends on the solution temperatures. Thus, this work presents an obvious example that the aggregation state of polymer in solution is directly reflected to the 2D spreading behavior at the air-water interface.

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    • Sharp temperature dependent spreading behavior of amphiphilic block copolymers on water

      Takayuki Uekusa, Shusaku Nagano, Takahiro Seki

      Polymer Preprints, Japan54 ( 1 ) 1136   2005

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      We report characteristic spreading behavior of amphiphilic block copolymers, polystyrene-block-poly(4-vinyl pyridine) at the air-water interface. In cyclohexane solution, theta solvent for polystyrene, the aggregates of block copolymers depend on the solution temperature. When they were spread from a cyclohexane solution at the air-water interface, a sharp temperature dependent area change was observed in the surface pressure (π) - area (A) curves. In contrast, when other solvents such as chloroform and toluene etc. were used, no obvious temperature dependency was observed. Thus, it is suggested that the aggregation state in solution strongly reflects the 2D spreading behavior at the air-water interface.

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    • メソポーラス材料の光配向制御 Invited

      関 隆広, 川島康裕, 福本晴彦, 永野修作

      ゼオライト学会誌3   73   2004

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    • 疎水性ポリシラン単分子膜と超薄膜 Invited

      永野修作

      ケイ素化学協会誌7   16   2003

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    • Liquid crystal-assisted engineering of polymer thin films Peer-reviewed

      T Seki, S Nagano, N Zettsu, T Ubukata

      LIQUID CRYSTALS VII5213   154 - 168   2003

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      The hybridization of different types of materials frequently leads to specific performances and structure formation. Our current interest is focused onto dynamic performances photofunctional polymers assisted by hybridized liquid crystal molecules. In this paper, two current topics undergoing in our laboratory are presented. In the former part, monolayer formation of hydrophobic polysilanes assisted by polar calamitic liquid crystal molecules is described, This is the first example of monolayer formation of a fully dydrophobic polymer on water. The latter part shows the marked acceleration of lateral mass migration promoted by photoirradiation in azobenzene-containing polymers. Both systems utilize common and general features of liquid crystals, namely, dynamic properties (fluidity) maintaining orientational order in the molecular assemblies. We show herein the high validity of liquid crystals for thin film processing of polymers.

      DOI: 10.1117/12.509180

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    • Abrupt interfacial transitions of hydrophobic polysilanes as probed via liquid crystal-assisted stepwise deposition

      S Nagano, T Seki

      JOURNAL OF THE AMERICAN CHEMICAL SOCIETY124 ( 10 ) 2074 - 2075   3 2002

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      DOI: 10.1021/ja012105n

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    • Monolayer formation of hydrophobic polysilane on water through hybridization with liquid crystal molecules Peer-reviewed

      S Nagano, T Seki, K Ichimura

      LANGMUIR17 ( 7 ) 2199 - 2205   4 2001

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      The monolayer formation of a hydrophobic polymer, poly(dihexylsilane) (PDHS), on the water surface was performed for the first time through cospreading with a liquid crystal molecule, 4 ' -pentyl-4-cyanobiphenyl (5CB). The spread monolayer formation of PDHS was confirmed by surface pressure-area (pi -A) isotherm measurements, Brewster angle microscopy (BAM), atomic force microscopy (AFM), and W-visible absorption spectroscopy. The cospread film of PDHS and 5CB on water exhibited isotherms giving a new sharp pressure increase attributable to the hybridization of PDHS/5CB. The lift-off area corresponding to this pressure increase was in exact proportion to the mixing ratio (R = [Si unit of PDHS]/[5CB]). BAM revealed a highly homogeneous feature of the hybrid monolayers on water at the lift-off area of the PDHS/5CB hybrid film. The AFM images of these hybrid monolayers transferred onto mica indicated that the thickness of the spread PDHS film on the 5CB monolayer ranges from 1 to 1.5 nm. Most probably, the molecularly spread PDHS backbone is positioned on top of the 5CB monolayer. The hybrid films could be transferred onto a solid substrate. W-visible absorption spectra showed that the Si main chain of PDHS adopts only a helical-gauche (disordered) conformation on both water and a quartz substrate, which shows a sharp contrast with that of the bulk film. On the solid substrate, a preferential orientation of the Si chain was observed in the lifting direction depending on the surface pressure applied for deposition.

      DOI: 10.1021/la001469a

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    • Conformational and alignment behavior of polysilane film mixed with liquid crystal molecule

      S Nagano, T Seki, Kunihiro, I

      MOLECULAR CRYSTALS AND LIQUID CRYSTALS367   3141 - 3148   2001

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      Mixed films containing poly(dihexylsilane) (PDHS) and liquid crystal (LC) molecule were prepared onto a rubbed poly(vinyl alcohol) film by spin-casting. The conformational state and the alignment of the PDHS backbone were investigated by polarized UV-visible absorption spectroscopy. The absorption band ascribed to the crystalline state of PDHS in the mixed film showed a red shift from that of a pure PDHS film. The PDHS backbone in the mixed film was aligned parallel to the rubbing direction. The magnitude of the red shift and the alignment order of PDHS was enhanced by annealing at 60 degreesC in the mixed film with some LC molecules.

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    • Monolayer formation of a hydrophobic polysilane on water surface assisted by liquid crystal molecule Peer-reviewed

      S Nagano, T Seki, K Ichimura

      CHEMISTRY LETTERS ( 6 ) 612 - 613   6 2000

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      A mixed solution of poly(dihexylsilane) and 4'-pentyl-4-cyanobiphenyl (5CB) was spread on pure water. Surface pressure-area isotherm data and Brewster angle microscopy showed that a monomolecular stretching of this hydrophobic polysilane is performed with the assist of 5CB molecule.

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    • ポリジヘキシルシランのコンフォメーションに及ぼす棒状液晶分子の添加効果 Peer-reviewed

      永野修作, 関 隆広, 市村國宏

      高分子論文集56   406-409   1999

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    • Electronic transport in phenyl-substituted polygermane homopolymers and copolymers with polygermanes and polysilanes Peer-reviewed

      K Mochida, S Nagano

      INORGANIC CHEMISTRY COMMUNICATIONS1 ( 8 ) 289 - 291   8 1998

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      Phenyl-substituted polygermane homopolymers (PhMeGe)(n) and copolymers with polysilanes (PhMeGe)(n)(PhMeSi)(m) are found to be excellent photoconductors with a well-defined mobility of about 10(-5) cm(2)/V s. (C) 1998 Elsevier Science S.A. All rights reserved.

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    • Micropattern of GeO2/GeC lines prepared by UV irradiation and heat treatment of polygermane copolymers of methylphenylgermylene/phenylgermyne units Peer-reviewed

      K Mochida, S Nagano, H Kawata, M Wakasa, H Hayashi

      APPLIED ORGANOMETALLIC CHEMISTRY11 ( 12 ) 949 - 955   12 1997

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      Upon ultraviolet irradiation of polygermane copolymers of methylphenylgermylene/phenylgermyne units (PhMeGe)(n)(PhGe)(m) in air, the germanium-germanium bond in the copolymer film changed into a digermoxane chain, Laser flash photolysis of the copolymer film showed the intermediacy of polygermyl radicals generated by Ge-Ge bond homolysis, The XPS showed the formation of germanium carbide (GeC) and germanium dioxide (GeO2) upon heating the unirradiated and irradiated copolymer (PhMeGe)(n)(PhGe)(m) films, respectively, A relatively high-resolution micropattern of GeC/GeO2 was obtained by combining the photochemical and thermal properties of the copolymers of methylphenylgermylene/phenylgermyne units. (C) 1997 John Wiley & Sons, Ltd.

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    • Photodegradation of thin films of polygermanes Peer-reviewed

      K Mochida, S Nagano, H Kawata, M Wakasa, H Hayashi

      JOURNAL OF ORGANOMETALLIC CHEMISTRY542 ( 1 ) 75 - 79   9 1997

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      Language:English   Publishing type:Research paper (scientific journal)   Publisher:ELSEVIER SCIENCE SA LAUSANNE  

      Upon ultraviolet irradiation of thin films of linear polygermanes in air, the germanium-germanium bond in thin films of polygermanes changed into digermoxane chains. The laser flash photolysis of the linear polygermane films showed the formation of polygermyl radicals generated by germanium-germanium bond homolysis as reactive intermediates during photodegradation. (C) 1997 Elsevier Science S.A.

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    • Nonlinear optical susceptibility of oligo- and polygermanes Peer-reviewed

      K Mochida, S Nagano, S Maeyama, T Kodaira, A Watanabe, O Ito, M Matsuda

      BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN70 ( 3 ) 713 - 716   3 1997

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      Third-order nonlinear susceptibilities (chi((3))) for thin films of oligo- and polygermanes were measured in the range of 0.6-86x10(-12) esu. A measured chi((3)) of 86 x 10(-12) esu for a polygermane-polysilane random copolymer, coploy(methylphenylsilylene/methylphenylgermylene), was the largest ever reported for transparent polymers in the visible spectral region.

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    • Third-order Nonlinear Optical Properties of Thin Film of Organogermane Homopolymers and Copolymer with Organosilane Peer-reviewed

      T. Kodaira, A. Watanabe, O. Ito, M. Matsuda, S. Tokura, M. Kira, S. Nagano, K. Mochida

      Adv. Mater.7   917-918   1995

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    Misc.

    • PA17 Vertical orientation control and functionalization of organic-inorganic hybrid nanostructure by liquid crystal phase transition in anisotropic field

      WAKITANI Naoyuki, HARA Mitsuo, NAGANO Shusaku, SEKI Takahiro

      Proceedings of Japanese Liquid Crystal Society Annual meeting2015   _PA17 - 1_-_PA17-2   2015

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      As Brij 56 (a typical non-ionic surfactant consisting of polyoxyethylene cetyl ether) exhibits a lyotropic liquid crystalline nature in a water system, we used the lyotropic phase as a nanotemplate via a sol-gel reaction. Submicron-thick Brij 56/silica hybrid films were prepared from Brij 56/tetraethoxysilane precursors with various molar ratios onto glass or silicon substrates by spincast method. The resulting films were characterized by grazing-incidence small-angle X-ray scattering measurements, and transmission electron microscope observations. As a result, the films had ordered-nanostructures derived from the lyotropic phase of Brij 56. In particular, the nanostructures aligned perpendicular to the substrate in case that the weight content of Brij 56 in the hybrid film was equal to the amounts between a micellar cubic phase and a hexagonal phase.

      DOI: 10.11538/ekitou.2015.0__PA17

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    • Preparation and application of vertically aligned mesoporous t itania film templated by amphiphilic block copolymer

      Oguri Ryota, Hara Mitsuo, Nagano Shusaku, Seki Takahiro

      Proceedings of Japanese Liquid Crystal Society Annual meeting2014   PB13   2014

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      Language:Japanese   Publisher:THE JAPANESE LIQUID CRYSTAL SOCIETY  

      <p> Organic/inorganic hybrid films were prepared onto substrates by spin-coating of mixtures of an amphiphilic block copolymer, polystyrene-block-poly(ethylene oxide) dib lock copolymer, and alkoxy titanium via evaporation-mediated direct templating process. After calcination of the resulting films, field emission-scanning electron microscope observations and grazing-incidence small-angle X-ray scattering measurements were performed. As a result, the calcinated films possessed the vertically aligned mesopores. The vertically aligned mesoporous titania films are used as a titania electrode in a dye-sensitized solar cell. Incident photon -to-current efficiency of the vertically -aligned mesoporous titania films have approximately 4 times improvement as compared to one of non-mesostructured titania films.</p>

      DOI: 10.11538/ekitou.2014.0_PB13

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    • Control of orientations and structures of polymers and their assembIies at interfaces

        50 ( 5 ) 165 - 175   5 2012

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    • Forum Report for LC Chemistry and Materials Research Forum 2011

      NAGANO Shusaku

        16 ( 2 ) 155 - 156   25 4 2012

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    • 22pTG-9 Mobility anisotropy of ultrathin-film transistors of MEH-PPV with controlled in-plane chain orientations

      Watanabe S., Bito Y., Tanaka H., Ito H., Kuroda S., Tomikawa H., Toda A., Nagano S., Seki T.

      Meeting abstracts of the Physical Society of Japan66 ( 2 ) 871 - 871   24 8 2011

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    • 23pRL-8 Field-induced ESR observations of polymeric ultrathin-film transistors with highly controlled in-plane chain orientations

      Watanabe S., Bito Y., Tanaka H., Ito H., Kuroda S., Tomikawa H., Toda A., Nagono S., Seki T.

      Meeting abstracts of the Physical Society of Japan65 ( 2 ) 786 - 786   18 8 2010

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    • Formation of highly ordered surface micelle films for block copolymer and application

        61 ( 8 ) 590 - 595   8 2010

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    • Formation of highly ordered surface micelle films for block copolymer and application

        61 ( 8 ) 590 - 595   8 2010

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    • 21pGS-9 Field-induced ESR study of molecular orientations in polymeric field-effect transistors using in-plane preferential oriented films

      Watanabe S., Tanaka H., Ito H., Kuroda S., Toda A., Nagono S., Seki T.

      Meeting abstracts of the Physical Society of Japan65 ( 1 ) 889 - 889   1 3 2010

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    • 高配向ポリチオフェン単分子膜の電気伝導特性の評価とクーロンブロッケードの発現について

      奥秋裕介, 赤井恵, 齋藤彰, 永野修作, 桑原裕司

      精密工学会関西地方定期学術講演会講演論文集2010   2010

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    • Light-assisted control of meso- and micro-level structures in polymer thin films

      SEKI Takahiro, NAGANO Shusaku

      Photochemistry40 ( 3 ) 188 - 192   16 12 2009

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    • 26aYD-3 Field-induced ESR observations of the FET devices using ultrathin films of regioregular poly(3-hexylthiophene)

      Watanabe S., Tanaka H., Ito H., Kuroda S., Toda A., Nagono S., Seki T.

      Meeting abstracts of the Physical Society of Japan64 ( 2 ) 748 - 748   18 8 2009

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    • Photocontrol of nanostructures and orientations in 2D systems utilizing photochromism

      Function & materials27 ( 8 ) 26 - 33   8 2007

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    • What are you looking for?

      NAGANO Shusaku

      Kobunshi55 ( 11 ) 904 - 904   1 11 2006

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      Language:Japanese   Publisher:The Society of Polymer Science, Japan  

      DOI: 10.1295/kobunshi.55.904

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    • Spread Monolayer Formation of Hydrophobic Polymers with the Assist of Low-Molecular-Weight Compounds

      NAGANO Shusaku

        55 ( 1 ) 31 - 33   24 5 2006

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    • Mass Transport Mechanism for Phototriggered Surface Relief Formation in Liquid Crystalline Azobenzene Copolymers

      ISAYAMA Jun, OGSAWARA Toshinobu, NAGANO Shusaku, SEKI Takahiro

      Proceedings of Japanese Liquid Crystal Society Annual meeting2006   177 - 177   2006

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      We have newly designed and synthesized a family of copolymers containing a hexyl acrylate and an azobenzene monomer prepared at various mixing ratios. In this series, the phototriggered relief formation of the polymers could be discussed simply on the basis of their thermal properties because complicated factors such as nanophase separation and aggregation of azobenzenes are suppressed for the polymers. When the polymer films were irradiated with UV light through a photomask, the polymers migrated from dark regions to bright regions, resulting in a formation of "hill" structures. Such behavior is different from that found in our previous works.

      DOI: 10.11538/ekitou.2006.0.177.0

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    • Preparation of lyotropic liquid crystals/silica hybrid thin films retaining their self-assembled structures

      HARA Mitsuo, MIZOSHITA Norihiro, NAGANO Shusaku, SEKI Takahiro

      Proceedings of Japanese Liquid Crystal Society Annual meeting2006   156 - 156   2006

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      We prepared silica thin films hybridized with lyotropic liquid crystals by dip-coating of sol mixtures onto a glass substrate. The hybrid films were characterized by X-ray diffraction measurement and UV-Vis spectroscopy. As a result, the hybrid films had immobilized columnar assemblies of lyotropic liquid crystals. Furthermore, we achieved their in-plane orientation in a large area.

      DOI: 10.11538/ekitou.2006.0.156.0

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    • Photomechanical effect of azobenzene liquid crystalline gel impregnated with low molecular weight liquid crystals.

      HAYATA Yuki, NAGANO Shusaku, TAKEOKA Yukikazu, SEKI Takahiro

      Proceedings of Japanese Liquid Crystal Society Annual meeting2006 ( 0 ) 175-175 - 175   2006

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      Crosslinked side-chain liquid crystalline gels thin films containing azobenzene moieties were prepared by photopolymerized under visible light (436 nm) irradiation in the liquid crystalline state. The monodomain and polydomain gels were prepared on a rubbed and non-rubbed polymer film, respectively. Swelling and shrinkage in low molecular weight liquid crystal solvents were induced by the photoisomerization of azobenzene. Because the amount of azobenzene moieties were lowered to 3 wt%, the whole volume changed, and the photoisomerization behavior could be precisely evaluated by optical microscopy and UV-Vis spectroscopy.

      DOI: 10.11538/ekitou.2006.0.175.0

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    • PB19 Nanostructured hybrid films of silica and a chromonic lyotropic liquid crystal

      HARA Mitsuo, FUKUMOTO Haruhiko, MIZOSHITA Norihiro, NAGANO Shusaku, SEKI Takahiro

        ( 2005 ) 327 - 328   5 9 2005

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      We prepared silica films hybridized with a chromonic lyotropic liquid crystal, C. I. Direct Blue (B67), by spin-coating. The hybrid films with 2-(2-aminoethoxy) ethanol (AEE) had ordered structures templated by the columnar assemblies of B67. Such structure of the hybrid films was not observed without AEE. Moreover, we studied the hybrid films by dip-coating. As a result, the hybrid films possessed preferred orientation. The columnar assemblies of B67 were aligned to parallel to dipping direction.

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    • PB27 Preparation and application of the high ordered mesoporous silica thin film on the photo-crosslinkable polymer liquid crystal

      FUKUMOTO Haruhiko, NAGANO Shusaku, KAWATSUKI Nobuhiro, SEKI Takahiro

        ( 2004 ) 382 - 383   26 9 2004

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      Mesoporous silica thin films with aligned mesochannels in one direction at large scales will be applied in optics, electronics, separation technologies etc. We propose herein a new photo-aligning and micro-patterning technique for mesochannels of a silica thin film using a photo-crosslinkable polymer liquid crystal (PPLC) film. The PPLC film was uniaxially oriented by exposure to linearly polarized UV (LPUV) light and annealed at a liquid crystal phase temperature. On the PPLC film, a mesoporous silica thin film was prepared. The orientation of the mesochannels was evaluated by in-plane XRD measurements. It was confirmed that the mesochannels was aligned parallel to the polarized direction of the irradiated LPUV light.

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    • Photopatterning of Mesoporous Silica Thin Films by Vacuum Ultraviolet Irradiation

      KOJIMA Satoshi, HOZUMI Atsushi, NAGANO Shusaku, SEKI Takahiro

      Proceedings of Japanese Liquid Crystal Society Annual meeting2004   185 - 185   2004

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      Publisher:Japanese Liquid Crystal Society  

      Mesoporous silica (MPS) precursor films containing a polymer template were photochemically micropatterned by means of ultraviolet (VUV) irradiation. The resulting 10-m-width micropatterns consisted of MPS and MPS precursor regions. We further modified the latter surfaces using a fluoroalkylsilane. Due to this site-selective hydrophobization, rhodamine 6G molecules dissolved in water were successfully doped selectively into the irradiated MPS regions, as evidenced by absorption and fluorescence spectroscopy, and fluorescence microscope observation.

      DOI: 10.11538/ekitou.2004.0.185.0

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    • 2D nano-phase separation structure of triblock copolymer having azobenzene moiety

      KADOTA Souhei, NAGANO Shusaku, SEKI Takahiro

      Proceedings of Japanese Liquid Crystal Society Annual meeting2004   186 - 186   2004

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      We studied the monolayer nano-phase separation structure of a novel azobenzene-containing ABA triblock copolymer. The target polymers with narrow polydispersity were synthesized from polyethylene glycol and azobenzene methacrylate via ATRP method. Monolayer behaviors of the polymer on water were investigated by surface pressure-dimenssion isotherms at various temperatures. The monolayer was transferred onto a mica substrate. Surface morphologies of the transferred monolayer were evaluated by AFM. The morphology in the azobenzene trans form was significantly different form that in the cis form. We also observed the morphological change of the monolayer on mica induced by photoisomerization of azobenzene under high humidity.

      DOI: 10.11538/ekitou.2004.0.186.0

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    • Monolayer Formation of Hydrophobic Conjugated Polymers with the Assist of Liquid Crystal Molecule

      Nagano Shusaku, Seki Takahiro

      Proceedings of Japanese Liquid Crystal Society Annual meeting2001   59 - 60   2001

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      A hydrophobic polymer alone does not form a spread monolayer on water, but our recent work showed that monolayer formation of a fully hydrophobic polysilane is attained when they are co-spread with a cyanobiphenyl type liquid crystal molecule (5CB). We report herein some extended results of this work using poly(alkylthiophen)s and polystyrene. Spreading behavior and AFM observations revealed the monolayer formation of these polymers, indicating the wide applicability of the liquid crystal-assisted process.

      DOI: 10.11538/ekitou.2001.0_59

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    • Monolayer Formation of Hydrophobic Polymers through Hybridization with Liquid Crystal Molecule

      Nagano Shusaku, Seki Takahiro, Ichimura Kunihiro

      Proceedings of Japanese Liquid Crystal Society Annual meeting2000   147 - 148   2000

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      Language:Japanese   Publisher:Japanese Liquid Crystal Society  

      Hydrocarbon-based hydrophobic polymers on water generally form aggregated particles and do not form spread monolayers. Our recent work showed that hydrophobic polysilanes form all ideal monolayer with the assist of liquid crystal molecule on water. Co-spreading of hydrophobic polysilanes and 4'-pentyl-4-cyanobiphenyl (5CB) provides a hybrid monolayer in which the polymer forms a spread monolayer on top of the 5CB monolayer. This pictue can be verified by the behavior of the surface pressure-area isotherm, Brewster angle microscopy, and atomic force microscopy. The hybrid monolayer can be deposited onto solid substrates having both hydrophilic and hydrophobic surfaces. Onto a hydrophobic substrate surface, only PDHS is deposited and 5CB is expelled from the resulting LB film. This method may open a new clue to the study of ultrathin polymer films.

      DOI: 10.11538/ekitou.2000.0_147

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    • Alignment behavior of Polysilane Film Mixed with Liquid Crystal Molecule on Rubbed Polymer Surface

      Nagano Shusaku, Seki Takahiro, Ichimura Kunihiro

      Proceedings of Japanese Liquid Crystal Society Annual meeting1999   204 - 205   1999

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      Language:Japanese   Publisher:Japanese Liquid Crystal Society  

      The mixed film of a poly(dihexylsilane) (PDHS) with liquid crystal (LC) molecules were prepared by spin-casting of a mixed solution. PDHS was miscible with LC molecules without phase separation to a certain ratio as revealed by DSC analysis and polarized microscope. The PDHS backbone and LC molecule in the mixed film were aligned parallel to the rubbing direction on the rubbed poly(vinyl alcohol) surface as indicated by polarized UV absorption measurements. The order parameter of PDHS backbone in the mixed film was dependent on film thickness. The thinner films gave the better alignment of PDHS main chain. The alignment of PDHS in the mixed fltm with some LC molecules was improved by annealing at 60℃.

      DOI: 10.11538/ekitou.1999.0_204

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    Books and Other Publications

    • 液晶ブロック共重合体薄膜におけるミクロ相分離構造の動的光配向制御”, 光機能性有機・高分子材料における新たな息吹(市村國宏監修)

      永野修作( Role: Joint author)

      シーエムシー出版  2019 

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    • 光配向テクノロジーの開発動向 第4編光配向の新たな展開 第2章有機無機メソ組織体の光配向制御

      原光生, 永野修作, 関隆広( Role: Joint author)

      シーエムシー出版  1 2010 

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      Responsible for pages:102-115   Language:Japanese

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    • 光配向テクノロジーの開発動向 第3編光配向における材料 第2章 高分子超薄膜とナノ構造の光配向制御

      永野修作, 関隆広( Role: Joint author)

      シーエムシー出版  1 2010 

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      Responsible for pages:68-77   Language:Japanese

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    • 次世代共役ポリマーの超階層制御と革新機能 第2編 第12章 疎水性共役高分子の新規分子組織化手法の開発と界面超階層構造の構築

      永野修作, 児玉 誠一郎, 戸田 章雄( Role: Joint author)

      シーエムシー出版  2009 

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      Responsible for pages:190-195   Language:Japanese

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    • 多孔体の精密制御と機能・物性評価,“ポーラスシリカ薄膜”,

      原光生, 永野 修作, 関隆広( Role: Joint author)

      サイエンス&テクノロジー  2008 

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      Responsible for pages:27-35   Language:Japanese

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    • 光機能性高分子材料の新たな潮流-最新技術とその展望-(市村國宏監修), “液晶相を利用したナノ構造体の光配向制御”

      永野修作( Role: Sole author)

      シーエムシー出版  2008 

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      Responsible for pages:317-327   Language:Japanese

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    • 有機薄膜形成とデバイス応用展開(大森 裕 監修),“疎水性共役高分子の単分子膜およびLangmuir-Blodgett集積膜の形成”

      永野修作, 関隆広( Role: Joint author)

      シーエムシー出版  2008 

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      Responsible for pages:119-126   Language:Japanese

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    • 自然に学ぶ材料プロセッシング“ 3.5.3 光を用いた材料プロセッシング”

      永野修作( Role: Joint author)

      三共出版  2007 

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      Responsible for pages:196-206   Language:Japanese

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    • 機能物質の集積膜と応用展開 「二次元相分離パターンの形成と光制御」

      関 隆広, 永野修作( Role: Joint author)

      シーエムシー出版  2006 

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    • 機能物質の集積膜と応用展開 「低分子にてアシストされた疎水性高分子の単分子膜展開法」

      永野修作( Role: Sole author)

      シーエムシー出版  2006 

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    Presentations

    • Anisotropic Proton Transport in Acrylic Acid Containing Liquid Crystalline Polymer Thin Films

      Y. Ishizaki, K. Hirata, Y. Nagao, T. Seki, S. Nagano

      The 4 th International Symposium on Neuromorphic AI Hardware  14 12 2022 

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      Event date: 14 12 2022 - 14 12 2022

      Language:English   Presentation type:Oral presentation (general)  

      Venue:Art Hotel Kokura New Tagawa, Fukuoka  

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    • Thickness-dependent out-of-Plane Orientation Properties in LC azobenzene block copolymers with oligo ethylene glycol side-chain polymer block International conference

      島田 真博, 石崎 裕也, 原 光生, 関 隆広, 永野 修作

      第32回日本MRS年次大会  5 12 2022 

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      Event date: 5 12 2022 - 5 12 2022

      Language:Japanese   Presentation type:Poster presentation  

      Venue:産業貿易センタービル, 神奈川  

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    • Induced highly ordered smectic phase in polymer blends and copolymer with heterogeneous mesogen International conference

      中島 龍長, 肥田 直己, 関 隆広, 永野 修作

      第32回日本MRS年次大会  5 12 2022 

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      Event date: 5 12 2022 - 5 12 2022

      Language:Japanese   Presentation type:Poster presentation  

      Venue:産業貿易センタービル, 神奈川  

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    • Synthesis and photoalignment control of photoresponsive liquid crystal-POSS block copolymers with high liquid crystal temperature International conference

      鈴木 翔斗, 石崎 裕也, 原 光生, 関 隆広, 永野 修作

      第32回日本MRS年次大会  5 12 2022 

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      Event date: 5 12 2022 - 5 12 2022

      Language:Japanese   Presentation type:Poster presentation  

      Venue:産業貿易センタービル, 神奈川  

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    • Photoresponsive Liquid Crystal Polymer Chains Exhibiting Random Planar Orientation and Their Application to In-plane Photoalignment for Microphase Separation Structure

      Shoto Suzuki, Yuya Ishizaki, Mitsuo Hara, Takahiro Seki, Shusaku Nagano

      36th International Microprocesses and Nanotechnology Conference (MNC 2022)  10 11 2022 

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      Event date: 10 11 2022 - 10 11 2022

      Language:English   Presentation type:Poster presentation  

      Venue:徳島クレメントプラザ  

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    • Induced highly ordered smectic phase in side-chain liquid crystalline copolymers and polymer blends with heterogeneous mesogenic interactions

      T. Nakajima, N. Hida, T. Seki, S. Nagano

      36th International Microprocesses and Nanotechnology Conference (MNC 2022)  10 11 2022 

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      Event date: 10 11 2022 - 10 11 2022

      Language:English   Presentation type:Poster presentation  

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    • Proton Conductive Liquid Crystalline Polymer Thin Films with Acrylic Acid Side Chains

      Y. Ishizaki, K. Hirata, Y. Nagao, T. Seki, S. Nagano

      36th International Microprocesses and Nanotechnology Conference (MNC 2022)  9 11 2022 

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      Event date: 9 11 2022 - 9 11 2022

      Language:English   Presentation type:Oral presentation (general)  

      Venue:JR Hotel Clement Tokushima, Japan  

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    • アクリル酸側鎖有する液晶性ランダム共重合体薄膜のプロトン伝導性 International conference

      石﨑 裕也, 平田 和也, 長尾 祐樹, 関 隆広, 永野 修作

      2022年日本液晶学会討論会  14 9 2022 

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      Event date: 14 9 2022 - 14 9 2022

      Language:Japanese   Presentation type:Poster presentation  

      Venue:オンライン開催(香川大学)  

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    • オリゴエチレングリコール側鎖ブロックとアゾベンゼン側鎖ブロックを有する液晶ブロック共重合体の膜厚に依存した面外配向性 International conference

      島田 真博, 石﨑 裕也, 原 光生, 関 隆広, 永野 修作

      2022年日本液晶学会討論会  14 9 2022 

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      Event date: 14 9 2022 - 14 9 2022

      Language:Japanese   Presentation type:Poster presentation  

      Venue:オンライン開催(香川大学)  

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    • ランダムプレーナー配向を示す光応答性側鎖型液晶ブロックコポリマーの調製と光配向 International conference

      廣瀬 陸, 肥田 直己, 小林 未歩, 関 隆広, 永野 修作

      2022年日本液晶学会討論会  14 9 2022 

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      Event date: 14 9 2022 - 14 9 2022

      Language:Japanese   Presentation type:Poster presentation  

      Venue:オンライン開催(香川大学)  

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    • 2元系異種メソゲン側鎖基の共重合および高分子ブレンドによるハイブリッド液晶相の誘起 International conference

      中島 龍長, 肥田 直己, 原 光生, 関 隆広, 永野 修作

      2022年日本液晶学会討論会  14 9 2022 

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      Event date: 14 9 2022 - 14 9 2022

      Language:Japanese   Presentation type:Poster presentation  

      Venue:オンライン開催(香川大学)  

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    • ランダム共重合化による側鎖型液晶高分子のプレーナー配向および高温液晶相の 発現とPOSSブロック共重合体の光配向制御 International conference

      鈴木 翔斗, 石﨑 裕也, 原 光生, 関 隆広, 永野 修作

      2022年日本液晶学会討論会  14 9 2022 

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      Event date: 14 9 2022 - 14 9 2022

      Language:Japanese   Presentation type:Poster presentation  

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    • アクリル酸側鎖を有する液晶性高分子薄膜のプロトン伝導性 International conference

      石﨑 裕也, 平田 和也, 長尾 祐樹, 関 隆広, 永野 修作

      第71回高分子討論会  7 9 2022 

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      Event date: 7 9 2022 - 7 9 2022

      Language:Japanese   Presentation type:Oral presentation (general)  

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    • 側鎖型液晶共重合体および高分子ブレンドにおける異種メソゲン間相互作用によるスメクチックE相の誘起 International conference

      中島 龍長, 肥田 直己, 石﨑 裕也, 原 光生, 関 隆広, 永野 修作

      第71回高分子討論会  5 9 2022 

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      Event date: 5 9 2022 - 5 9 2022

      Language:Japanese   Presentation type:Oral presentation (general)  

      Venue:北海道大学,北海道  

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    • 自己ドープ型ポリチオフェンのリオトロピック液晶性と配向膜の作製 International conference

      大西 質彬, 箭野 裕一, 奥崎 秀典, 永野 修作

      第71回高分子討論会  5 9 2022 

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      Event date: 5 9 2022 - 5 9 2022

      Language:Japanese   Presentation type:Poster presentation  

      Venue:北海道大学,北海道  

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    • 液晶混合展開法を用いた疎水性ポリチオフェンの単分子膜および金ナノ粒子複合膜 International conference

      松田大海, 石崎裕也, 永野修作

      第71回高分子討論会  5 9 2022 

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      Event date: 5 9 2022 - 5 9 2022

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    • 異種メソゲン側鎖型液晶高分子ブレンドによる ハイブリッド液晶相の発現と光相分離 International conference

      小久保 伎, 中島 龍長, 肥田 直己, 石崎 裕也, 原 光生, 関 隆広, 永野 修作

      第71回高分子討論会  5 9 2022 

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      Event date: 5 9 2022 - 5 9 2022

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    • 面外配向性の異なる光応答性側鎖型液晶高分子の調製とミクロ相分離の光配向への応用 International conference

      島田真博, 石崎裕也, 原光生, 関隆広, 永野修作

      第71回高分子討論会  5 9 2022 

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      Event date: 5 9 2022 - 5 9 2022

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    • ランダムプレーナー配向を示す光応答性液晶高分子を有するブロック共重合体の調製と光配向 International conference

      鈴木翔斗, 石崎裕也, 原光生, 関隆広, 永野修作

      第71回高分子討論会  5 9 2022 

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      Event date: 5 9 2022 - 5 9 2022

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    • Photoalignment of random planer orientated photoresponsive liquid crystalline block copolymers with organic-inorganic hybrid structure

      Shoto Suzuki, Naoki Hida, Takahiro Seki, Shusaku Nagano

      Radtech Asia 2022  25 8 2022 

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      Event date: 25 8 2022 - 25 8 2022

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    • アゾベンゼン高分子薄膜表面にて誘起される高次液晶相 International conference

      河上 知良, 滝島 啓介, 原 光生, 永野 修作, 関 隆広

      第71回高分子年次大会  26 5 2022 

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      Event date: 26 5 2022 - 26 5 2022

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      Venue:オンライン開催  

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    • スメクチック液晶性ラメラ構造を形成する高分子薄膜の光配向とプロトン伝導異方性 International conference

      平田和也、Wang Fangfang、長尾 佑樹、末次 輝太、永野 修作

      第71回高分子年次大会  26 5 2022 

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      Event date: 26 5 2022 - 26 5 2022

      Language:English   Presentation type:Oral presentation (general)  

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    • 主鎖が異なる側鎖型液晶高分子ブレンドによるハイブリッド相の誘起 International conference

      中島 龍長, 肥田 直己, 関 隆広, 永野 修作

      第71回高分子年次大会  25 5 2022 

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      Event date: 25 5 2022 - 25 5 2022

      Language:Japanese   Presentation type:Poster presentation  

      Venue:オンライン開催  

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    • エーテル結合をスペーサーに導入した側鎖型液晶高分子の液晶相と液晶構造 International conference

      島田 真博, 肥田 直己, 関 隆広, 永野 修作

      第71回高分子年次大会  25 5 2022 

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      Event date: 25 5 2022 - 25 5 2022

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      Venue:オンライン開催  

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    • 側鎖型液晶性高分子のランダム共重合で誘起される高次液晶相のスペーサー長の検討 International conference

      渋谷 優真, 肥田 直己, 関 隆広, 永野 修作

      第71回高分子年次大会  25 5 2022 

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      Event date: 25 5 2022 - 25 5 2022

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      Venue:オンライン開催  

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    • 高温液晶相を示すランダムプレーナー配向性光応答性側鎖型液晶コポリマーの調製と光配向 International conference

      廣瀬 陸, 小林 未歩, 肥田 直己, 関 隆広, 永野 修作

      第71回高分子年次大会  25 5 2022 

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      Event date: 25 5 2022 - 25 5 2022

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      Venue:オンライン開催  

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    • 光応答性側鎖型液晶高分子相溶系ブレンドの光制御 International conference

      小久保 伎, 中島 龍長, 肥田 直己, 関 隆広, 永野 修作

      第71回高分子年次大会  25 5 2022 

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      Event date: 25 5 2022 - 25 5 2022

      Language:Japanese   Presentation type:Poster presentation  

      Venue:オンライン開催  

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    • Introducing proton conductivity to an azobenzene side-chain liquid crystalline polymer and photoalignment International conference

      Kazuya Hirata, Fangfang Wang, Yuki Nagao, Shusaku Nagano

      The 102nd CSJ Annual Meeting (2022)  23 3 2022 

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      Event date: 23 3 2022 - 23 3 2022

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    • Induced random planar orientation of liquid crystalline copolymer with amphiphilic side-chains by surface segregation of block copolymer International conference

      平田 和也, Wang fangfang, 長尾 祐樹, 永野 修作

      第31回日本MRS年次大会  14 12 2021 

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      Event date: 14 12 2021 - 14 12 2021

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    • Photocontrol of compatible and incompatible phases in photoresponsive side-chain liquid crystalline polymer blends International conference

      小久保 伎, 中島 龍長, 肥田 直己, 関 隆広, 永野 修作

      第31回日本MRS年次大会  14 12 2021 

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      Event date: 14 12 2021 - 14 12 2021

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    • Effect of spacer lengths on appearance of the highly ordered Smectic phases by random copolymerization in side-chain liquid crystalline polymers with binary mesogens International conference

      渋谷 優真, 肥田 直己, 関 隆広, 永野 修作

      第31回日本MRS年次大会  14 12 2021 

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      Event date: 14 12 2021 - 14 12 2021

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    • Induced highly ordered smectic phase in binary polymer blends of liquid crystal polymers with different spacers International conference

      中島 龍長, 肥田 直己, 関 隆広, 永野 修作

      第31回日本MRS年次大会  14 12 2021 

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      Event date: 14 12 2021 - 14 12 2021

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    • Induction of anisotropic mass transfer by controlling liquid crystal orientation and mass transfer direction International conference

      金津 怜央奈, 原 光生, 永野 修作, 関 隆広

      第31回日本MRS年次大会  14 12 2021 

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      Event date: 14 12 2021 - 14 12 2021

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    • Appearances of highly ordered smectic phase by mixing heterogeneous mesogens i n side chain liquid crystal polysiloxane International conference

      肥田 直己, 中島 龍長, 小久保 伎, 原 光生, 永野 修作, 関 隆広

      第31回日本MRS年次大会  14 12 2021 

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      Event date: 14 12 2021 - 14 12 2021

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    • Surface designs of side-chain liquid-crystalline polymer films by surface segregation Invited International conference

      永野 修作

      2021年ナノ構造・物性-ナノ機能・応用部会 合同シンポジウム  2 12 2021 

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      Event date: 2 12 2021 - 2 12 2021

      Language:Japanese   Presentation type:Oral presentation (invited, special)  

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    • Induced highly ordered smectic phases in side-chain liquid crystal polysiloxanes with binary mesogen mixtures by copolymerization and blending

      Naoki Hida, Tatsunaga Nakajima, Takumi Kokubo, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      34th International Microprocesses and Nanotechnology Conference (MNC 2021)  29 10 2021 

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      Event date: 29 10 2021 - 29 10 2021

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    • Anisotropic SRG formation systems in monoaxially oriented liquid crystalline polymer films

      Reona Kanazu, Mitsuo Hara, Syusaku Nagano, Takahiro Seki

      34th International Microprocesses and Nanotechnology Conference (MNC 2021)  29 10 2021 

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      Event date: 29 10 2021 - 29 10 2021

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    • Lyotropic liquid crystal property and organized structure in sulfonated polyimide thin films with oligooxyethylene side chains

      Yuze Yao, Miaomiao Liu, Hayato Watanabe, Mitsuo Hara, Shusaku Nagano, Yuki Nagao

      34th International Microprocesses and Nanotechnology Conference (MNC 2021)  29 10 2021 

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      Event date: 29 10 2021 - 29 10 2021

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    • Induced smectic E phase in binary polymer blends of in side-chain liquid crystal polymers

      Tatsunaga Nakajima, Naoki Hida, Takahiro Seki, Shusaku Nagano

      34th International Microprocesses and Nanotechnology Conference (MNC 2021)  29 10 2021 

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      Event date: 29 10 2021 - 29 10 2021

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    • Proton conductive side-chain liquid crystalline polymer system and photoalignment

      Kazuya Hirata, Wang Fangfang, Yuki Nagao, Takahiro Seki, Shusaku Nagano

      34th International Microprocesses and Nanotechnology Conference (MNC 2021)  29 10 2021 

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      Event date: 29 10 2021 - 29 10 2021

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    • Effect of spacer length on induced SmE phase in side-chain liquid crystalline copolymers by random copolymerization

      Yuma Shibuya, Naoki Hida, Takahiro Seki, Shusaku Nagano

      34th International Microprocesses and Nanotechnology Conference (MNC 2021)  29 10 2021 

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      Event date: 29 10 2021 - 29 10 2021

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    • Photoinduced phase transition of compatible polymer blends of side-chain liquid crystalline polymers containing azobenzene mesogens

      Takumi Kokubo, Tatsunaga Nakajima, Naoki Hida, Takahiro Seki, Shusaku Nagano

      34th International Microprocesses and Nanotechnology Conference (MNC 2021)  29 10 2021 

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      Event date: 29 10 2021 - 29 10 2021

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    • Designed surfaces of side-chain liquid-crystalline polymer films by surface segregation Invited International conference

      永野 修作

      2021年高分子コロキウム  2 10 2021 

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      Event date: 2 10 2021 - 2 10 2021

      Language:Japanese   Presentation type:Oral presentation (invited, special)  

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    • 液晶性高分子薄膜の表面にて形成される高次液晶相 International conference

      河上知良, 滝島啓介, 原 光生, 永野修作, 関 隆広

      2021年日本液晶学会討論会  16 9 2021 

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      Event date: 16 9 2021 - 16 9 2021

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    • カラミチックーディスコチック双液晶性アルコキシアゾベンゼンートリフェニレンエステル結合体のUV光照射下の液晶相転移 International conference

      中村啓人, 真田ひかる, 北川剛史, 田中大介, 古市真梨, 原 光生, 永野修作, 関 隆広, 河合 壯, 服部陽平, 内田欣吾, 清水 洋

      2021年日本液晶学会討論会  15 9 2021 

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      Event date: 15 9 2021 - 15 9 2021

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    • モノマー単位にジアンモニウム塩をもつ直鎖状ポリシロキサンの湿度応答液晶相 International conference

      児玉篤樹, 鷲山祥平, 原 光生, 永野修作, 関 隆広

      2021年日本液晶学会討論会  15 9 2021 

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      Event date: 15 9 2021 - 15 9 2021

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    • 側鎖型液晶性高分子ブレンドによるハイブリッド液晶相のスペーサーの効果 International conference

      中島龍長, 肥田直己, 関 隆広, 永野修作

      2021年日本液晶学会討論会  15 9 2021 

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      Event date: 15 9 2021 - 15 9 2021

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    • ランダムプレーナー配向性側鎖型液晶高分子ブロック共重合体の調製と光配向 International conference

      廣瀬 陸, 肥田直己, 関 隆広, 永野修作

      2021年日本液晶学会討論会  15 9 2021 

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      Event date: 15 9 2021 - 15 9 2021

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    • 側鎖型液晶高分子ハイブリッドの相溶系―非相溶系光スイッチング International conference

      小久保 伎, 中島龍長, 肥田直己, 関 隆広, 永野修作

      2021年日本液晶学会討論会  15 9 2021 

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      Event date: 15 9 2021 - 15 9 2021

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    • オリゴオキシエチレン側鎖を有するスルホン化ポリイミド薄膜におけるリオト ロピック液晶性とプロトン伝導 International conference

      姚 禹澤, Liu Miaomiao, 渡邉隼人, 原 光生, 永野修作, 長尾祐樹

      2021年日本液晶学会討論会  15 9 2021 

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      Event date: 15 9 2021 - 15 9 2021

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    • 液晶性アゾベンゼン高分子薄膜における温度に依存した光物質移動方向 International conference

      金津 怜央奈, 原 光生, 永野 修作, 関 隆広

      第70回高分子討論会  7 9 2021 

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      Event date: 7 9 2021 - 7 9 2021

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    • 異種メソゲンの混合による誘起スメクチック相の発現と液晶配向 International conference

      肥田 直己, 中島 龍長, 小久保 伎, 原 光生, 永野 修作, 関 隆広

      第70回高分子討論会  7 9 2021 

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      Event date: 7 9 2021 - 7 9 2021

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    • 異種メソゲンのランダム共重合化にて発現する側鎖型液晶性高分子の誘起液晶相の構造解析 International conference

      渋谷 優真, 肥田 直己, 肥田 直己, 関 隆広, 永野 修作

      第70回高分子討論会  7 9 2021 

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      Event date: 7 9 2021 - 7 9 2021

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    • プロトン伝導性液晶高分子を志向したアゾベンゼンメソゲン-アクリル酸共重合体の液晶構造 International conference

      平田 和也, 末次輝太, Wang Fangfang, 長尾 祐樹, 関 隆広, 永野 修作

      第70回高分子討論会  7 9 2021 

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      Event date: 7 9 2021 - 7 9 2021

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    • 側鎖型液晶性高分子ブレンドによるハイブリッド液晶相の発現と構造解析 International conference

      中島 龍長, 肥田 直己, 関 隆広, 永野 修作

      第70回高分子討論会  7 9 2021 

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      Event date: 7 9 2021 - 7 9 2021

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    • 光応答性側鎖型液晶高分子ブレンドの相溶-非相溶スイッチング International conference

      小久保 伎, 中島 龍長, 肥田 直己, 関 隆広, 永野 修作

      第70回高分子討論会  7 9 2021 

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      Event date: 7 9 2021 - 7 9 2021

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    • Photoresponsive liquid crystalline polymer brush via block copolymer surface segregation in a binary mixture film

      Koji Mukai, Mitsuo Hara, Takahiro Seki, Shusaku Nagano

      The 38th International Conference of Photopolymer Science and Technology  15 6 2021 

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      Event date: 15 6 2021 - 15 6 2021

      Language:English   Presentation type:Oral presentation (general)  

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    • アゾベンゼンを側鎖に有するポリ(置換メチレン)のキャラクタリゼーション International conference

      河上 知良, 原 光生, 永野 修作, 寄本 佳孝, 下元 浩晃, 井原 栄治, 関 隆広

      第70回高分子学会年次大会  28 5 2021 

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      Event date: 28 5 2021 - 28 5 2021

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    • 吸湿性官能基を導入したメソポーラスシリカ薄膜の調製 International conference

      児玉 篤樹, 原 光生, 永野 修作, 関 隆広

      第70回高分子学会年次大会  28 5 2021 

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      Event date: 28 5 2021 - 28 5 2021

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    • 配向した液晶性アゾベンゼン高分子膜による異方的な光誘起物質現象 International conference

      金津 怜央奈, 北村 一晟, 原 光生, 永野 修作, 関 隆広

      第70回高分子学会年次大会  28 5 2021 

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      Event date: 28 5 2021 - 28 5 2021

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    • アゾベンゼンメソゲンを含む側鎖型液晶高分子の相溶系ブレンドの光相転移 International conference

      小久保 伎, 中島 龍長, 肥田 直己, 関 隆広, 永野 修作

      第70回高分子学会年次大会  28 5 2021 

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      Event date: 28 5 2021 - 28 5 2021

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    • 異種メソゲンのランダム共重合化による高次スメクチック相の誘起 International conference

      渋谷 優真, 牛久 知佳, 肥田 直己, 関 隆広, 永野 修作

      第70回高分子学会年次大会  28 5 2021 

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      Event date: 28 5 2021 - 28 5 2021

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    • 側鎖型液晶高分子ブレンドによるスメクチック E 相の誘起 International conference

      中島 龍長, 肥田 直己, 関 隆広, 永野 修作

      第70回高分子学会年次大会  28 5 2021 

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      Event date: 28 5 2021 - 28 5 2021

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    • 側鎖型液晶性高分子へのプロトン伝導性の付与と光配向 International conference

      平田 和也, 末次 輝太, Wang Fangfang, 長尾 祐樹, 関 隆広, 永野修作

      第70回高分子学会年次大会  28 5 2021 

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      Event date: 28 5 2021 - 28 5 2021

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    • コポリマー化およびポリマーブレンドによる異種メソゲンを混合した液晶性ポリシロキサンの高秩序液晶相の誘起 International conference

      肥田 直己, 中島 龍長, 原 光生, 永野 修作, 関 隆広

      第70回高分子学会年次大会  27 5 2021 

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      Event date: 27 5 2021 - 27 5 2021

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    • 高分子薄膜の表面エンジニアリング Invited International conference

      永野 修作

      高分子鎖デザインがもたらすポリマーサイエンスの再創造 ~ 進化する高分子材料表面・界面制御 Advanced  11 3 2021 

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      Event date: 11 3 2021 - 11 3 2021

      Language:Japanese   Presentation type:Oral presentation (invited, special)  

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    • Study on semi-alicyclic main chain and organized structure in highly proton-conductive sulfonated polyimide thin films

      長尾祐樹, 高倉健作, 小野祐太朗, 末次輝太, 原光生, 永野修作

      応用物理学会秋季学術講演会講演予稿集(CD-ROM)  2021 

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      Event date: 2021 - 2021

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    • Effect of oligooxyethylene side chains on lyotropic liquid crystallinity and proton conduction of sulfonated polyimide thin films

      Yuze Yao, Miaomiao Liu, Hayato Watanabe, Mitsuo Hara, Shusaku Nagano, Yuki Nagao

      Proceedings of Japanese Liquid Crystal Society Annual meeting  2021  THE JAPANESE LIQUID CRYSTAL SOCIETY

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      Event date: 2021 - 2021

      Language:Japanese  

      In this study, we newly synthesized a sulfonated polyimide with oligooxyethylene side chains (APOS-PMDA). The oligooxyethylene groups increased the hydrophilicity of the side chains compared to the reported ASPI-2 with alkyl chains, therefore results in more water adsorption at high humidity range. Under humidified conditions, the newly synthesized polymer thin film exhibited lamellar structure driven by lyotropic liquid crystalline property. The APOS-PMDA thin film showed a proton conductivity of 0.11 S / cm at 95% RH and room temperature. These results provide a new perspective for exploring the influence of side chain properties on lyotropic liquid crystalline property.

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    • Photo-alignment of azobenzene polymers with both thermotropic liquid crystallinity and proton conductivity in thin films

      Hirata Kazuya, Wang Fangfang, Nagao Yuki, Seki Takahiro, Nagano Shusaku

      Proceedings of Japanese Liquid Crystal Society Annual meeting  2021  THE JAPANESE LIQUID CRYSTAL SOCIETY

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      Event date: 2021 - 2021

      Language:Japanese  

      By RAFT polymerization, we prepared side-chain liquid crystalline block copolymers, PHMA-b-P(Az-co-AA), connected P(Az-co-AA) to poly(hexyl methacrylate) (PHMA). Evaluating the synthesized block copolymers of the composition by NMR, we could obtain PHMA100-b-P(Az34-co-AA52) and PHMA50-b-P(Az36-co-AA84). The volume fractions of P(Az-co-AA) block (ΦAz-AA) in two block copolymers were 0.53 and 0.75, respectively. The LC orientations of two block copolymer thin films were analyzed by UV-vis absorption spectroscopy. After annealing, the absorption band due to the mesogenic Az decreased in PHMA50-b-P(Az36-co-AA84) film. This indicates the homeotropic orientation of the mesogenic group in thin films. On the other hand, in PHMA100-b-P(Az34-co-AA52) film, the absorbance of the band was almost unchanged, suggesting that PHMA100-b-P(Az34-co-AA52) adopts the random planar orientation in a thin film.

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    • 光応答性液晶高分子へのプロトン伝導性付与と配向スイッチング

      末次輝太, 原光生, 関隆広, 長尾祐樹, 永野修作

      繊維学会予稿集  5 6 2019 

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      Event date: 5 6 2019 - 5 6 2019

      Language:Japanese  

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    • Influence of Organized Structure and High Proton Conduction by Hydrophobic Group Introduction in Sulfonated Polyimide Thin Films

      NAGAO Yuki, TANAKA Teppei, SUETSUGU Kota, HARA Mitsuo, NAGANO Shusaku

      日本化学会春季年会講演予稿集(CD-ROM)  1 3 2019 

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      Event date: 1 3 2019 - 1 3 2019

      Language:English  

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    • Effect of alkyl side chain lengths on organized structure and proton transport in sulfonated polyimide thin films

      HONBO Tetsuya, ONO Yutaro, SUETSUGU Kota, HARA Mitsuo, NAGANO Shusaku, NAGAO Yuki

      日本化学会春季年会講演予稿集(CD-ROM)  1 3 2019 

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      Event date: 1 3 2019 - 1 3 2019

      Language:English  

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    • Influence of humidity for the Layer‐by‐layer film growth of MOFs

      MATSUZAWA Toshitaka, SUETSUGU Kota, HARA Mitsuo, NAGANO Shusaku, NAGAO Yuki

      日本化学会春季年会講演予稿集(CD-ROM)  1 3 2019 

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      Event date: 1 3 2019 - 1 3 2019

      Language:English  

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    • 導電性高分子薄膜の分子配向構造の 深さ方向解析 Invited International conference

      永野修作

      第2回 シンクロトロン光産業利用セミナー  28 1 2019 

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      Language:Japanese   Presentation type:Oral presentation (invited, special)  

      Venue:愛知県産業労働センター「ウインクあいち」  

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    • Lyotropic liquid crystal property and organized structure in high proton-conductive semi-alicyclic sulfonated polyimide thin films

      YAO Yuze, 渡邉隼人, 原光生, 永野修作, 長尾祐樹

      日本液晶学会討論会講演予稿集(CD-ROM)  2019 

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      Event date: 2019 - 2019

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    • POSS側鎖とアゾベンゼン側鎖からなるランダム共重合体の高秩序スメクチック相 International conference

      永野修作

      第28回日本MRS年次大会  18 12 2018 

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      Venue:北九州国際会議場  

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    • 液晶アゾベンゼン側鎖とオリゴメチルメタクリレート側鎖を持つブラシ型ランダム共重合体の液晶性とラメラ構造 International conference

      東 瞭太, 原 光生, 永野 修作, 関 隆広

      第28回日本MRS年次大会  18 12 2018 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:北九州国際会議場  

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    • キラル部位を有するアゾベンゼン液晶ブロックコポリマーの光配向挙動 International conference

      上田 茉莉菜, 原 光生, 永野 修作, 関 隆広

      第28回日本MRS年次大会  18 12 2018 

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      Venue:北九州国際会議場  

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    • 液晶高分子薄膜上で形成される光クレーター挙動 International conference

      大石 和明, 北村 一晟, 原 光生, 永野 修作, 関 隆広

      第28回日本MRS年次大会  18 12 2018 

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      Venue:北九州国際会議場  

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    • 水溶性ポリシロキサンにおけるリオトロピック液晶のオンデマンド相転移と光固定化 International conference

      飯島 雄太, 原 光生, 永野 修作, 関 隆広

      第28回日本MRS年次大会  18 12 2018 

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      Venue:北九州国際会議場  

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    • 光応答性液晶基とアクリル酸が形成するヘテロスメクチックラメラ構造の配向制御とプロトン伝導性 International conference

      末次 輝太, 原 光生, 永野 修作, 関 隆広

      第28回日本MRS年次大会  18 12 2018 

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      Venue:北九州国際会議場  

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    • 液晶基および液晶基を有するスメクチック液晶ランダム共重合体によって誘起される距離秩序ヘテロラメラ構造 International conference

      滝島 啓介, 原 光生, 永野 修作, 関 隆広

      第28回日本MRS年次大会  18 12 2018 

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      Venue:北九州国際会議場  

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    • 自己集合形成する液晶性高分子高密度ブラシ構造の高分子賦形表面への導入 International conference

      向井 孝次, 原 光生, 永野 修作, 関 隆広

      第28回日本MRS年次大会  18 12 2018 

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      Venue:北九州国際会議場  

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    • 側鎖型液晶高分子へのプロトン伝導性付与と配向スイッチング Invited International conference

      永野修作

      表面技術協会 関東支部 第95回講演会  18 12 2018 

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      Language:Japanese   Presentation type:Oral presentation (invited, special)  

      Venue:信州大学 国際科学イノベーションセンター  

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    • Photoinduced Mass Transfer by the Surface Tension Difference Fabricated by Inkjet Printing on Polymer Films

      Issei Kitamura, Kazuaki Oishi, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      The 12th SPSJ International Polymer Conference (IPC 2018)  4 12 2018 

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      Venue:広島国際会議場  

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    • Alignment and morphology inductions of liquid crystalline polymer films commanded from the free surface

      Takahiro Seki, Mitsuo Hara, Shusaku Nagano

      The 12th SPSJ International Polymer Conference (IPC 2018)  4 12 2018 

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      Venue:広島国際会議場  

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    • 光応答性液晶基とアクリル酸からなるランダム共重合体が形成する長距離秩序スメクチック相の配向制御とプロトン伝導度

      末次輝太, 後藤陵介, 原光生, 永野修作, 長尾祐樹, 関隆広

      中部化学関係学協会支部連合秋季大会講演予稿集  3 11 2018 

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      Event date: 3 11 2018 - 3 11 2018

      Language:Japanese  

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    • 表面・界面から考える液晶性高分子の配向構造 Invited International conference

      永野修作

      第12回超分子若手懇談会  11 10 2018 

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      Venue:ゆのくに天祥, 加賀市, 石川  

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    • 調湿下のプロトン伝導性高分子薄膜の構造 ~中性子反射率測定と斜入射X線散乱測定~ Invited International conference

      永野修作

      CROSS 第2回調湿環境下ポリマーサイエンス研究会  1 10 2018 

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      Venue:八重洲 東京  

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    • Surface and interface designs of side-chain liquid-crystalline polymer films for photoalignment by block copolymer surface segregation Invited International conference

      Shusaku Nagano

      18th International Symposium on Advanced Organic Photomics(ISAOP-18)  25 9 2018 

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      Venue:山形大学  

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    • スメクチック液晶側鎖とかご型シロキサン側鎖を持つランダム共重合体の長距離秩序ラメラ構造の発現と配向制御 International conference

      永野 修作, 永井 美帆, 原 光生, 関 隆広

      第79回応用物理学会秋季学術講演会  18 9 2018 

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      Venue:名古屋国際会議場  

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    • 自己集合形成する液晶性高分子高密度ブラシ膜の高分子賦形構造表面への導入 International conference

      向井 孝次, 原 光生, 永野 修作, 藪 浩, 関 隆広

      第67回高分子討論会  12 9 2018 

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      Venue:北海道大学  

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    • 高分子薄膜上の微細インクジェット描画パターンを起点とする表面誘起物質移動現象 International conference

      北村 一晟, 大石 和明, 原 光生, 永野 修作, 関 隆広

      第67回高分子討論会  12 9 2018 

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      Venue:北海道大学  

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    • 湿度応答性ポリシロキサンを利用した有機無機複合膜中のリオトロピック液晶相制御 International conference

      原 光生, 折戸 大輝, 脇谷 尚幸, 永野 修作, 関 隆広

      第67回高分子討論会  12 9 2018 

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      Venue:北海道大学  

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    • 高プロトン伝導性スルホン化ポリイミド薄膜における構造規則性と分子量の相関

      長尾祐樹, 小野祐太朗, 高倉健作, 後藤崚介, 末次輝太, 原光生, 永野修作, 安部隆

      応用物理学会秋季学術講演会講演予稿集(CD-ROM)  5 9 2018 

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      Event date: 5 9 2018 - 5 9 2018

      Language:Japanese  

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    • Vertical Orientation of Organic-Inorganic Mesostructures via CubicCylinder Phase Transition

      Mitsuo Hara, Yuko Kama, Shusaku Nagano, Takahiro Seki

      2018 KJF International Conference on Organic Materials for Electronics and Photonics (KJF-ICOMEP 2018)  4 9 2018 

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      Language:English   Presentation type:Poster presentation  

      Venue:長良川国際会議場  

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    • Construction of composite liquid crystalline polymer brushes by surface segregation and self-assembly of amphiphilic copolymers

      Bingie Wang, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      2018 KJF International Conference on Organic Materials for Electronics and Photonics (KJF-ICOMEP 2018)  4 9 2018 

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      Language:English   Presentation type:Poster presentation  

      Venue:長良川国際会議場  

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    • Fixation of Humidity-Responsive Azobenzene Aggregates

      Yuta Iijima, Mitsuo Hara, Nagano Shusaku, Takahiro Seki

      2018 KJF International Conference on Organic Materials for Electronics and Photonics (KJF-ICOMEP 2018)  4 9 2018 

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      Venue:長良川国際会議場  

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    • Long-range Ordered Lamellar Structure Induced by Hetero Smectic LC Random Copolymers with Mesogenic and Non-mesogenic Side Chain

      Keisuke Takishima, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      2018 KJF International Conference on Organic Materials for Electronics and Photonics (KJF-ICOMEP 2018)  4 9 2018 

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      Venue:長良川国際会議場  

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    • Hetero-Smectic Structure of Random Copolymers with Azobenzene and Oligo(Methyl Methacrylate) Side Chains

      Ryota Higashi, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      2018 KJF International Conference on Organic Materials for Electronics and Photonics (KJF-ICOMEP 2018)  4 9 2018 

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      Venue:長良川国際会議場  

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    • Photoinduced Cratering Behavior Formed on Liquid Crystalline (LC) Polymer Thin Film

      Kazuaki Oishi, Issei Kitamura, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      2018 KJF International Conference on Organic Materials for Electronics and Photonics (KJF-ICOMEP 2018)  4 9 2018 

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      Venue:長良川国際会議場  

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    • Unique Wettability of Humidity-Sensitive Polysiloxane Ultrathin Film

      Yuuma Ueno, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      2018 KJF International Conference on Organic Materials for Electronics and Photonics (KJF-ICOMEP 2018)  4 9 2018 

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      Language:English   Presentation type:Poster presentation  

      Venue:長良川国際会議場  

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    • Thermochromic behavior and the degree of crystallinity for P3HT nanoparticles by reprecipitation

      Kota Suetsugu, Ryosuke Goto, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      2018 KJF International Conference on Organic Materials for Electronics and Photonics (KJF-ICOMEP 2018)  4 9 2018 

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      Venue:長良川国際会議場  

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    • Considerations of Photoreorientation Behaviors in Photoresponsive LC Block Copolymer Thin Films with Molecular Chirality

      Marina Ueda, Mitsuo Hara, Shusaku Nagano, Takahiro Sek

      2018 KJF International Conference on Organic Materials for Electronics and Photonics (KJF-ICOMEP 2018)  4 9 2018 

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      Venue:長良川国際会議場  

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    • Orientation control azobenzene cyanobiphenyl higher ordering smectic phase photoresponsive liquid crystal polymer

      Ryota Imanishi, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      2018 KJF International Conference on Organic Materials for Electronics and Photonics (KJF-ICOMEP 2018)  4 9 2018 

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      Venue:長良川国際会議場  

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    • High-density polymer brushes via surface segregation of liquid-crystalline azobenzene block copolymers

      Koji Mukai, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      2018 KJF International Conference on Organic Materials for Electronics and Photonics (KJF-ICOMEP 2018)  4 9 2018 

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      Language:English   Presentation type:Poster presentation  

      Venue:長良川国際会議場  

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    • Photoinduced Crater Pattern by the Surface Tension Difference Fabricated by Inkjet Printing on Photoresponsive Liquid Crystalline Polymer

      Issei Kitamura, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      2018 KJF International Conference on Organic Materials for Electronics and Photonics (KJF-ICOMEP 2018)  4 9 2018 

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      Venue:長良川国際会議場  

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    • 側鎖型液晶性高分子のランダム共重合体により発現する高秩序構造 International conference

      永野 修作, 永井 美帆, 今西 亮太, 原 光生, 関 隆広

      2018年日本液晶学会討論会  4 9 2018 

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      Language:Japanese   Presentation type:Oral presentation (general)  

      Venue:岐阜大学  

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    • キラリティを導入したアモルファス-液晶ブロック共重合体薄膜における光再配向挙動 International conference

      上田 茉莉菜, 原 光生, 永野 修作, 関 隆広

      2018年日本液晶学会討論会  4 9 2018 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:岐阜大学  

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    • アゾベンゼンモノマーとアクリル酸のランダム共重合体が形成するヘテロスメクチックラメラ構造の配向制御とプロトン伝導度 International conference

      末次 輝太, 後藤 崚介, 原 光生, 永野 修作, 関 隆広

      2018年日本液晶学会討論会  4 9 2018 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:岐阜大学  

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    • ランダム共重合化により発現する長距離秩序ヘテロスメクチック構造 International conference

      滝島 啓介, 原 光生, 永野 修作, 関 隆広

      2018年日本液晶学会討論会  4 9 2018 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:岐阜大学  

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    • 液晶アゾベンゼン側鎖とオリゴメチルメタクリレート側鎖をもつブラシ型ランダム共重合体の合成と液晶ラメラ構造 International conference

      東 瞭太, 原 光生, 永野 修作, 関 隆広

      2018年日本液晶学会討論会  4 9 2018 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:岐阜大学  

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    • 異なる配向性を有するメソゲンの共重合化による光応答性液晶高分子の液晶高次構造の発現と配向制御 International conference

      今西 亮太, 原 光生, 永野 修作, 関 隆広

      2018年日本液晶学会討論会  4 9 2018 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:岐阜大学  

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    • スルホン化ポリイミド薄膜における主鎖剛直性とプロトン伝導

      長尾祐樹, 高倉健作, 小野祐太朗, 後藤崚介, 末次輝太, 原光生, 永野修作, 安部隆

      高分子学会予稿集(CD-ROM)  29 8 2018 

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      Event date: 29 8 2018 - 29 8 2018

      Language:Japanese  

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    • 吸湿性を有するアゾベンゼン誘導体薄膜の光配向制御と固定化 International conference

      飯島雄太, 増田彩花, 原光生, 永野修作, 関隆広

      第165回東海高分子研究会講演会  24 8 2018 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:蒲郡市 鈴岡旅館  

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    • ランダム共重合化により誘起される長距離秩序ヘテロスメクチック相 International conference

      滝島啓介, 原光, 永野修作, 関隆広

      第165回東海高分子研究会講演会  24 8 2018 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:蒲郡市 鈴岡旅館  

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    • 液晶アゾベンゼン側鎖とオリゴメチルメタクリレート側鎖を持つランダム共重合体の液晶性とラメラ構造 International conference

      東瞭太, 原光生, 永野修作, 関隆広

      第165回東海高分子研究会講演会  24 8 2018 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:蒲郡市 鈴岡旅館  

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    • Photoinduced cratering behavior in liquid crystalline polymer heterointerfaces

      Kazuaki Oishi, Issei Kitamura, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      27th International Liquid Crystal Conference (ILCC2018)  22 7 2018 

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      Language:English   Presentation type:Poster presentation  

      Venue:京都国際会館  

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    • High-density polymer brush formation by surface segregation and self-assembly of liquid-crystalline block copolymer

      Koji Mukai, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      27th International Liquid Crystal Conference (ILCC2018)  22 7 2018 

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      Venue:京都国際会館  

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    • Orientation in SCLC random copolymers composed of different orientation mesogens and utilization to free surface command system

      Ryota Imanishi, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      27th International Liquid Crystal Conference (ILCC2018)  22 7 2018 

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      Venue:京都国際会館  

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    • Photoinduced Crater Pattern by the Surface Heterostructure Fabricated by Inkjet Printing on Liquid Crystalline Polymer Films

      Issei Kitamura, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      27th International Liquid Crystal Conference (ILCC2018)  22 7 2018 

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      Venue:京都国際会館  

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    • Hetero-Smectic Structure of Random Copolymers with Azobenzene and Oligo(Methyl Methacrylate) Side Chains

      Ryota Higashi, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      27th International Liquid Crystal Conference (ILCC2018)  22 7 2018 

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      Venue:京都国際会館  

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    • Consideration of optical reorientation behavior of photoresponsive LC block copolymer with chirality

      Marina Ueda, Mitsuo Hara, Shusaku Nagano, Takahiro Sek

      27th International Liquid Crystal Conference (ILCC2018)  22 7 2018 

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      Venue:京都国際会館  

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    • Long-range Ordered Hetero Lamellar Structure Induced by Random Copolymers with Mesogenic and Non-mesogenic Side Chain

      Keisuke Takishima, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      27th International Liquid Crystal Conference (ILCC2018)  22 7 2018 

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      Venue:京都国際会館  

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    • Photoalighnment and Proton Conductivity of Hetero-Smectic Lamellar Structure of LC Random Copolymer with Azobenzene monomer and acrylic acid

      Kota Suetsugu, Ryosuke Goto, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      27th International Liquid Crystal Conference (ILCC2018)  22 7 2018 

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      Venue:京都国際会館  

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    • Perparation of P3HT nanoparticles and the composite films with n-type organic semiconductor

      Kota Suetsugu, Mitsuo Hara, ShusakuNagano, Akito Masuhara, Takahiro Seki

      22th International Symposion Advanced Display Materials and Devices (ADMD2018)  11 7 2018 

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      Venue:済州島、韓国  

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    • Photoorientation behaviors of liquid crystalline azobenzene block copolymers with chrality

      Marina Ueda, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      22th International Symposion Advanced Display Materials and Devices (ADMD2018)  11 7 2018 

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      Venue:済州島、韓国  

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    • Photoinduced Crater Pattern by the Surface Heterostructure Fabricated by Inkjet Printing on Photoresponsive Liquid Crystalline Polymer Films

      Issei Kitamura, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      The 3rd International Conference on Photoalignment and Photopatterning in Soft Materials (PhoSM 2018)  11 6 2018 

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      Venue:Tampere, Finland  

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    • Orientation in SCLC random copolymers composed of two contrasting orientation mesogens and utilization to free surface command system

      Ryota Imanishi, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      The 3rd International Conference on Photoalignment and Photopatterning in Soft Materials (PhoSM 2018)  11 6 2018 

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      Venue:Tampere, Finland  

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    • High-density polymer brush formation via surface segregation and self-assembly of liquid-crystalline block copolymer

      Koji Mukai, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      The 3rd International Conference on Photoalignment and Photopatterning in Soft Materials (PhoSM 2018)  11 6 2018 

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      Venue:Tampere, Finland  

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    • Photoinduced crater pattern formation by surface heterostructure fabricated by inkjet printing on polymer films International conference

      Issei Kitamura, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      高分子学会年次大会  23 5 2018 

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      Language:English   Presentation type:Oral presentation (general)  

      Venue:名古屋国際会議場  

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    • ランダム共重合により発現する長距離秩序スメクチック相 International conference

      滝島 啓介, 原 光生, 永野 修作, 関 隆広

      高分子学会年次大会  23 5 2018 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:名古屋国際会議場  

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    • メソゲンの共重合化による光応答性液晶高分子の液晶高次構造の発現と配向制御 International conference

      今西 亮太, 原 光生, 永野 修作, 関 隆広

      高分子学会年次大会  23 5 2018 

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      Venue:名古屋国際会議場  

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    • アゾベンゼンモノマーとアクリル酸のランダム共重合体のヘテロスメクチックラメラ構造の形成と光配向制御 International conference

      末次 輝太, 後藤 峻介, 原 光生, 永野 修作, 関 隆広

      高分子学会年次大会  23 5 2018 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:名古屋国際会議場  

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    • 液晶高分子薄膜表面に形成した高分子ヘテロ細線の光クレーター形成挙動 International conference

      大石 和明, 北村 一晟, 原 光生, 永野 修作, 関 隆広

      高分子学会年次大会  23 5 2018 

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      Venue:名古屋国際会議場  

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    • キラルメソゲンを有する光応答性液晶高分子の光配向挙動 International conference

      上田 茉莉菜, 原 光生, 永野 修作, 関 隆広

      高分子学会年次大会  23 5 2018 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:名古屋国際会議場  

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    • アゾベンゼン側鎖とオリゴメチルメタクリレート側鎖をもつランダム共重合体の合成と液晶ラメラ構造 International conference

      東 瞭太, 原 光生, 永野 修作, 関 隆広

      高分子学会年次大会  23 5 2018 

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      Language:Japanese   Presentation type:Oral presentation (general)  

      Venue:名古屋国際会議場  

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    • 吸湿性アゾベンゼン誘導体薄膜の調製と分子配向評価 International conference

      増田 彩花, 原 光生, 永野 修作, 関 隆広

      高分子学会年次大会  23 5 2018 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:名古屋国際会議場  

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    • 脱濡れした液晶性ブロック共重合体が高分子表面で形成するポリマーブラシ構造 International conference

      向井 孝次, 原 光生, 永野 修作, 関 隆広

      高分子学会年次大会  23 5 2018 

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      Language:Japanese   Presentation type:Oral presentation (general)  

      Venue:名古屋国際会議場  

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    • キラルメソゲンを有する光応答性液晶高分子の光配向挙動 International conference

      上田 茉莉菜, 原 光生, 永野 修作, 関 隆広

      第22回液晶化学研究会シンポジウム  12 5 2018 

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      Venue:お茶の水女子大学  

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    • 光応答性液晶高分子薄膜上のヘテロ界面での光有機クレーターパターン形成 International conference

      北村 一晟, 原 光生, 永野 修作, 関 隆広

      第22回液晶化学研究会シンポジウム  12 5 2018 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:お茶の水女子大学  

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    • アゾベンゼン側鎖とオリゴメチルメタクリレート側鎖をもつランダム共重合体の合成と液晶ラメラ構造 International conference

      東 瞭太, 原 光生, 永野 修作, 関 隆広

      第22回液晶化学研究会シンポジウム  12 5 2018 

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      Venue:お茶の水女子大学  

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    • ランダム共重合により発現する長距離秩序スメクチック相 International conference

      滝島 啓介, 原 光生, 永野 修作, 関 隆広

      第22回液晶化学研究会シンポジウム  12 5 2018 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:お茶の水女子大学  

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    • アゾベンゼンモノマーとアクリル酸からなるランダム共重合体のヘテロスメクチックラメラ構造の形成と光配向制御 International conference

      末次 輝太, 後藤 峻介, 原 光生, 永野 修作, 関 隆広

      第22回液晶化学研究会シンポジウム  12 5 2018 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:お茶の水女子大学  

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    • 液晶高分子膜表面における高分子ヘテロ線細の光クレーター形成挙動解析 International conference

      大石 和明, 北村 一晟, 原 光生, 永野 修作, 関 隆広

      第22回液晶化学研究会シンポジウム  12 5 2018 

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      Venue:お茶の水女子大学  

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    • 結晶化度の異なるP3HTナノ粒子とPCBMの相溶性 International conference

      末次 輝太, 永野 修作, 原 光生, 関 隆広, 志藤 慶治, 佐藤 駿実, 増原 陽人

      日本応用物理学会  17 3 2018 

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      Venue:早稲田大学  

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    • Lamellar film formation in comb-shape polymers by humid annealing.

      Ito Sachiho, Matsui Jun, Yamamoto Shunsuke, Mitsuishi Masaya, Nagano Shusaku

      Proceedings of Japanese Liquid Crystal Society Annual meeting  2018  THE JAPANESE LIQUID CRYSTAL SOCIETY

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      Event date: 2018 - 2018

      Language:Japanese  

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    • 高分子液晶材料の光配向制御と表面・界面の役割 Invited International conference

      永野修作

      表面技術協会 関東支部 第93回講演会  15 12 2017 

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      Language:Japanese   Presentation type:Oral presentation (invited, special)  

      Venue:信州大学 国際科学イノベーションセンター  

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    • Thermally and Photochemically Induced Mass Transfer in Polymer Thin Films by Hetero-interface Strategy

      Issei Kitamura, Mituso Hara, Shusaku Nagano, Takahiro Seki

      2017 VISTEC-NU Joint Seminor on New Optical Materials  13 12 2017 

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      Venue:VISTEC. Thailand  

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    • Photocontrol of Mesogen Alignment in a Side Chain LC Polymer Film by Means of Random Copolymerization of Two Mesogens of Opposing Orientation Nature

      Ryota Imanishi, Mituso Hara, Shusaku Nagano, Takahiro Seki

      2017 VISTEC-NU Joint Seminor on New Optical Materials  13 12 2017 

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      Venue:VISTEC. Thailand  

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    • hermally and Photochemically Induced Mass Transfer in Polymer Thin Films by Hetero-interface Strategy

      Issei Kitamura, Mituso Hara, Shusaku Nagano, Takahiro Seki

      VISTEC ESE Symposium 2017-2  12 12 2017 

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      Venue:VISTEC. Thailand  

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    • Orientation in liquid crystal random copolymers composed of different orientation mesogens and application to free surface command system

      Ryota Imanishi, Mituso Hara, Shusaku Nagano, Takahiro Seki

      VISTEC ESE Symposium 2017-2  12 12 2017 

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      Venue:VISTEC. Thailand  

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    • 加湿アニール法により両親媒性高分子が形成する一軸配向ラメラ構造を用いた異方イオン伝導

      江端一輝, 後藤崚介, 長尾祐樹, 山本俊介, 三ツ石方也, 永野修作, 松井淳

      固体イオニクス討論会講演要旨集  5 12 2017 

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      Event date: 5 12 2017 - 5 12 2017

      Language:Japanese  

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    • 高分子液晶材料の界面および光を利用した配向制御手法の開発 (日立化成賞受賞講演) Invited International conference

      永野修作

      第66回高分子討論会  20 9 2017 

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      Language:Japanese   Presentation type:Oral presentation (invited, special)  

      Venue:愛媛大学  

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    • 高分子膜中のリオトロピック液晶の相転移を利用したナノ周期構造形成 International conference

      原 光生, 折戸 大輝, 脇谷 尚幸, 永野 修作, 関 隆広

      第66回高分子討論会  20 9 2017 

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      Language:Japanese   Presentation type:Oral presentation (general)  

      Venue:愛媛大学  

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    • 液晶性ブロック共重合体が高分子表面で形成するポリマーブラシのパターン構造 International conference

      向井 孝次, 原 光生, 永野 修作, 関 隆広

      第66回高分子討論会  20 9 2017 

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      Language:Japanese   Presentation type:Oral presentation (general)  

      Venue:愛媛大学  

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    • 薄膜表面・界面における液晶性ブロック共重合体の配向構造 International conference

      永野 修作, 向井 孝次, 原 光生, 関 隆広

      第66回高分子討論会  20 9 2017 

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      Language:Japanese   Presentation type:Oral presentation (general)  

      Venue:愛媛大学  

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    • スルホン化ポリイミド薄膜における側鎖構造のプロトン伝導性への影響 International conference

      小野 祐太朗, 後藤 崚介, 原 光生, 永野 修作, 安部 隆, 長尾 祐樹

      第66回高分子討論会  20 9 2017 

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      Language:Japanese   Presentation type:Oral presentation (general)  

      Venue:愛媛大学  

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    • ラメラ構造を有するスルホン化ポリイミド薄膜のプロトン伝導性 International conference

      長尾 祐樹, Krishnan Karthik, 小野 祐太朗, 後藤 崚介, 原 光生, 永野 修作, 安部 隆

      第66回高分子討論会  20 9 2017 

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      Language:Japanese   Presentation type:Oral presentation (general)  

      Venue:愛媛大学  

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    • 加湿アニール法を用いた両親媒性高分子の高配向ラメラ構造膜とその異方イオン伝導 International conference

      江端 一輝, 後藤 崚介, 長尾 祐樹, 山本 俊介, 三ツ石 方也, 永野 修作, 松井 淳

      第66回高分子討論会  20 9 2017 

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      Language:Japanese   Presentation type:Oral presentation (general)  

      Venue:愛媛大学  

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    • 液晶高分子薄膜上に形成された高分子ヘテロ細線による光誘起物質移動現象 International conference

      大石 和明, 北村 一晟, 原 光生, 永野 修作, 関 隆広

      第66回高分子討論会  20 9 2017 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:愛媛大学  

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    • 配向性の異なるメソゲンの共重合化による光応答性液晶高分子の配向制御 International conference

      今西 亮太, 原 光生, 永野 修作, 関 隆広

      第66回高分子討論会  20 9 2017 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:愛媛大学  

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    • キラルメソゲンを導入した光応答性液晶高分子の光配向挙動 International conference

      上田 茉莉菜, 佐野 誠実, 原 光生, 永野 修作, 関 隆広

      第66回高分子討論会  20 9 2017 

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      Venue:愛媛大学  

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    • 表面偏析した光応答層から伝搬する光誘起物質移動 International conference

      加藤 圭祐, 仲井 崇, 原 光生, 永野 修作, 関 隆広

      第66回高分子討論会  20 9 2017 

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      Venue:愛媛大学  

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    • 再沈法を用いたP3HTナノ粒子の調製とアクセプター分子との複合膜の形成 International conference

      末次 輝太, 原 光生, 永野 修作, 志藤 慶治, 佐藤 駿実, 増原 陽人, 関 隆広

      第66回高分子討論会  20 9 2017 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:愛媛大学  

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    • 湿度応答性ポリシロキサン超薄膜の特異な濡れ性 International conference

      上野 雄真, 原 光生, 永野 修作, 関 隆広

      第66回高分子討論会  20 9 2017 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:愛媛大学  

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    • 高分子薄膜上のヘテロ界面における表面誘起物質移動現象 International conference

      北村 一晟, 原 光生, 永野 修作, 関 隆広

      第66回高分子討論会  20 9 2017 

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      Language:Japanese   Presentation type:Oral presentation (general)  

      Venue:愛媛大学  

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    • 薄膜表面にインクジェト描画した異種高分子細線による物質移動現象 International conference

      永野 修作, 北村 一晟, 原 光生, 関 隆広

      第66回高分子討論会  20 9 2017 

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      Language:Japanese   Presentation type:Oral presentation (general)  

      Venue:愛媛大学  

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    • Structure of hybrid nanoplate composed of amphiphilic polyhedral oligomeric silsesquioxane

      AKATSUKA Asami, ZHU Huie, YAMAMOTO Shunsuke, MITSUISHI Masaya, MIYASHITA Tokuji, GEMMEI‐IDE Makoto, NAGANO Shusaku, MATSUI Jun

      化学系学協会東北大会プログラムおよび講演予稿集  16 9 2017 

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      Event date: 16 9 2017 - 16 9 2017

      Language:English  

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    • スメクチック液晶側鎖とかご型シロキサン側鎖を持つランダム共重合体の特異なラメラ構造と光配向制御 International conference

      永井美帆, 原 光生, 永野修作, 関 隆広

      2017年日本液晶学会討論会  13 9 2017 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:弘前大学  

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    • 光応答性高分子液晶薄膜上のヘテロ界面による表面誘起光物質移動現象 International conference

      北村一晟, 原 光生, 永野修作, 関 隆広

      2017年日本液晶学会討論会  13 9 2017 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:弘前大学  

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    • かご型シルセスキオキサンを有する側鎖型液晶ジブロック共重合体の光配向制御 International conference

      大塚祐実, 原 光生, 永野修作, 関 隆広

      2017年日本液晶学会討論会  13 9 2017 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:弘前大学  

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    • ラメラ構造を有するスルホン化ポリイミド薄膜のプロトン伝導性

      長尾祐樹, KARTHIK Krishnan, 小野祐太朗, 後藤崚介, 原光生, 永野修作, 安部隆

      高分子学会予稿集(CD-ROM)  6 9 2017 

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      Event date: 6 9 2017 - 6 9 2017

      Language:Japanese  

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    • スルホン化ポリイミド薄膜における側鎖構造のプロトン伝導性への影響

      小野祐太朗, 後藤崚介, 原光生, 永野修作, 安部隆, 長尾祐樹

      高分子学会予稿集(CD-ROM)  6 9 2017 

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      Event date: 6 9 2017 - 6 9 2017

      Language:Japanese  

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    • 再沈法によるP3HTナノ粒子の調製とn型有機半導体との複合膜の形成 International conference

      末次 輝太, 原 光生, 永野 修作, 志藤 慶治, 佐藤 駿実, 増原 陽人, 関 隆広

      第78回応用物理学会秋季学術講演会  5 9 2017 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:福岡国際会議場  

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    • 表面偏析と自己集合作用を利用した液晶性ポリマーブラシ構造 International conference

      向井 孝次, 原 光生, 永野 修作, 関 隆広

      第78回応用物理学会秋季学術講演会  5 9 2017 

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      Venue:福岡国際会議場  

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    • Orientation of a rodlike mainchain conjugated polymer on water

      Keisuke Kato, Koji Mukai, Cheol Kang, Tae-Lim Choi, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      KJF International Conference on Organic Materials for Electronics and Photonics 2017 (KJF-ICOMEP 2017)  30 8 2017 

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      Language:English   Presentation type:Poster presentation  

      Venue:韓国光州Orong Hall  

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    • Orientation in LC random copolymers composed of different orientation mesogens and application to free surface command system

      Ryota IMANISHI, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      The 15th International Conference on Advanced Materials (IUMRS-ICAM 2017)  27 8 2017 

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      Language:English   Presentation type:Poster presentation  

      Venue:京都大学吉田キャンパス  

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    • Thermochromic behavor and crystallinities for P3HT nanoparticles by reprecipitation

      Kota SUETSUGU, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      The 15th International Conference on Advanced Materials (IUMRS-ICAM 2017)  27 8 2017 

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      Language:English   Presentation type:Poster presentation  

      Venue:京都大学吉田キャンパス  

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    • Alignment Control of Highly Ordered Lamellar Structure Formed by Random Copolymers with Liquid Crystalline Azobenzene and POSS Side-Chain Units

      Miho Nagai, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      The 15th International Conference on Advanced Materials (IUMRS-ICAM 2017)  27 8 2017 

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      Venue:京都大学吉田キャンパス  

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    • Optical reorientation behaviors for photoresponsive liquid crystalline polymers and block copolymers with chirality

      Marina UEDA, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      The 15th International Conference on Advanced Materials (IUMRS-ICAM 2017)  27 8 2017 

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      Venue:京都大学吉田キャンパス  

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    • Photoinduced mass transfer by the surface tension difference fabricated by inkjet printing on photoresponsive polymer films

      Issei KITAMURA, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      The 15th International Conference on Advanced Materials (IUMRS-ICAM 2017)  27 8 2017 

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      Language:English   Presentation type:Poster presentation  

      Venue:京都大学吉田キャンパス  

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    • Photoalignment of Liquid Crystalline and Microphase Separated Structures for POSS-LC Diblock Copolymers

      Yumi OTSUKA, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      The 15th International Conference on Advanced Materials (IUMRS-ICAM 2017)  27 8 2017 

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      Venue:京都大学吉田キャンパス  

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    • High-density polymer brushes via surface gregation of liquid crystalline obenzene block copolymers

      Koji Mukai, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      The 15th International Conference on Advanced Materials (IUMRS-ICAM 2017)  27 8 2017 

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      Language:English   Presentation type:Poster presentation  

      Venue:京都大学吉田キャンパス  

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    • スルホン化ポリイミド薄膜の組織構造規則性・周期性が高プロトン伝導性へ与える影響

      長尾祐樹, KARTHIK Krishnan, 小野祐太朗, 後藤崚介, 原光生, 永野修作, 安部隆

      応用物理学会秋季学術講演会講演予稿集(CD-ROM)  25 8 2017 

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      Event date: 25 8 2017 - 25 8 2017

      Language:Japanese  

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    • Orientation in liquid crystal random copolymers composed of different orientation mesogens and application to free surface command system

      R. Imanishi, Y. Nagashima, M. Hara, S. Nagano, T. Seki

      The 21st International Symposium on Advanced Display Materials & Devices (ADMD 2017)  24 7 2017 

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      Language:English   Presentation type:Poster presentation  

      Venue:名古屋大学ESホール等  

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    • Photoalignment Control of Highly Ordered Lamellar StructureFormed by Random Copolymers with Liquid Crystalline Azobenzene and POSS Side-Chain Units

      Miho Nagai, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      The 21st International Symposium on Advanced Display Materials & Devices (ADMD 2017)  24 7 2017 

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      Language:English   Presentation type:Poster presentation  

      Venue:名古屋大学ESホール等  

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    • Photoalignment control of Liquid Crystalline and Microphase Separated Structures for POSS-LC Diblock Copolymer in Thin Films

      Yumi Otsuka, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      The 21st International Symposium on Advanced Display Materials & Devices (ADMD 2017)  24 7 2017 

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      Venue:名古屋大学ESホール等  

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    • Photoinduced mass transfer triggered by the surface tension difference on photoresponsive liquid crystalline polymer films

      Issei. Kitamura, Mitsuo. Hara, Shusaku. Nagano, Takahiro. Seki

      The 21st International Symposium on Advanced Display Materials & Devices (ADMD 2017)  24 7 2017 

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      Venue:名古屋大学ESホール等  

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    • High-density polymer brushes via surface segregation of liquid crystalline block copolymer

      Koji Mukai, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      The 21st International Symposium on Advanced Display Materials & Devices (ADMD 2017)  24 7 2017 

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      Language:English   Presentation type:Poster presentation  

      Venue:名古屋大学ESホール等  

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    • Optical Reorientarion Behaviors for Photoresponsive Liquid Crystalline Block Copolymers with Chirality

      上田 茉莉菜, 永野 修作, 原 光生, 関 隆広

      第9回NTTH合同シンポジウム  12 7 2017 

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      Language:English   Presentation type:Poster presentation  

      Venue:高山市民文化会館  

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    • Phase Transition of Lyotropic Liquid Crystals inWater-Sensitibe Polysiloxane Films

      Xiaoqian Zhang, 原 光生, 永野 修作, 関 隆広

      第9回NTTH合同シンポジウム  12 7 2017 

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      Venue:高山市民文化会館  

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    • Photoinduced Mass Transfer Triggered bu the Surfece Heterostructure in Photoresponsive Liquid Crystalline Polmer Films

      北村 一晟, 永野 修作, 原 光生, 関 隆広

      第9回NTTH合同シンポジウム  12 7 2017 

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      Language:English   Presentation type:Poster presentation  

      Venue:高山市民文化会館  

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    • Orientation in Liquid Crystal Random Copolymers Composed of Different Orientation Mesogens and Utilization to Free Surface Command System

      今西 亮太, 永野 修作, 原 光生, 関 隆広

      第9回NTTH合同シンポジウム  12 7 2017 

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      Venue:高山市民文化会館  

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    • 脱濡れした液晶性ブロック共重合体が形成する高密度ポリマーブラシパターン表面の構築 International conference

      向井 孝次, 原 光生, 永野 修作, 関 隆広

      第21回液晶化学研究会シンポジウム  8 7 2017 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:ホルトホール大分  

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    • かご型シルセスキオキサンを有する側鎖型液晶ジブロック共重合体薄膜の配向制御 International conference

      大塚 祐実, 原, 光生, 永野 修作, 関 隆広

      第21回液晶化学研究会シンポジウム  8 7 2017 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:ホルトホール大分  

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    • 液晶メソゲン側鎖とかご型シロキサン側鎖を持つランダム共重合体のラメラ構造の構築および光配向制御 International conference

      永井 美帆, 原 光生, 永野 修作, 関 隆広

      第21回液晶化学研究会シンポジウム  8 7 2017 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:ホルトホール大分  

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    • Evaluating crystallinities of P3HT nanoparticles exhibiting thermochromic behavior prepared by reprecipitation

      K. Suetsugu, M.Hara, S.Nagano, K.Shito, T.Sato, A.Masuhara, T.Seki

      9th International Conference on Molecular Electronics and Bioelectronics (M&BE9)  26 6 2017 

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      Language:English   Presentation type:Poster presentation  

      Venue:石川県立音楽堂・ANAクラウンプラザホテル金沢  

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    • Alignment Control of Highly Ordered Lamellar Structure of Random Copolymers with Liquid Crystalline Azobenzene and POSS Side-Chain Units

      Miho Nagai, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      9th International Conference on Molecular Electronics and Bioelectronics (M&BE9)  26 6 2017 

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      Language:English   Presentation type:Poster presentation  

      Venue:石川県立音楽堂・ANAクラウンプラザホテル金沢  

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    • Photoinduced mass transfer driven by the surface tension difference on photoresponsive liquid crystalline polymer films

      Issei Kitamura, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      9th International Conference on Molecular Electronics and Bioelectronics (M&BE9)  26 6 2017 

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      Venue:石川県立音楽堂・ANAクラウンプラザホテル金沢  

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    • Photoalignment of Liquid Crystalline and Microphase Separated Structures for POSS-LC Diblock Copolymer in Thin Films"

      大塚祐実, 原光生, 永野修作, 関隆広

      9th International Conference on Molecular Electronics and Bioelectronics (M&BE9)  26 6 2017 

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      Language:English   Presentation type:Poster presentation  

      Venue:石川県立音楽堂・ANAクラウンプラザホテル金沢  

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    • High-density polymer brushes by surface segregation of liquid crystalline block copolymers

      Koji Mukai, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      9th International Conference on Molecular Electronics and Bioelectronics (M&BE9)  26 6 2017 

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      Venue:石川県立音楽堂・ANAクラウンプラザホテル金沢  

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    • スメクチック液晶側鎖とかご型シロキサン側鎖を持つ ランダム共重合体の特異なラメラ構造と配向制御 International conference

      永井美帆, 原光生, 永野修作, 関隆広

      平成29年繊維学会年次大会  7 6 2017 

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      Venue:タワーホール船堀、東京  

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    • かご型シルセスキオキサンを有する 光応答性液晶ジブロック共重合体の光配向制御 International conference

      大塚祐実, 原光生, 永野修作, 関隆広

      平成29年繊維学会年次大会  7 6 2017 

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      Venue:タワーホール船堀、東京  

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    • サーモクロミズムを示すP3HTナノ粒子の結晶化度の評価 International conference

      末次 輝太, 原 光生, 永野 修作, 志藤 慶治, 佐藤 駿実, 増原 陽人, 関 隆広

      高分子学会年次大会  29 5 2017 

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      Language:Japanese   Presentation type:Oral presentation (general)  

      Venue:幕張メッセ  

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    • キラルメソゲンを有する側鎖型光応答性液晶高分子の光配向挙動 International conference

      上田 茉莉菜, 佐野 誠実, 原 光生, 永野 修作, 関 隆広

      高分子学会年次大会  29 5 2017 

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      Language:Japanese   Presentation type:Oral presentation (general)  

      Venue:幕張メッセ  

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    • 表面偏析と自己集合作用を利用した液晶性ポリマーブラシ構造の形成 International conference

      向井 孝次, 原 光生, 永野 修作, 関 隆広

      高分子学会年次大会  29 5 2017 

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      Language:Japanese   Presentation type:Oral presentation (general)  

      Venue:幕張メッセ  

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    • 配向性の異なるメソゲンの共重合化による新規の光応答性液晶高分子を用いた自由界面コマンドシステム International conference

      今西 亮太, 原 光生, 永野 修作, 関 隆広

      高分子学会年次大会  29 5 2017 

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      Language:Japanese   Presentation type:Oral presentation (general)  

      Venue:幕張メッセ  

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    • かご型シルセスキオキサンを有する側鎖型液晶ジブロック共重合体の合成と光配向制御 International conference

      大塚 祐実, 原 光生, 永野 修作, 関 隆広

      高分子学会年次大会  29 5 2017 

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      Venue:幕張メッセ  

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    • 液晶メソゲン側鎖とかご型シロキサン側鎖を持つランダム共重合体のラメラ構造の構築および配向制御 International conference

      永井 美帆, 原 光生, 永野 修作, 関 隆広

      高分子学会年次大会  29 5 2017 

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      Venue:幕張メッセ  

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    • インクジェット法による液晶性高分子ヘテロ界面の光誘起物質移動 International conference

      大石 和明, 北村 一晟, 原 光夫, 永野 修作, 関 隆広

      高分子学会年次大会  29 5 2017 

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      Venue:幕張メッセ  

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    • 光応答性高分子液晶薄膜上のヘテロ界面で発現する光トリガー物質移動現象 International conference

      北村 一晟, 原 光生, 永野 修作, 関 隆広

      高分子学会年次大会  29 5 2017 

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      Venue:幕張メッセ  

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    • 吸湿性ポリシロキサン超薄膜の調製と評価 International conference

      脇谷 尚幸, 原 光生, 永野 修作, 関 隆広

      高分子学会年次大会  29 5 2017 

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      Venue:幕張メッセ  

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    • 水で組織構造化するスルホン化ポリイミド薄膜におけるプロトン伝導性へのキャスト溶媒依存性

      長尾祐樹, KARTHIK Krishnan, 小野祐太朗, 後藤崚介, 原光生, 永野修作, 安部隆

      高分子学会予稿集(CD-ROM)  15 5 2017 

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      Event date: 15 5 2017 - 15 5 2017

      Language:Japanese  

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    • 水溶性ポリシロキサン超薄膜の調製と評価 International conference

      上野 雄真, 脇谷, 尚幸 原, 光生, 永野, 修作 関 隆広

      日本化学会第97春季年会(2017)  16 3 2017 

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      Venue:慶應義塾大学大学 日吉キャンパス  

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    • かご型シルセスキオキサンを有する高分子鎖と側鎖型液晶性高分子鎖から成るジブロック共重合体の光配向制御 International conference

      大塚 祐実, 原, 光生, 永野, 修作 関 隆広

      日本化学会第97春季年会(2017)  16 3 2017 

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      Venue:慶應義塾大学大学 日吉キャンパス  

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    • POSS 側鎖とアゾベンゼン側鎖を持つランダム共重合体の自己集合による規則構造の形成と配向制御 International conference

      永井 美帆, 原, 光生, 永野, 修作 関 隆広

      日本化学会第97春季年会(2017)  16 3 2017 

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      Venue:慶應義塾大学大学 日吉キャンパス  

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    • 再沈法を用いたP3HT ナノ粒子のサーモクロミズムと結晶化度 International conference

      末次 輝太, 原, 光生, 永野, 修作, 志藤, 慶志, 佐藤, 駿実, 増原, 陽人 関 隆広

      日本化学会第97春季年会(2017)  16 3 2017 

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      Venue:慶應義塾大学大学 日吉キャンパス  

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    • インクジェット法による液晶性高分子ヘテロ界面の光誘起物質移動 International conference

      大石 和明, 北村, 一晟 原, 光生, 永野, 修作 関 隆広

      日本化学会第97春季年会(2017)  16 3 2017 

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      Language:Japanese   Presentation type:Oral presentation (general)  

      Venue:慶應義塾大学大学 日吉キャンパス  

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    • 配向性の異なるメソゲンの共重合化による光応答性液晶高分子の配向制御と自由界面コマンドシステム International conference

      今西亮太, 原, 光生, 永野, 修作 関 隆広

      日本化学会第97春季年会(2017)  16 3 2017 

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      Venue:慶應義塾大学大学 日吉キャンパス  

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    • キラリティを導入した光応答性液晶高分子の光配向挙動 International conference

      上田茉莉菜, 佐野誠実, 原光生, 永野修作, 関隆広

      日本化学会第97春季年会(2017)  16 3 2017 

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      Venue:慶應義塾大学大学 日吉キャンパス  

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    • アルキルスルホン化ポリイミド薄膜の吸湿挙動のX 線散乱および赤外吸収による解析とプロトン伝導性 International conference

      後藤 崚介, 原, 光生, 小野, 祐太朗, 長尾, 祐樹, 永野 修作

      第64回応用物理学会春季学術講演会  14 3 2017 

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      Venue:パシフィコ横浜  

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    • 再沈法 による P3HTP3HT ナノ粒子のサーモクロミズムと結晶化度 International conference

      末次 輝太, 原, 光生, 永野 修作, 志藤 慶, 志, 佐藤 駿実, 増原, 陽人, 関 隆広

      第64回応用物理学会春季学術講演会  14 3 2017 

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      Venue:パシフィコ横浜  

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    • poly(N‐alkylacrylamides)が水中で形成するラメラ構造を用いたイオン伝導材料

      江端一輝, 後藤崚介, 永野修作, 長尾祐樹, 山本俊介, 三ツ石方也, 松井淳

      日本化学会春季年会講演予稿集(CD-ROM)  3 3 2017 

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      Event date: 3 3 2017 - 3 3 2017

      Language:Japanese  

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    • スメクチック液晶側鎖とかご型シロキサン側鎖をもつランダム共重合体の液晶性とラメラ構造 International conference

      永井 美帆, 原光生, 永野修作, 関隆広

      第26回日本MRS年次大会  19 12 2016 

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      Venue:横浜産業貿易センタービル  

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    • かご型シルセスキオキサン高分子鎖と側鎖型液晶性高分子鎖から成るジブロック共重合体の配向制御 International conference

      大塚 祐実, 原光生, 永野修作, 関隆広

      第26回日本MRS年次大会  19 12 2016 

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      Venue:横浜産業貿易センタービル  

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    • 配向性の異なるメソゲンの共重合化による光応答性液晶高分子の配向性制御 International conference

      今西亮太, 原光生, 永野修作, 関隆広

      第26回日本MRS年次大会  19 12 2016 

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      Venue:横浜産業貿易センタービル  

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    • アゾベンゼンとオリゴエチレンオキシドを側鎖に持つ液晶性ランダム共重合体のヘテロスメクチックラメラ構造の形成 International conference

      野田玲央奈, 原光生, 永野修作, 関隆広

      第26回日本MRS年次大会  19 12 2016 

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      Venue:横浜産業貿易センタービル  

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    • Polymer brush formed by surface segregation process of liquid crystalline block copolymer

      Koji Mukai, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      The 11th SPSJ International Polymer Conference (IPC2016)  13 12 2016 

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    • Synythesis and alignment of the microphase separated structures for POSS-b-LC

      Yumi Otsuka, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      The 11th SPSJ International Polymer Conference (IPC2016)  13 12 2016 

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    • Photoinduced mass transfer driven by the surface hetero structure in photoresponsive liquid crystalline polymer films

      Issei Kitamura, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      The 11th SPSJ International Polymer Conference (IPC2016)  13 12 2016 

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    • Highly Ordered Lamellar Structure Formed by a Liquid Crystalline Azobenzene Random Copolymers with a POSS Side-Chain Unit

      Miho Nagai, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      The 11th SPSJ International Polymer Conference (IPC2016)  13 12 2016 

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    • 薄膜のX線散乱-液晶性高分子薄膜を中心に- Invited International conference

      永野修作

      液晶基礎講座(2016)  10 12 2016 

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      Venue:大阪産業大学梅田サテライトキャンパス  

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    • 機能性高分子薄膜のX線を用いた構造解析-導電性高分子・プロトン伝導性高分子・液晶性ブロック共重合体など- Invited International conference

      永野修作

      ナノテクノロジープラットフォーム 分子・物質合成PF「ナノ粒子と高分子を測るセミナー」  28 11 2016 

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      Venue:東京国際交流館  

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    • Growth of Photopatterned Surface Reliefs on Amorphous Thin Films of Photochromic Aryloxynaphthacenequinone Compounds

      Masaya Moriyama, Shuhei Kai, Ryo Itai, Tomomi Ueshima, Koji Mukai, Shusaku Nagano, Takahiro Seki

      24 11 2016 

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    • Light-melt adhesive based on a photoresponsive columnar liquid crystal

      Shohei Saito, Shunpei Nobusue, Mitsuo Hara, Takahiro Seki, Stephan Irle, Sigehiro Yamaguchi

      24 11 2016 

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    • Photoalignment of LC and Microphase Separated Structures for POSS-LC Diblock Copolymers

      Yumi Otsuka, Mituo Hara, Shusaku, Nagano, Takahiro Seki

      24 11 2016 

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    • Unique Lamellar Structure Formed by Liquid Crystalline Azobenzene Random Copolymers with a POSS Side-Chain Unit

      Miho Nagai, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      24 11 2016 

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    • Formation and Photoalignment of Hetero Smectic Lamella Structure of LC Copolymer with Azobenzene and Oligo(ethylene oxide) Side Chains

      Reona Noda, Mituo Hara, Shusaku, Nagano, Takahiro Seki

      24 11 2016 

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    • Free Surface Command System for Out-of-Plane Photoalignment Control in LC Polymer Films

      Takashi Nakai, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      24 11 2016 

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    • Smectic Phase and Lamella Structure in Liquid Crystalline Polymers with Azobenzene Mesogen and Sulfo Group Side Chains

      Ryosuke Goto, Mitsuo Hara, Yutaro One, Yuki Nagao, Shusaku Nagano, Takahiro Seki

      24 11 2016 

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    • Polymer brush structure formed by surface segregation of liquid crystalline block copolymer

      Koji Mukai, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      24 11 2016 

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    • ⾃由界⾯に偏析した光応答層による液晶性⾼分⼦薄膜の⾯外配向制御 International conference

      仲井 崇, 原 光生, 永野 修作, 関 隆広

      第6回CSJ化学フェスタ2016  14 11 2016 

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      Venue:タワーホール船堀  

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    • ⾼分⼦液晶薄膜上のヘテロ界⾯における光誘起物質移動現象 International conference

      北村 一晟, 原 光生, 永野 修作, 関 隆広

      第6回CSJ化学フェスタ2016  14 11 2016 

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      Venue:タワーホール船堀  

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    • Highly Ordered Lamellar Structure of Random Copolymers with Liquid Crystallin Azobenzene and POSS Side-Chain Umits

      Miho Nagai, Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      19 10 2016 

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    • Synthesis and Alignment of Microphase Separate Structures for POSS-LC Diblock Copolymers

      Yumi Otsuka, Mituo Hara, Shusaku, Nagano, Takahiro Sek

      19 10 2016 

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    • Formation and Photoalignment of Hetero Smectic Lamella Structure of Amphiphilic Random Copolymer with Azobenzene and Oligo(ethyleneoxide)Side Chains

      Reona Noda, Mituo Hara, Shusaku, Nagano, Takahiro Seki

      19 10 2016 

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    • Alternation of Lizuid Crystalline Orientations in Smectic Side Chain Liquid Crystalline Polymer Films by Backbone Structure Invited

      Shusaku Nagano

      19 10 2016 

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    • 高分子液晶材料の光配向制御と表面・界面の役割 Invited International conference

      永野修作

      第9回 ChemBio ハイブリッドレクチャー  8 10 2016 

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      Venue:東京大学 武田ホール  

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    • かご型シルセスキオキサン含有高分子鎖と液晶性高分子鎖から成るジブロック共重合体の合成と配向制御 International conference

      大塚 祐実, 原光生, 永野修作, 関隆広

      第65回高分子討論会  14 9 2016 

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      Venue:神奈川大学 横浜キャンパス  

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    • 光応答性高分子液晶薄膜上のヘテロ界面による光誘起物質移動現象 International conference

      北村 一晟, 原, 光生, 永野, 修作 関 隆広

      第65回高分子討論会  14 9 2016 

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      Venue:神奈川大学 横浜キャンパス  

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    • 液晶性ブロック共重合体の表面偏析によって形成するポリマーブラシ構造 International conference

      向井 孝次, 原光生, 永野修作, 関隆広

      第65回高分子討論会  14 9 2016 

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      Venue:神奈川大学 横浜キャンパス  

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    • アゾベンゼンメソゲンとスルホ其を側鎖に持つランダム共重合体のスメクチック相とラメラ構造 International conference

      後藤崚介, 原光生, 小野祐太朗, 長尾祐樹, 永野修作, 関 隆広

      第65回高分子討論会  14 9 2016 

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      Venue:神奈川大学 横浜キャンパス  

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    • アゾベンゼンとオリゴエチレンオキシドを側鎖に持つ液晶性ランダム共重合体のヘテロスメクチックラメラ構造の形成と光配向制御 International conference

      野田玲央奈, 原光生, 永野修作, 関隆広

      第65回高分子討論会  14 9 2016 

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      Venue:神奈川大学 横浜キャンパス  

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    • 自由界面の光応答層による液晶性高分子薄膜の光誘起面外配向制御 International conference

      仲井 崇, 原 光生, 永野 修作, 関 隆広

      第65回高分子討論会  14 9 2016 

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      Venue:神奈川大学 横浜キャンパス  

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    • 無機高分子マトリクス中のリオトロピック液晶の可逆的な相転移と固定化 International conference

      原 光生, 折戸大輝, 脇谷尚幸, 永野, 修作 関 隆広

      第65回高分子討論会  14 9 2016 

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      Venue:神奈川大学 横浜キャンパス  

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    • 液晶メソゲン側鎖とかご型シロキサン側鎖を持つランダム共重合体の液晶性とラメラ構造 International conference

      永井 美帆, 原光生, 永野修作, 関隆広

      第65回高分子討論会  14 9 2016 

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      Venue:神奈川大学 横浜キャンパス  

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    • 自由界面の光応答層による液晶性高分子薄膜の面外コマンドサーフェス International conference

      仲井崇, 原光生, 永野修作, 関隆広

      2016年日本液晶学会  5 9 2016 

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      Venue:弘前大学  

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    • Structuring and Photoalignment of Hetero Smectic Lamella Structure of LC

      Reona Noda, Mituo Hara, Shusaku, Nagano, Takahiro Seki

      4 9 2016 

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    • Polymer brush structure formed via surface segregation of liquid crystalline block copolymer

      Koji Mukai, Mituo Hara, Shusaku, Nagano, Takahiro Seki

      4 9 2016 

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    • Free surface command layer for the photoalignment

      Takahiro Seki, Shusaku Nagano

      4 9 2016 

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    • 液晶メソゲン側鎖とかご型シロキサン側鎖を持つランダム共重合体の液晶性とラメラ構造 International conference

      永井美帆, 原光生, 永野修作, 関隆広

      東海高分子研究会講演会(夏期合宿)  2 9 2016 

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      Venue:長良川観光ホテル石金  

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    • アルキルスルホン化ポリイミド薄膜のライオトロピック液晶構造とプロトン伝導性 International conference

      後藤崚介, 原光生, 長尾祐樹, 永野修作

      第20回液晶化学研究会シンポジウム  4 7 2016 

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      Venue:東京大学山上会館  

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    • 自由界面に偏析した光応答層による液晶性高分子薄膜の面外コマンドサーフェス International conference

      仲井崇, 原光生, 永野修作, 関隆広

      第20回液晶化学研究会シンポジウム  4 7 2016 

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      Venue:東京大学山上会館  

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    • 両親媒性ランダム共重合体からなるメテロスメクチックラメラ構造 International conference

      野田玲央奈, 原光生, 永野修作, 関隆広

      第20回液晶化学研究会シンポジウム  4 7 2016 

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      Venue:東京大学山上会館  

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    • 水溶性ポリシロキサン膜中におけるリオトロピック液晶の相転移 International conference

      脇谷尚幸, 折戸大輝, 原光生, 永野修作, 関隆広

      第20回液晶化学研究会シンポジウム  4 7 2016 

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      Venue:東京大学山上会館  

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    • 配向性の異なる液晶高分子鎖からなるブロック共重合体薄膜のミクロ相分離構造 International conference

      大塚 祐実, 原光生, 永野修作, 関隆広

      第20回液晶化学研究会シンポジウム  4 7 2016 

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      Venue:東京大学山上会館  

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    • 高分子へテロ界面の拡散挙動と光誘起物質移動現象への応用 International conference

      北村 一晟, 原光生, 永野修作, 関隆広

      第20回液晶化学研究会シンポジウム  4 7 2016 

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      Venue:東京大学山上会館  

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    • スメクチック液晶側鎖とかご型シロキサン側鎖を持つランダム共重合体の特異なラメラ構造 International conference

      永井 美帆, 原光生, 永野修作, 関隆広

      第20回液晶化学研究会シンポジウム  4 7 2016 

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      Venue:東京大学山上会館  

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    • 表面に偏析した側鎖型液晶性ブロック共重合体の液晶配向構造 International conference

      向井 孝次, 原光生, 永野修作, 関隆広

      第20回液晶化学研究会シンポジウム  4 7 2016 

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      Venue:東京大学山上会館  

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    • アルキルスルホン化ポリイミド主鎖一軸配向膜のライオトロピック液晶構造解析 International conference

      後藤崚介, 原光生, 長尾祐樹, 永野修作

      平成28年度繊維学会年次大会  8 6 2016 

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      Venue:タワーホール船堀  

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    • 表面偏析を利用した液晶性高分子薄膜の面外配向制御 International conference

      仲井崇, 原光生, 関隆広, 永野修作

      平成28年度繊維学会年次大会  8 6 2016 

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      Venue:タワーホール船堀  

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    • 配向性の異なる液晶高分子鎖からなるブロック共重合体薄膜のミクロ相分離構造 International conference

      大塚 祐実, 原 光生, 永野 修作, 関 隆広

      日本化学会第96春季年会  24 3 2016 

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      Venue:同志社大学京田辺キャンパス  

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    • インクジェット法による高分子液晶膜上でのヘテロ界面の形成と配向構造 International conference

      北村 一晟, 原 光生, 永野 修作, 関 隆広

      日本化学会第96春季年会  24 3 2016 

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      Venue:同志社大学京田辺キャンパス  

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    • POSS側鎖とアゾベンゼン側鎖を持つランダム共重合体の自己集合による規則構造の形成 International conference

      永井 美帆, 原 光生, 永野 修作, 関 隆広

      日本化学会第96春季年会  24 3 2016 

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      Venue:同志社大学京田辺キャンパス  

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    • 表面偏析を利用した液晶性高分子薄膜の面外コマンドサーフェス International conference

      仲井 崇, 原 光生, 永野 修作, 関 隆広

      日本化学会第96春季年会  24 3 2016 

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      Venue:同志社大学京田辺キャンパス  

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    • 集合体を形成する光応答性イオンの合成 International conference

      川下 賢二, 山門 陵平, 原 光生, 永野 修作, 関 隆広, 前田 大光

      日本化学会第96春季年会  24 3 2016 

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      Venue:同志社大学京田辺キャンパス  

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    • 水の吸脱湿による濃度変化を利用した有機-無機複合ナノ構造の液晶相転移現象 International conference

      折戸 大輝, 原 光生, 永野 修作, 関 隆広

      日本化学会第96春季年会  24 3 2016 

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      Venue:同志社大学京田辺キャンパス  

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    • アルキルスルホン化ポリイミド主鎖一軸配向膜の吸湿により発現する液晶構造解析 International conference

      後藤 崚介, 原 光生, 長尾 祐樹, 永野 修作

      第63回応用物理学会春季学術講演会  19 3 2016 

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      Venue:東工大大岡山キャンパス  

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    • 導電性高分子薄膜の分子配向構造の深さ方向解析 International conference

      水野 佑, 大野 慶太, 原 光生, 永野 修作, 山本 勝宏, 関 隆広

      第63回応用物理学会春季学術講演会  19 3 2016 

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      Venue:東工大大岡山キャンパス  

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    • 表面偏析した液晶性ブロック共重合体が形成する液晶構造の解析 International conference

      向井 孝次, 原, 光生, 永野, 修作 関 隆広

      帝人21世紀フォーラム  30 1 2016 

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      Venue:大崎ブライトコアホール  

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    • プロトン伝導性アルキルスルホン化ポリイミド主鎖一軸配向膜のライオトロピック液晶構造 International conference

      後藤 崚介, 原 光生, 長尾祐樹, 永野修作

      高分子基礎研究会2015  29 1 2016 

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      Venue:湯布院FITセミナーハウス  

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    • ミクロ相分離構造の光配向の分子階層挙動 Invited International conference

      永野修作

      高分子基礎研究会2015  29 1 2016 

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      Venue:湯布院FITセミナーハウス  

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    • p型およびn型導電性高分子混合膜の配向構造評価 International conference

      大野慶太, 水野佑, 原光生, 永野修作, 関隆広

      材料バックキャストテクノロジー研究センターシンポジウム「基盤材料とバックキャストテクノロジー」  12 1 2016 

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      Venue:名古屋大学野依交流館  

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    • アクリレートおよびメタクリレート主鎖をもつ液晶性シアノビフェニル高分子の配向 International conference

      田中大介, 永島悠樹, 原光生, 永野修作, 関隆広

      材料バックキャストテクノロジー研究センターシンポジウム「基盤材料とバックキャストテクノロジー」  12 1 2016 

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      Venue:名古屋大学野依交流館  

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    • Self-assembly polymer brush via surface segregation of liquid crystalline block copolymer

      15 12 2015 

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    • Hietatchical liquid crystalline structure in high proton conductive sulfonated polyimide films.

      15 12 2015 

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    • 液晶性アゾベンゼンブロック共重合体の光再配向過程の分子階層挙動 International conference

      永野修作

      第25回日本MRS年次大会  8 12 2015 

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      Venue:横浜  

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    • 表面偏析した液晶性アゾベンゼンブロックコポリマー鎖のポリマーブラシ構造 International conference

      向井孝次, 原光生, 永野修作, 関隆広

      第25回日本MRS年次大会  8 12 2015 

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      Venue:横浜  

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    • 薄膜表面・界面近傍での半導体高分子の分子配向構造 International conference

      水野佑, 大野慶太, 原光生, 永野修作, 山本勝宏, 関隆広

      第25回日本MRS年次大会  8 12 2015 

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      Venue:横浜  

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    • p型およびn型導電性高分子混合膜の分子配向構造 International conference

      大野慶太, 水野佑, 永野修作, 原 光生, 高木 幸治, 関 隆広

      第25回日本MRS年次大会  8 12 2015 

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      Venue:横浜  

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    • アルキルスルホン化ポリイミド主鎖一軸配向膜におけるプロトン伝導性ライオトロピック液晶構造 International conference

      後藤崚介, 原光生, 長尾祐樹, 永野修作

      第25回日本MRS年次大会  8 12 2015 

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      Venue:横浜  

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    • Hietatchical Molecular Motions in the Photoreorientation Process for Liquid Crystalline Block Copolymer Films Invited

      28 10 2015 

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    • Aggregated Structure of Semiconductive Polymer Blends in Phase Separated Film

      22 10 2015 

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    • Free surface command system for the control of out-of-plane LC polymer orientation

      22 10 2015 

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    • Light Induced Surface Wettability and Memory Effct in Mmphiphilic Copolymers with Oligo(ethylene oxide)and Azobenzene Side chains

      22 10 2015 

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    • Proton conductivity and lyotropic liquid crystal structure in alkyl sulfonated polyimides

      22 10 2015 

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    • Photoalignable Radical Initiator for Anisotropic Polymerization in Liquid Crystalline Media

      22 10 2015 

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    • 異方場における液晶相転移を利用した有機-無機複合メソ構造の垂直配向制御 International conference

      脇谷 尚幸, 原光生, 永野修作, 関隆広

      第5回CSJ化学フェスタ2015  13 10 2015 

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      Venue:タワーホール船堀  

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    • エーテル結合をスペーサーに導入した側鎖型液晶性アゾベンゼン高分子の偏光応答 International conference

      仲井 崇, 原光生, 永野修作, 秋山映一, 関隆広

      第5回CSJ化学フェスタ2015  13 10 2015 

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      Venue:タワーホール船堀  

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    • 動くミクロ相分離構造の階層的配向挙動 International conference

      永野修作

      3研究領域第3回合同公開シンポジウム  29 9 2015 

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      Venue:コクヨホール  

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    • フォトクロミックナフタセンキノンデンドリマーのアモルファス薄膜における光誘起物質移動 International conference

      甲斐 秀平, 植島 智美, 河野 尚洋, 武島 隆宏, 向井 孝次, 永野 修作, 関 隆広, 守山 雅也

      第64回高分子討論会  15 9 2015 

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      Venue:東北大学川内キャンパス  

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    • 液晶性ブロック共重合体薄膜の光配向挙動の階層的理解 International conference

      永野修作, 関 隆広

      第64回高分子討論会  15 9 2015 

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      Venue:東北大学川内キャンパス  

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    • 両親媒性ブロック共重合体と金属アルコキシドから調製される有機無機ナノハイブリッドの垂直配向制御と機能化 International conference

      原 光生, 小栗 良太, 永野 修作, 関 隆広

      第64回高分子討論会  15 9 2015 

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      Venue:東北大学川内キャンパス  

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    • 高分子薄膜表面への異種高分子のインクジェット描画による高分子界面構築 International conference

      関 隆広, 平川 篤史, 永野 修作, 原 光生

      第64回高分子討論会  15 9 2015 

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      Venue:東北大学川内キャンパス  

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    • シアノビフェニル側鎖をもつアクリレートおよびメタクリレートポリマーの液晶配向性 International conference

      田中大介, 永島 悠樹, 原光生, 永野 修作, 関 隆広

      第64回高分子討論会  15 9 2015 

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      Venue:東北大学川内キャンパス  

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    • 薄膜表面・界面近傍でのポリ(3-ヘキシルチオフェン)の分子配向構造 International conference

      水野 佑, 大野慶太, 原光生, 永野修作, 山本勝宏, 関隆広

      第76回応用物理学会秋季学術講演会  13 9 2015 

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      Venue:名古屋国際会議場  

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    • p型およびn型導電性高分子混合膜の分子配向と光電荷分離 International conference

      大野 慶太, 水野 佑, 原 光生, 永野 修作, 関 隆広

      第76回応用物理学会秋季学術講演会  13 9 2015 

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      Venue:名古屋国際会議場  

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    • アゾベンゼンとオリゴエチレンオキシドを側鎖にもつ両親媒性コポリマー薄膜のコンフォメーション変化と記憶効果 International conference

      野田, 玲央奈, 原, 光生, 永野修作, 関 隆広

      第153回東海高分子研究会講演会(夏期合宿)  4 9 2015 

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      Venue:サンパーク犬山  

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    • 表面偏析を利用した液晶性高分子薄膜の面外コマンドサーフェス International conference

      仲井 崇, 原, 光生, 永野修作, 関 隆広

      第153回東海高分子研究会講演会(夏期合宿)  4 9 2015 

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      Venue:サンパーク犬山  

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    • 異方場での液晶相転移を利用した有機-無機複合メソ構造の垂直配向制御 International conference

      脇谷 尚幸, 原, 光生, 永野修作, 関 隆広

      第153回東海高分子研究会講演会(夏期合宿)  4 9 2015 

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      Venue:サンパーク犬山  

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    • アルキルスルホン化ポリイミド主査一軸配向膜の吸湿による液晶構造とプロトン伝導性 International conference

      後藤崚介, 原光生, 長尾祐樹, 永野修

      第153回東海高分子研究会講演会(夏期合宿)  4 9 2015 

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      Venue:サンパーク犬山  

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    • Orientation control of mesostructures in organic-inorganic hybrid

      9 8 2015 

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    • Proton conductivity and liquid crystal structure in alkyl sulfonated polyimides

      9 8 2015 

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    • Photoalignment of mesoscopic polymer structures by light

      9 8 2015 

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    • 高プロトン伝導性アルキルスルホン化ポリイミドのライオトロピック液晶構造 International conference

      後藤 崚介, 原 光生, 長尾 祐樹, 永野 修作

      第1回「高次複合光応答」若手の会  31 7 2015 

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      Venue:ホテルコスモスクエア交流センター、逢坂  

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    • アゾベンゼンとオリゴエチレンオキシドを側鎖に持つ量親媒性コポリマー薄膜の側鎖表面偏析と光濡れ性変化(ポスター賞) International conference

      野田 玲央奈, 原 光生, 永野 修作, 関 隆広

      第1回「高次複合光応答」若手の会  31 7 2015 

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      Venue:ホテルコスモスクエア交流センター、逢坂  

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    • 薄膜表面・界面近傍でのポリ(3-ヘキシルチオフェン)の分子配向構造 International conference

      水野 佑, 大野 慶太, 原 光生, 永野 修作, 山本 勝宏, 関 隆広

      第1回「高次複合光応答」若手の会  31 7 2015 

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      Venue:ホテルコスモスクエア交流センター、逢坂  

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    • アクリレートおよびメタクリレート主鎖を持つシアノビフェニル高分子の配向 International conference

      田中大介, 永島悠樹, 原光生, 永野修作, 関隆広

      2015年日本液晶学会討論会  9 7 2015 

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      Venue:東工大すずかけ台キャンパス  

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    • アゾベンゼンとオリゴエチレンオキシドを側鎖に持つ両親媒性ランダムコポリマー薄膜の光による濡れ性変化と記憶効果 International conference

      野田 玲央奈, 原 光生, 永野修作, 関 隆広

      2015年日本液晶学会討論会  9 7 2015 

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      Venue:東工大すずかけ台キャンパス  

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    • 異方場における液晶相転移を利用した有機-無機複合メソ構造の垂直配向制御と機能化 International conference

      脇谷尚幸, 原, 光生, 永野修作, 関 隆広

      2015年日本液晶学会討論会  9 7 2015 

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      Venue:東工大すずかけ台キャンパス  

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    • 液晶性ブロック共重合体の界面における配向構造 International conference

      永野修作, 向井孝次, 田中大介, 関隆広

      平成27年度繊維学会年次大会  10 6 2015 

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      Venue:タワーホール船堀  

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    • アゾベンゼンとオリゴエチレンオキシドを側鎖に持つ両親媒性ランダムコポリマー薄膜の光濡れ性変化 International conference

      野田玲央奈, 原光生, 永野修作, 関隆広

      平成27年度繊維学会年次大会  10 6 2015 

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      Venue:タワーホール船堀  

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    • 高プロトン伝導性アルキルスルホン化ポリイミドの液晶構造 International conference

      後藤 崚介, 原 光生, 長尾 祐樹, 永野 修作

      平成27年度繊維学会年次大会  10 6 2015 

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      Venue:タワーホール船堀  

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    • 加湿アニール法による両親媒性高分子のラメラ構造化 International conference

      橋本 侑宜, 佐藤 琢磨, 松井 淳, 三ツ石 方也, 永野 修作, 長尾 祐樹

      第64回高分子学会年次大会  27 5 2015 

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      Venue:札幌コンベンションセンター  

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    • 高分子Langmuir-Blodgett膜を用いた二次元界面におけるプロトン伝導メカニズムの解明 International conference

      佐藤 琢磨, 松井 淳, 三ツ石 方也, 宮下 徳治, 永野 修作, 源明 誠

      第64回高分子学会年次大会  27 5 2015 

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      Venue:札幌コンベンションセンター  

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    • カテコール基含有ブロック共重合体が形成する相分離構造の制御と金属配列構造の形成 International conference

      齊藤 祐太, 樋口 剛志, 原 光生, 永野 修作, 陣内 浩司, 藪 浩

      第64回高分子学会年次大会  27 5 2015 

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      Venue:札幌コンベンションセンター  

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    • ブラシ状環状高分子の精密合成とその一次構造へのグラフト密度の影響 International conference

      辻 陽介, 土肥 侑也, 高野 敦志, 永野 修作, 関 隆広, 松下 裕秀

      第64回高分子学会年次大会  27 5 2015 

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      Venue:札幌コンベンションセンター  

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    • 表面に偏析した側鎖型液晶性ブロックコポリマーの液晶配向挙動 International conference

      向井 孝次, 原 光生, 永野 修作, 関 隆広

      第64回高分子学会年次大会  27 5 2015 

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      Venue:札幌コンベンションセンター  

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    • アゾベンゼン高分子の機械的強度の向上と分子配向性のマイクロリンクル波長への影響 International conference

      山田 恭太郎, 原 光生, 永野 修作, 関 隆広

      第64回高分子学会年次大会  27 5 2015 

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      Venue:札幌コンベンションセンター  

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    • アゾベンゼンとオリゴエチレンオキシドを側鎖に持つ両親媒性ランダムコポリマー薄膜の光による濡れ性変化 International conference

      野田 玲央奈, 原 光生, 永野 修作, 関 隆広

      第64回高分子学会年次大会  27 5 2015 

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      Venue:札幌コンベンションセンター  

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    • アルキルスルホン化ポリイミド薄膜のライオトロピック液晶構造とプロトン伝導性の相関 International conference

      後藤 崚介, 原 光生, 長尾 祐樹, 永野 修作

      第64回高分子学会年次大会  27 5 2015 

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      Venue:札幌コンベンションセンター  

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    • p型およびn型導電性高分子混合膜の配向構造評価 International conference

      大野 慶太, 水野 佑, 原 光生, 永野 修作, 関 隆広

      第64回高分子学会年次大会  27 5 2015 

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      Venue:札幌コンベンションセンター  

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    • アクリレートおよびメタクリレート主鎖をもつシアノビフェニルポリマーの液晶配向 International conference

      田中 大介, 永島 悠樹, 原 光生, 永野 修作, 関 隆広

      第64回高分子学会年次大会  27 5 2015 

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      Venue:札幌コンベンションセンター  

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    • 導電性高分子における基板近傍の分子配向 International conference

      水野 佑, 大野 慶太, 原 光生, 永野 修作, 関 隆広

      第64回高分子学会年次大会  27 5 2015 

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      Venue:札幌コンベンションセンター  

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    • 垂直配向構造を有するメソポーラス金属酸化物膜の機能化 International conference

      脇谷 尚幸, 小栗 良太, 原 光生, 永野 修作, 関 隆広

      第64回高分子学会年次大会  27 5 2015 

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      Venue:札幌コンベンションセンター  

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    • 側鎖型液晶性ブロックコポリマーの高分子表面における液晶集合構造 International conference

      向井 孝次, 原 光生, 永野 修作, 関 隆広

      第19回液晶化学研究会シンポジウム(2015)  15 5 2015 

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      Venue:名古屋大学  

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    • シノアビフェニル基をもつアクリレートおよびメタクリレートポリマーの液晶配向 International conference

      田中大介, 永島悠樹, 原光生, 永野修作, 関隆広

      第19回液晶化学研究会シンポジウム(2015)  15 5 2015 

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      Venue:名古屋大学  

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    • アルキルスルホン化ポリイミド液晶構造とプロトン伝導性 International conference

      後藤 崚介, 原 光生, 長尾 祐樹, 永野 修作

      第19回液晶化学研究会シンポジウム(2015)  15 5 2015 

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      Venue:名古屋大学  

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    • アゾベンゼンとオリゴエチレンオキシドを側鎖に持つ両親媒性コポリマーの側鎖表面偏析と光濡れ性変化 International conference

      野田玲央奈, 原光生, 永野修作, 関隆広

      第19回液晶化学研究会シンポジウム(2015)  15 5 2015 

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      Venue:名古屋大学  

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    • 半導体高分子混合間膜の分子配向構造 International conference

      大野慶太, 水野佑, 原光生, 永野修作, 関隆広

      第19回液晶化学研究会シンポジウム(2015)  15 5 2015 

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      Venue:名古屋大学  

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    • 垂直配向メソポーラスチタニア薄膜の調整と応用 International conference

      脇谷尚幸, 小栗良太, 原 光生, 永野修作, 関 隆広

      第19回液晶化学研究会シンポジウム(2015)  15 5 2015 

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      Venue:名古屋大学  

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    • Spontaneous Liquid Crystalline Structure via Surface Segregation of azobenzene Bolckcopolymer

      26 3 2015 

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    • Molecular Orientation of Semiconductive Polymer Blends in Phase Seoarated film

      26 3 2015 

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    • Pathways toward the Photoinduced Switching Motions in Liquid Crystalline Azobenzene Block Copolymer Thin Films

      26 3 2015 

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    • 液晶性アゾベンゼンポリマーによる表面リンクルの光形状変化 International conference

      武島 隆宏, 原 光生, 永野 修作, 関 隆広

      日本化学会  26 3 2015 

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      Venue:日本大学船橋キャンパス  

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    • シアノビフェニルポリマーの液晶配向性と表面からの配向制御 International conference

      田中大介, 永島悠樹, 原 光生, 永野修作, 関 隆広

      日本化学会  26 3 2015 

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      Venue:日本大学船橋キャンパス  

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    • アルキルスルホン化ポリイミド薄膜のライオトロピック液晶性により誘起された規則構造とプロトン伝導性の相関 International conference

      後藤 崚介, 原 光男, 長尾 祐樹, 永野 修作

      第62回 応用物理学会春季学術講演会  11 3 2015 

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      Venue:東海大学 湘南キャンパス  

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    • 混合膜系のp型およびn型導電性高分子の分子配向 International conference

      大野 慶太, 水野 佑, 原 光生, 永野 修作, 関 隆広

      第62回 応用物理学会春季学術講演会  11 3 2015 

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      Venue:東海大学 湘南キャンパス  

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    • ポリ(3-ヘキシルチオフェン)の基板界面近傍の分子配向 International conference

      水野 佑, 大野 慶太, 原 光生, 永野 修作, 関 隆広

      第62回 応用物理学会春季学術講演会  11 3 2015 

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      Venue:東海大学 湘南キャンパス  

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    • PB25 Light Induced Surface Wettability and Memory Effect of Amphiphilic Copolymers with Oligo(ethylene oxide) and Azobenzene Side Chains

      NODA Reona, HARA Mitsuo, NAGANO Shusaku, SEKI Takahiro

      Proceedings of Japanese Liquid Crystal Society Annual meeting  2015  Japanese Liquid Crystal Society

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      Event date: 2015 - 2015

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      Amphiphilic random copolymers with hydrophilic oligo(ethylene oxide) and hydrophobic azobenzene side chains (PAzA-r-PMEOMA) are synthesized. A PAzA-r-PMEOMA thin film was prepared by spincast method. Surface wettability change of the thin film with UV irradiation was measured by air bubble contact angle. UV absorption spectroscopy revealed that the photo induced wettability change in water is involved by the H-aggregation of azobenzene side chain. The surface wettability with non-aggregating azobenzene chromophore was almost unchanged with UV irradiation in water. These results indicate that the aggregation of azobenzene side chain play an important role in the photo induced surface wettability change.

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    • ペプチド修飾型医療機器表面設計のための細胞接着効果の検証

      栗本理央, 栗本理央, 蟹江慧, 井戸田直和, 塚原剛彦, 原光生, 永野修作, 成田裕司, 本多裕之, 加藤竜司, 内藤昌信, 内藤昌信, 荏原充宏

      日本バイオマテリアル学会大会予稿集  2015 

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      Event date: 2015 - 2015

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    • PA17 Vertical orientation control and functionalization of organic-inorganic hybrid nanostructure by liquid crystal phase transition in anisotropic field

      WAKITANI Naoyuki, HARA Mitsuo, NAGANO Shusaku, SEKI Takahiro

      Proceedings of Japanese Liquid Crystal Society Annual meeting  2015  Japanese Liquid Crystal Society

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      Event date: 2015 - 2015

      Language:Japanese  

      As Brij 56 (a typical non-ionic surfactant consisting of polyoxyethylene cetyl ether) exhibits a lyotropic liquid crystalline nature in a water system, we used the lyotropic phase as a nanotemplate via a sol-gel reaction. Submicron-thick Brij 56/silica hybrid films were prepared from Brij 56/tetraethoxysilane precursors with various molar ratios onto glass or silicon substrates by spincast method. The resulting films were characterized by grazing-incidence small-angle X-ray scattering measurements, and transmission electron microscope observations. As a result, the films had ordered-nanostructures derived from the lyotropic phase of Brij 56. In particular, the nanostructures aligned perpendicular to the substrate in case that the weight content of Brij 56 in the hybrid film was equal to the amounts between a micellar cubic phase and a hexagonal phase.

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    • PA33 Orientation of liquid crystalline cyanobiphenyl polymer with acrylate and methacrylate main chain

      TANAKA Daisuke, NAGASHIMA Yuki, HARA Mitsuo, NAGANO Shusaku, SEKI Takahiro

      Proceedings of Japanese Liquid Crystal Society Annual meeting  2015  Japanese Liquid Crystal Society

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      Event date: 2015 - 2015

      Language:Japanese  

      Smectic liquid crystalline polymers (SLCPs) typically exhibit homeotropic orientation on a substrate. In this presentation, we report that two SLCPs with the little difference between acrylate and methacrylate main chains exhibit the opposite LC orientation manners. Poly(cyanobiphenyl acrylate) (PCBA) and poly(cyanobiphenyl methacrylate) (PCBMA) exhibited homeotropic and random planer orientation in thin films, respectively. Alternating overcoating films of PCBA and PCBMA with each other were prepared by inkjet method. We found that the top-coated polymer dominated the LC orientation in the overcoating films.

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    • Photo-Induced Motions in Surface-Grafted Azobenzene Liquid Crystalline Polymer Brushes

      30 11 2014 

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    • Liquid Crystalline Polymer Brush via Surface Segregation of Side-Chain Azobenzene Block Copolymer

      29 11 2014 

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    • Alignment Control of the Hydrophilic-Hydrophobic Lamellar Structure of Liquid Crystalline Random Copolymer

      29 11 2014 

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    • Pathways toward the Photoinduced Realignment System in Liquid Crystalline Azobenzene Block Copolymer Thin Films

      29 11 2014 

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    • Alternating Multilayered Films of n- and p-Type Semiconducting Polymers with Controlled Main Chain Orientation

      26 11 2014 

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    • New Strategy for Photoalignment of Liquid Crystalline Polymers

      26 11 2014 

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    • Aggregated Structure of Semiconductive Polymer Blends in Phase Separated State

      1 11 2014 

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    • Preparation of Vertically Aligned Mesoporous Titania Film

      1 11 2014 

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    • Free-Surface Command Layer for Photoalignment of Liquid Crystalline Polymers

      1 11 2014 

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    • 液晶性高分子薄膜のフリー界面からの配向制御 International conference

      永野修作

      戦略目標「プロセスインテグレーションによる 次世代ナノシステムの創製」の3研究領域合同公開シンポジウム(第3回)  1 10 2014 

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      Venue:コクヨホール 東京ショールーム2階  

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    • Photoinduced Motions of Azobenzene Mesogens in Homo and Diblock Copolymer Polymer Brushes International conference

      24 9 2014 

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    • ナフタセンキノンデンドリマーのフォトクロミズムによる表面レリーフ形成 International conference

      守山 雅也, 植島 智美, 河野 尚洋, 甲斐 秀平, 武島 隆宏, 永野 修作, 関 隆広

      第63回高分子討論会  24 9 2014 

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      Venue:長崎大学  

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    • 超微細インクジェット法を用いた微小液滴により形成される導電性ポリマーブレンドの微細相分離構造 International conference

      水野 佑, 原 光生, 永野 修作, 関 隆広

      第63回高分子討論会  24 9 2014 

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      Venue:長崎大学  

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    • アゾベンゼン高分子の構造に依存した弾性率の光変調と表面リンクルへの応用 International conference

      武島 隆宏, 原 光生, 永野 修作, 関 隆広

      第63回高分子討論会  24 9 2014 

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      Venue:長崎大学  

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    • 空気界面からのコマンド作用による高分子液晶膜の光配向制御 International conference

      福原 慶, 原 光生, 永野 修作, 関 隆広

      第63回高分子討論会  24 9 2014 

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      Venue:長崎大学  

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    • 側鎖型液晶性ブロックコポリマー鎖による表面偏析現象とその液晶構造 International conference

      向井 孝次, 原 光生, 永野 修作, 関 隆広

      第63回高分子討論会  24 9 2014 

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      Venue:長崎大学  

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    • 有機/無機複合ナノ構造の垂直配向に適したリオトロピック液晶材料の設計 International conference

      原 光生, 永野 修作, 関 隆広

      第63回高分子討論会  24 9 2014 

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      Venue:長崎大学  

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    • 超微細インクジェット法により作製した微小液滴から形成される伝導性ポリマーブレンドの微細相分離構造 International conference

      水野 佑, 原 光生, 永野 修作, 関 隆広

      応用物理学会秋季学術講演会  17 9 2014 

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      Venue:北海道大学  

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    • リオトロピック液晶相を鋳型とした垂直配向性チタニアメソ多孔膜の調製法開発応用 International conference

      小栗良太, 原光生, 永野修作, 関 隆広

      2014年 日本液晶学会 討論会  8 9 2014 

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      Venue:松江 くにびきメッセ  

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    • 液晶メソゲンとオリゴエチレンオキサイドを側鎖に持つランダム共重合体の親水-疎水ラメラ構造とその配向制御 International conference

      田中大介, 原, 光生, 永野修作, 関, 隆広

      2014年 日本液晶学会 討論会  8 9 2014 

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      Venue:松江 くにびきメッセ  

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    • アモルファス-液晶ブロック共重合体が示す動的光配向挙動の速度論的考察 International conference

      佐野 誠実, 永野修作

      第149回東海高分子研究会講演会(2014年夏季合宿)  5 9 2014 

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      Venue:湯ノ山温泉 湯元グリーンホテル  

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    • 表面偏析した側鎖型液晶性ブロックコポリマー鎖の液晶構造 International conference

      向井孝次, 原光生, 永野修作, 関隆広

      第149回東海高分子研究会講演会(2014年夏季合宿)  5 9 2014 

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      Venue:湯ノ山温泉 湯元グリーンホテル  

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    • インクジェット法により作製される微小液滴内の導電性ポリマーブレンドの微細相分離構造 International conference

      水野 佑, 原, 光生, 永野, 修作 関 隆広

      第149回東海高分子研究会講演会(2014年夏季合宿)  5 9 2014 

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      Venue:湯ノ山温泉 湯元グリーンホテル  

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    • アゾベンゼンメソゲンとオリゴエチレンオキサイドを側鎖にもつランダム共重合体の親水-疎水ラメら構造とその配向制御 International conference

      田中大介, 原光生, 永野修作, 関隆広

      第149回東海高分子研究会講演会(2014年夏季合宿)  5 9 2014 

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      Venue:湯ノ山温泉 湯元グリーンホテル  

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    • Nano-groove Silica Film Assisted by Lyotropic Liquid Crystal

      24 8 2014 

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    • High Density Liquid Crystalline Azobenzene Polymer Brush by Surface-Initiated Ring Opening Metathesis Polymerization

      24 8 2014 

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    • Plasmonic Properties of Gold Nanoparticles in Monoaxially-oriented Liquid Crystalline Azobenzene Polymer Film

      24 8 2014 

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    • Kinetic aspects for dynamic photoalignment behaviors of liquid crystalline azobenzene block copolymer thin film

      24 8 2014 

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    • Hierarchical Active Motions in Microphase Separated Nanostructure of Liquid Crystalline Azobenzene Block Copolymer Invited

      24 8 2014 

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    • Alignment Control of the Hydrophilic-Hydrophobic Lamellar Structure of Liquid Crystalline Random Copolymer

      23 7 2014 

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    • Incorporation of Hetero Liquid Crystal Orientations and Monoaxial Photoaligned Microphase Separated Structure in LC-LC Diblock Copolymer Thin Film

      23 7 2014 

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    • Free Surface Command Layar for Photoalignment of Liquid Crystallinine Polymers

      23 7 2014 

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    • Photoalignment of liquid crystalline polymers cmmanded from the free surface

      21 7 2014 

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    • 液晶場における金ナノ粒子のプラズモン特性 International conference

      田中大介, 中村梓友子, 原光生, 永野修作, 関隆広

      第18回液晶化学研究会シンポジウム  14 6 2014 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:香川大学工学部  

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    • 液晶性アゾベンゼンブロック共重合体の偏光および配向界面による配向制御 International conference

      佐野 誠実, Landenberger Kira, 原 光生, 永野 修作, 川月 喜弘, 関 隆広

      第18回液晶化学研究会シンポジウム  14 6 2014 

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      Venue:香川大学工学部  

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    • 表面偏析した液晶性ブロックコポリマー膜におけるポリマーブラシ形成 International conference

      向井孝次, 原光生, 永野修作, 関隆広

      第18回液晶化学研究会シンポジウム  14 6 2014 

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      Venue:香川大学工学部  

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    • 自由界面からの高分子液晶薄膜の配向制御 Invited International conference

      永野修作

      第18回液晶化学研究会シンポジウム  14 6 2014 

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      Venue:香川大学工学部  

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    • 高分子ブラシ上に表面偏析した液晶性ブロックコポリマー膜 International conference

      向井孝次, 原光生, 永野修作, 関隆広

      平成26年度繊維学会年次大会(創立70周年記念大会)  11 6 2014 

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      Venue:タワーホール船堀  

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    • 液晶アゾベンゼン高分子の弾性率変化を利用した表面微細リンクルパターンの光制御 International conference

      武島 隆宏, 原 光生, 永野 修作, 関 隆広

      平成26年度繊維学会年次大会(創立70周年記念大会)  11 6 2014 

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      Venue:タワーホール船堀  

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    • 垂直配向性メソポーラスチタニア膜の調製と色素増感太陽電池電極への応用 International conference

      小栗 良太, 原 光生, 永野 修作, 関 隆広

      第63回高分子学会年次大会  28 5 2014 

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      Venue:名古屋 国際会議場  

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    • Langmuir-Schaefer法によるn型およびp型導電性高分子単分子膜の主鎖配向制御と交互積層膜の形成 International conference

      大野 慶太, 岩附 紘子, 原 光生, 永野 修作, 関 隆広

      第63回高分子学会年次大会  28 5 2014 

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      Venue:名古屋 国際会議場  

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    • 表面に偏析された液晶性ブロック鎖のポリマーブラシ構造形成 International conference

      向井 孝次, 原 光生, 永野 修作, 関 隆広

      第63回高分子学会年次大会  28 5 2014 

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      Venue:名古屋 国際会議場  

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    • 液晶性アゾベンゼン高分子の弾性率変化による表面微細リンクルパターンの光制御 International conference

      武島 隆宏, 原 光生, 永野 修作, 関 隆広

      第63回高分子学会年次大会  28 5 2014 

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      Venue:名古屋 国際会議場  

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    • 液晶性アゾベンゼンブロック共重合体の偏光および配向界面による配向応答 International conference

      佐野 誠実, Landenberger Kira, 原 光生, 永野 修作, 川月 喜弘, 関 隆広

      第63回高分子学会年次大会  28 5 2014 

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      Venue:名古屋 国際会議場  

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    • 超微細インクジェット法による微少液滴内のポリマーブレンド相分離構造 International conference

      水野 佑, 芹澤 祐真, 福原 慶, 原 光生, 永野 修作, 関 隆広

      第63回高分子学会年次大会  28 5 2014 

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      Venue:名古屋 国際会議場  

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    • 超微細インクジェット法による微小空間制限されたミクロ相分離構造のモルフォロジー International conference

      平川 篤史, 原 光生, 永野 修作, 関 隆広

      第63回高分子学会年次大会  28 5 2014 

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      Venue:名古屋 国際会議場  

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    • 機能性高分子の組織制御 Invited International conference

      永野修作

      関西学院大学理工学部講演会  16 5 2014 

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      Venue:神戸三田キャンパス 理工学部本館 2F206号教室  

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    • 液晶性アゾベンゼンポリマーの弾性率変化による表面微細リンクルパターンの光制御 International conference

      武島 隆宏, 原 光生, 永野 修作, 関 隆広

      日本化学会第94春季年会  27 3 2014 

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      Venue:名古屋大学  

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    • 光応答性液晶-液晶ジブロック共重合体薄膜における両メソゲンおよびミクロ相分離構造の光配向制御 International conference

      別府 功一朗, 原 光生, 永野 修作, 関 隆広

      日本化学会第94春季年会  27 3 2014 

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      Venue:名古屋大学  

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    • 液晶高分子が形成するミクロ相分離シリンダー構造の3D光配向スイッチ International conference

      永島 悠樹, 原 光生, 永野 修作, 関 隆広

      日本化学会第94春季年会  27 3 2014 

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      Venue:名古屋大学  

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    • 実空間観察による液晶性アゾベンゼンブロック共重合体が示す動的光配向の考察 International conference

      佐野 誠実, 原 光生, 永野 修作, 関 隆広

      日本化学会第94春季年会  27 3 2014 

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      Venue:名古屋大学  

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    • 偏光配向性を持つ光重合開始剤の合成と光プロセスによる表面リンクル構造誘起 International conference

      山岡 大智, 原 光生, 永野 修作, 関 隆広

      日本化学会第94春季年会  27 3 2014 

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      Venue:名古屋大学  

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    • 溶媒アニール処理によるPS-b-PMB薄膜のミクロ相分離構造変化 International conference

      平川 篤史, 福原 慶, 原 光生, 永野 修作, 関 隆広

      日本化学会第94春季年会  27 3 2014 

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      Venue:名古屋大学  

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    • 両親媒性ブロック共重合体を鋳型とした垂直配向性メソポーラスチタニア膜の調製と応用 International conference

      小栗 良太, 原 光生, 永野 修作, 関 隆広

      日本化学会第94春季年会  27 3 2014 

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      Venue:名古屋大学  

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    • 超微細インクジェット法を用いて作製した微少ポリマーブレンドの相分離構造 International conference

      水野 佑, 芹澤 祐真, 福原 慶, 原 光生, 永野 修作, 関 隆広

      日本化学会第94春季年会  27 3 2014 

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      Venue:名古屋大学  

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    • Langmuir-Schaefer法を用いたn型導電性高分子の主鎖配向膜の調製およびP3HTとの交互積層膜の形成 International conference

      大野 慶太, 岩附 紘子, 原 光生, 永野 修作, 関 隆広

      日本化学会第94春季年会  27 3 2014 

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      Venue:名古屋大学  

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    • 表面偏析した液晶ブロックコポリマー膜のポリマーブラシ構造 International conference

      向井 孝次, 原 光生, 永野 修作, 関 隆広

      日本化学会第94春季年会  27 3 2014 

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      Venue:名古屋大学  

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    • 空気界面からの高分子液晶材料の光配向制御 International conference

      福原 慶, 永野 修作, 原 光生, 関 隆広

      日本化学会第94春季年会  27 3 2014 

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      Venue:名古屋大学  

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    • リオトロピック液晶の分子設計に基づく垂直配向メソポーラス膜の調製 International conference

      原 光生, 永野 修作, 関 隆広

      日本化学会第94春季年会  27 3 2014 

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      Venue:名古屋大学  

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    • 光応答性側鎖型液晶ブロック共重合体が示す動的光配向挙動の考察 International conference

      佐野 誠実, 原 光生, 永野 修作, 関 隆広

      第61回応用物理学会春季学術講演会  17 3 2014 

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      Venue:青山学院大学相模原キャンパス  

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    • LS法によるn型導電性高分子とp型導電性高分子の主鎖配向交互積層膜の調製 International conference

      大野 慶, 原 光生, 永野 修作, 関 隆広

      第61回応用物理学会春季学術講演会  17 3 2014 

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      Venue:青山学院大学相模原キャンパス  

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    • 超微細インクジェット法による微少液滴内高分子ブレンドの相分離構造 International conference

      水野 佑, 福原 慶, 原 光生, 永野 修作, 関 隆広

      第61回応用物理学会春季学術講演会  17 3 2014 

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      Venue:青山学院大学相模原キャンパス  

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    • Preparation and application of vertically aligned mesoporous t itania film templated by amphiphilic block copolymer

      Oguri Ryota, Hara Mitsuo, Nagano Shusaku, Seki Takahiro

      Proceedings of Japanese Liquid Crystal Society Annual meeting  2014  THE JAPANESE LIQUID CRYSTAL SOCIETY

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      Event date: 2014 - 2014

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      <p> Organic/inorganic hybrid films were prepared onto substrates by spin-coating of mixtures of an amphiphilic block copolymer, polystyrene-block-poly(ethylene oxide) dib lock copolymer, and alkoxy titanium via evaporation-mediated direct templating process. After calcination of the resulting films, field emission-scanning electron microscope observations and grazing-incidence small-angle X-ray scattering measurements were performed. As a result, the calcinated films possessed the vertically aligned mesopores. The vertically aligned mesoporous titania films are used as a titania electrode in a dye-sensitized solar cell. Incident photon -to-current efficiency of the vertically -aligned mesoporous titania films have approximately 4 times improvement as compared to one of non-mesostructured titania films.</p>

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    • Photoinduced Phase Transition of Azobenzene-Containing Polysiloxane Smectic Liquid Crystal Elastomers

      11 12 2013 

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    • Preparation of Vertically Aligned Mesoporous Titania Film

      11 12 2013 

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    • アゾベンゼンを含む液晶性ブロック共重合体が示すミクロ相分離構造の光配向過程/Photoreorientation process of micro-phase separation structure in a liquid crystalline azobenzene block copolymer thin film International conference

      佐野誠実, 原光生, 永野修作, 篠原裕也, 雨宮慶幸, 関隆広

      第23回日本MRS年次大会  8 12 2013 

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      Venue:横浜  

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    • Photoresposive Azobenzene-Containing Polysiloxane Smectic Liquid Crystal Elastomers International conference

      D. Tanaka, M. Hara, S. Nagano, T. Seki

      第23回日本MRS年次大会  8 12 2013 

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      Venue:横浜  

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    • Multifarious Photocontrol of Microstructural Orientation in Liquid Crystalline Random Copolymers Having Two Mesogenic Groups International conference

      8 12 2013 

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    • 光応答性液晶-液晶ジブロック共重合体薄膜における特異な階層構造形成と光配向制御/Liquid crystalline and microphased separated structure orientation ofdiblock copolymer composed of two liquid crystalline polymer blocks inthin film International conference

      別府功一朗, 原光生, 永野修作, 関隆広

      第23回日本MRS年次大会  8 12 2013 

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      Venue:横浜  

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    • Humid-Induced Organized Nanostructure of Polyimide Having Sulfonated Alkyl Side-Chain in Thin Films International conference

      8 12 2013 

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    • 波長角度同時分散型のX線反射率測定による高分子の界面構造 International conference

      荒川悦雄, フォグリ ヴォルフガング, 松下 正, 矢野陽子, 関 隆広, 永野修作

      第33回表面科学学術講演会・第54回真空に関する連合講演会  26 11 2013 

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      Language:Japanese   Presentation type:Oral presentation (invited, special)  

      Venue:つくば国際会議場  

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    • Active Phoro-Reorientation Behavior in Liquid Crystalline Azobenzen Block Copolymer Thin Films

      7 11 2013 

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    • Changes in Microhase Separation in PS-b-PMB Thin Films thorugh Annealing Process

      7 11 2013 

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    • Synthesis and Characterizations of Photoalignable Radical Initiator

      7 11 2013 

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    • 結び目を有する環状高分子の合成とトポロジー解析 International conference

      澤木大輝, 高野敦志, 永野修作, 関隆広, 松下裕秀

      第44回中部化学関係学協会支部連合秋季大会  2 11 2013 

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      Language:Japanese   Presentation type:Oral presentation (general)  

      Venue:静岡大学浜松キャンパス  

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    • ブロック共重合体の液晶相転移とゾルゲル法を利用した垂直配向メソポーラス膜の調製と応用 International conference

      小栗良太, 釜 由布子, 原 光生, 永野修作, 関 隆広

      第145回東海高分子研究会講演会  27 9 2013 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:長良川観光ホテル 石金  

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    • 液晶性アゾベンゼン高分子の弾性変調による表面微細リンクルパターンの光制御 International conference

      武島 隆宏, 廖 婉渝, 原 光生, 永野 修作, 関 隆広

      第145回東海高分子研究会講演会  27 9 2013 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:長良川観光ホテル 石金  

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    • アニール処理に伴うPS-β-PMB薄膜のミクロ相分離構造変化 International conference

      平川 篤史, 福原 慶, 原 光生, 永野修作, 関 隆広

      第145回東海高分子研究会講演会  27 9 2013 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:長良川観光ホテル 石金  

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    • 偏光配向応答性を併せ持つ光重合開始剤の合成 International conference

      山岡大地, 原 光生, 永野修作, 関 隆広

      第145回東海高分子研究会講演会  27 9 2013 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:長良川観光ホテル 石金  

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    • 偏光配向応答性を併せ持つ光重合開始剤の合成 International conference

      山岡大地, 原 光生, 永野修作, 関 隆広

      第145回東海高分子研究会講演会  27 9 2013 

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      Venue:長良川観光ホテル 石金  

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    • High Density Liquid Crystalline Azobenzene Polymer Brush Attained by Surface-Initiated Ring Opening Metathesis Polymerization

      22 9 2013 

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    • Molecular Order Coupled Reversible Photoinduced Volume Transition Observed in Liquid Crystalline Polymer Gels

      22 9 2013 

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    • Active Photoalignment of Microphase Separetion Cylinders in a Liguid Crystalline Azobenzen Block Copolymer thin film

      22 9 2013 

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    • Liquid Crystalline Polymer and Block Copolymer Domain Alignment Controlled by Free Surface Segregation

      22 9 2013 

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    • Hierarchical Motions Photoalignment in Liquid Crystalline Azobenzene Block Copolymer Thin Film

      22 9 2013 

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    • Photoinduced Phase Transitions between Calamitic and Discotic Mesophases in a Triphenylene-Azobenzene System

      22 9 2013 

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    • 空気界面からの液晶ブロックポリマー薄膜の配向制御と光応答

      福原 慶, 永島 悠樹, 原 光生, 永野 修作, 関 隆広

      2013年度第74回応用物理学会秋季学術講演会/2013JSAP-MRS Joint Symposia  16 9 2013 

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      Language:Japanese   Presentation type:Oral presentation (general)  

      Venue:同志社大学  

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    • Alignment Control of Liquid Crystalline Polymer and Block Copolymer Domains via a Segregated Free Surface Layer

      16 9 2013 

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    • 液晶性ブロック共重合体が示す動的光配向の速度論的考察 International conference

      佐野 誠実, 原 光生, 永野 修作, 篠原 裕也, 雨宮 慶幸, 関 隆広

      2013年度第74回応用物理学会秋季学術講演会/2013JSAP-MRS Joint Symposia  16 9 2013 

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      Venue:同志社大学  

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    • Hierarchical Photoorientation Behavior in Liquid crystalline Azobenzene Block Copolymer Thin Films

      16 9 2013 

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    • 気-水界面を用いたF8T2主鎖配向膜の調製とそのFET特性 International conference

      岩附 紘子, 永野 修作, 田中 久暁, 伊東 裕, 黒田 新一, 関 隆広

      2013年度第74回応用物理学会秋季学術講演会/2013JSAP-MRS Joint Symposia  16 9 2013 

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      Venue:同志社大学  

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    • Oriented Ultrathin Films of Poly(9,9-dioctylfluorenebithiophene) Prepared on Water Surface and Their Field-Effect Mobility

      16 9 2013 

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    • 液晶アゾベンゼンポリマーの弾性変調による表面リンクルパターンの光制御 International conference

      武島 隆宏, 永野 修作, 関 隆広

      2013年度第74回応用物理学会秋季学術講演会  16 9 2013 

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      Venue:同志社大学  

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    • Preparation of Main Chain Alignment LS Films for Fully Hydrophobic Conjugated Polymers by cospreading with Liquid Crystal Molecule

      16 9 2013 

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    • High Density Liquid Crystalline Azobenzene Polymer Brush Attained by Surface-Initiated Ring Opening Metathesis Polymerization

      16 9 2013 

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    • 液晶性アゾベンゼンポリマーの光誘起弾性率変化による 表面微細リンクルパターンの光制御 International conference

      武島 隆宏, 廖 婉渝, 原 光生, 永野 修作, 関 隆広

      第62回高分子学会討論会  11 9 2013 

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      Venue:金沢大学  

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    • アゾベンゼン誘導体への光重合開始基の導入と光応答 International conference

      山岡 大智, 原 光生, 永野 修作, 関 隆広

      第62回高分子学会討論会  11 9 2013 

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      Venue:金沢大学  

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    • 液晶性ブロック共重合体が示す動的光配向についての速度論的考察 International conference

      佐野 誠実, 原 光生, 永野 修作, 篠原 裕也, 雨宮 慶幸, 関 隆広

      第62回高分子学会討論会  11 9 2013 

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      Venue:金沢大学  

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    • 超微細インクジェットによる微少ポリマーブレンド液滴の相分離構造 International conference

      芹澤 祐真, 福原 慶, 水野 佑, 永野 修作, 原 光生, 関 隆広

      第62回高分子学会討論会  11 9 2013 

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      Venue:金沢大学  

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    • リオトロピック液晶の相転移にて誘起される垂直配向構造を有する有機/無機複合フィルム International conference

      原 光生, 釜 由布子, 永野 修作, 関 隆広

      第62回高分子学会討論会  11 9 2013 

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      Venue:金沢大学  

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    • 液晶性アゾベンゼンブロック共重合体薄膜のミクロ相分離構造の光制御 International conference

      永野 修作, 関 隆広

      第62回高分子学会討論会  11 9 2013 

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      Venue:金沢大学  

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    • フォトクロミックナフタセンキノンデンドリマー薄膜の光誘起表面レリーフ形成 International conference

      植島 智美, 河野 尚洋, 内田 裕也, 永野 修作, 関 隆広, 守山 雅也

      第62回高分子学会討論会  11 9 2013 

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      Venue:金沢大学  

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    • Role of underlying amorphous polymer layers on the liquid crystalline azobenzene mesogens in the ultrathin diblock copolymer brushes International conference

      11 9 2013 

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    • リオトロピック液晶の相転移を利用した垂直配向メソポーラス膜の調製 International conference

      原 光生, 釜 由布子, 永野 修作, 関 隆広

      2013年日本液晶学会討論会  8 9 2013 

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      Venue:大阪大学  

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    • 液晶性アゾベンゼンブロック共重合体が示す配向挙動の考察:ホモポリマーとの比較によるアプローチ International conference

      佐野誠実, 原 光生, 永野修作, 篠原裕也, 雨宮慶幸, 関 隆広

      2013年日本液晶学会討論会  8 9 2013 

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      Venue:大阪大学  

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    • 側鎖にスルホン基を有する芳香族ポリイミドの組織構造とプロトン伝導性 International conference

      岩附紘子, 原光生, 永野修作, 関隆広, 野呂優喜, Karthik Krishnan, 長尾祐樹

      2013年日本液晶学会討論会  8 9 2013 

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      Venue:大阪大学  

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    • 偏光配向応答性を持つ光重合開始剤の合成 International conference

      山岡 大智, 原 光生, 永野 修作, 関 隆広

      2013年日本液晶学会討論会  8 9 2013 

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      Venue:大阪大学  

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    • 液晶性アゾベンゼンポリマーの弾性変調による表面微細リンクルパターンの光制御 International conference

      武島隆宏, 廖婉渝, 原光生, 永野修作, 関隆広

      2013年日本液晶学会討論会  8 9 2013 

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      Venue:大阪大学  

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    • Liquid Crystalline Polymer and Block Copolymer Domain Alignment Controlled via Free Surface Segregation

      29 8 2013 

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    • Oriented Ultrathin Films of Poly(9,9-dioctylfluorenebithiophene) Prepared by Cospreading with Liquid Crystal Molecule on Water and Their Field-Effect Mobility

      29 8 2013 

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    • Liquid crystalline orientation in microphased separated structure of photoresponsive liquid crystalline and liquid crystalline diblock copolymer films

      29 8 2013 

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    • Time resolved X-ray reflectometry from photoresponsive polymer monolayer Langmuir-Blodgett films under ultraviolet irradiation

      28 8 2013 

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    • Synthesis of Photoalignable Radical Initiator and Characterizations

      27 6 2013 

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    • Micro-wrinkle Structure in Grafted Polymer Film of Azobenzene on Elastomer Substrate

      27 6 2013 

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    • Alignment Control of Liquid Crystalline Polymer and Block Copolymer Domains by a Segregated Free Surface Layer

      27 6 2013 

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    • Preparation of structural colored materials by Layer-by-Layer deposition

      27 6 2013 

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    • ブロック共重合体のリオトロピック液晶相をテンプレートとして調製した垂直配向メソポーラスチタニア膜 International conference

      釜 由布子, 原 光生, 永野 修作, 関 隆広

      第62回高分子学会年次大会  29 5 2013 

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      Venue:京都国際会議場  

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    • Highly Controlled Azobenzene Liquid Crystalline Brush Unveiled by Ring Opening Metathesis Polymerization International conference

      Hafiz Ashraful Haque, Shusaku Nagano, Takahiro Seki

      第62回高分子学会年次大会  29 5 2013 

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      Venue:京都国際会議場  

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    • 空気界面からの液晶ブロック共重合体薄膜の配向制御と光応答 International conference

      福原 慶, 永島 悠樹, 原 光生, 永野 修作, 関 隆広

      第62回高分子学会年次大会  29 5 2013 

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      Venue:京都国際会議場  

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    • 液晶性ブロック共重合体が示す動的光配向についての速度論的考察 International conference

      佐野 誠実, 原 光生, 永野 修作, 篠原 裕也, 雨宮 慶幸, 関 隆広

      第62回高分子学会年次大会  29 5 2013 

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      Venue:京都国際会議場  

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    • 気-水界面を用いたpoly(9,9-dioctylfluorenebithiophene)主鎖配向膜の調製とそのFET特性 International conference

      岩附 紘子, 永野 修作, 田中 久暁, 伊東 裕, 黒田 新一, 関 隆広

      第62回高分子学会年次大会  29 5 2013 

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      Venue:京都国際会議場  

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    • 液晶性アゾベンゼンを含むブロック共重合体薄膜の光配向過程の階層的挙動 International conference

      中村 梓友子, 佐野 誠実, 原 光生, 永野 修作, 関 隆広

      第62回高分子学会年次大会  29 5 2013 

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      Venue:京都国際会議場  

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    • 光応答性液晶-液晶ジブロック共重合体が形成するミクロ相分離構造内のメソゲン配向制御 International conference

      別府 功一朗, 永野 修作, 関 隆広

      第62回高分子学会年次大会  29 5 2013 

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      Venue:京都国際会議場  

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    • ランダム共重合側鎖型液晶高分子の面内-面外光配向制御とブロック共重合体への展開 International conference

      永島 悠樹, 原 光生, 永野 修作, 関 隆広

      第62回高分子学会年次大会  29 5 2013 

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      Venue:京都国際会議場  

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    • アゾベンゼン骨格を持つ光開始剤の合成 International conference

      山岡 大智, 原 光生, 永野 修作, 関 隆広

      第62回高分子学会年次大会  29 5 2013 

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      Venue:京都国際会議場  

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    • エラストマー基板上へのアゾベンゼングラフト膜の調製とリンクル微細構造の形成 International conference

      武島 隆宏, 永野 修作, 関 隆広

      第62回高分子学会年次大会  29 5 2013 

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      Venue:京都国際会議場  

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    • 交互積層法を用いた構造発色性材料の作製 International conference

      岩田 政典, 手島 翠, 竹岡 敬和, 関 隆広

      第62回高分子学会年次大会  29 5 2013 

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      Venue:京都国際会議場  

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    • 超微細インクジェット技術によるPS/ポリヘキシルチオフェンブレンドの微小ドメイン形成と相分離構造 International conference

      芹澤 祐真, 福原 慶, 原 光生, 永野 修作, 関 隆広

      第62回高分子学会年次大会  29 5 2013 

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      Venue:京都国際会議場  

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    • アルコキシテールを有する液晶性アゾベンゼン含有ブロック共重合体の熱安定性の向上 International conference

      内藤 大士, 原 光生, 永野 修作, 関 隆広

      第62回高分子学会年次大会  29 5 2013 

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      Venue:京都国際会議場  

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    • ランダム共重合側鎖型液晶高分子の光による面内-面外配向制御 International conference

      永島 悠樹, 佐野 誠実, 永野 修作, 関 隆広

      2013年 第60回応用物理学会春季学術講演会  27 3 2013 

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      Venue:神奈川工科大学  

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    • 光応答液晶-液晶ジブロック共重合体の面内および面外光配向制御 International conference

      別府 功一朗, 土肥 知樹, 永野 修作, 関 隆広

      2013年 第60回応用物理学会春季学術講演会  27 3 2013 

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      Venue:神奈川工科大学  

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    • ミクロ相分離構造の光アクティブ制御と再配向挙動解析 International conference

      永野修作

      2013年 第60回応用物理学会春季学術講演会  27 3 2013 

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      Venue:神奈川工科大学  

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    • Hierarchical Photoorientation Behaviors in Liquid crystalline azobenzene Block Copolymer Thin Film International conference

      17 3 2013 

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    • A alignment Control of Liquid Crystal and Block Copolymer Domains via a Segregated Free Surface Layer International conference

      17 3 2013 

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    • Photo-responsive Liquid Crystalline Brush Unveiled by Surface-initiated Ring Opening Metathesis Polymerization International conference

      17 3 2013 

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    • 波長角度同時分散型X線反射率計による水晶基板上光応答高分子6Az10-PVA単分子膜の紫外光照射に伴う構造変化時分割測定 International conference

      荒川悦雄, 松下正, Voegeli Wolfgang, 矢野陽子, 関隆広, 永野修作

      第26回日本放射光学会年会放射光科学合同シンポジウム  12 1 2013 

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      Venue:名古屋大学  

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    • Vertically Aligned Mesostructures of Silica/Block Copolymer Surfactants Hybrid Films Induced by Sphere-Cylinder Phase Transition

      16 12 2012 

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    • Photoalignment of microphase separation in liquid crystalline azobenzene diblock copolymer combined with crystalline block

      16 12 2012 

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    • Photoalignment behavior of microphase separation in thin films of liquid crystalline azobenzene block copolymers evaluated by TEM observation

      11 12 2012 

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    • Multifarious Photocontrol of Molecular Orientation in Liquid Crystalline Random Copolymers Containing Two Mesogenic Groups

      11 12 2012 

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    • Oriented ultrathin films of poly(9,9-dioctylfluorenebithiophene) prepared by LS method and their FET mobility

      11 12 2012 

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    • Light-driven morphology inductions and alternations in liquid crystalline polymer thin films

      11 12 2012 

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    • 光を用いたナノ構造の構築と配向制御-ミクロ相分離構造を使ったアプローチ- International conference

      永野修作

      平成24年度フォトポリマー講演会「先端インテリジェントフォトポリマー」  6 12 2012 

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      Venue:東京理科大学 森戸記念館  

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    • Air Side-directed Planer Alignment and Photo-reorientation of Liquid Crystalline Azobenzene Block Copolymers Consisting of Polystyrene and Polyalkylmethacrylate

      25 11 2012 

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    • Active Photoswitching of Microphase Separation Cylinders in a Liquid Crystalline Azobenzene Block Copolymer thin film Invited

      24 10 2012 

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    • ランダム共重合側鎖型液晶高分子の光有機面外および内面配向制御 International conference

      永島悠樹, 永野修作, 関 隆広

      第60回レオロジー討論会  26 9 2012 

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      Venue:名古屋大学  

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    • Surface-Induced Vertical Alignment of silica Mesostructure Templated by Lyotropic Liquid Crystalline Phase

      23 9 2012 

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    • Photoalignment of Microphase Separation in Liquid Crystalline azobenzene Diblock Copolymer Combined with Crystalline Block

      23 9 2012 

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    • Main-Chain Aligned Lagmuir-Schaefer Films of Hydrophobic Conjugated Polymers Prepared by Co-Spread Method with Liquid Crystal Molecule

      23 9 2012 

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    • Dynamic Photorealignment Behavior of Liquid Crystalline Azobenzene Block Copolymer Thin Film with Different Molecular Weight

      23 9 2012 

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    • Vertically Aligned Hexagonal Mesostructures of Silica/Bloc Copolymer Surfactants Hybrid Films Induced by Sphere-Cylinder Phase Transition

      23 9 2012 

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    • Induced Planer Alignment and Photo-Reorientation of Liquid Crystalline Azobenzene Block Copolymer Consisting of Polystyrene

      23 9 2012 

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    • Role of underlying amorphous polymer layers on the liquid crystalline azobenzene mesogens in the ultrathin diblock copolymer brushes

      23 9 2012 

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    • Driving Meso-and Microstructures by Light

      23 9 2012 

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    • ミクロ層分離構造の光配向の階層的挙動 International conference

      永野修作

      第61回高分子討論会  19 9 2012 

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      Venue:名古屋工業大学  

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    • イオン基を持つポリロタキサンを架橋剤に用いた温度応答性環動ゲルの作製と物性評価 International conference

      江崎 健太, 安本 敦, Imran Abu Bin, 竹岡 敬和, 関 隆広, 酒井 康博, 伊藤 耕三

      第61回高分子討論会  19 9 2012 

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      Venue:名古屋工業大学  

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    • ATRPとクリックケミストリーにより構造制御した温度応答性環動ゲルの創製 International conference

      安本 敦, 後藤 弘旭, 後藤 佳恵, Abu Bin Imran, 竹岡 敬和, 関 隆広, 伊藤 耕三, 酒井 康博

      第61回高分子討論会  19 9 2012 

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      Venue:名古屋工業大学  

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    • 化学変換を利用した高極性のブロック共重合体膜の光配向 International conference

      福原 慶, 永野 修作, 関 隆広

      第61回高分子討論会  19 9 2012 

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      Venue:名古屋工業大学  

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    • LB法によるブロック共重合体/金属ナノ粒子二次元複合膜の調製 International conference

      岩附 紘子, 後藤 勝昭, 永野 修作, 関 隆広

      第61回高分子討論会  19 9 2012 

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      Venue:名古屋工業大学  

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    • 液晶性ブロック共重合体を用いた垂直配向シリカナノ多孔膜の調製 International conference

      原 光生, 永野 修作, 関 隆広

      第61回高分子討論会  19 9 2012 

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      Venue:名古屋工業大学  

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    • 液晶性ブロック共重合体薄膜のミクロ相分離構造のTEM観察による光配向挙動の考察 International conference

      中村 梓友子, 佐野 誠実, 永野 修作, 関 隆広

      第61回高分子討論会  19 9 2012 

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      Venue:名古屋工業大学  

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    • ブロック共重合体をテンプレートとした垂直配向メソポーラス膜 International conference

      釜 由布子, 原 光生, 永野 修作, 関 隆広

      第61回高分子討論会  19 9 2012 

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      Venue:名古屋工業大学  

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    • 光応答性液晶-液晶ジブロック共重合体の面内および面外配向制御 International conference

      別府 功一朗, 永野 修作, 関 隆広

      第61回高分子討論会  19 9 2012 

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      Venue:名古屋工業大学  

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    • ランダム共重合比に依存した側鎖型液晶高分子の配向変化とブロック共重合体への応用 International conference

      永島 悠樹, 永野 修作, 関 隆広

      第61回高分子討論会  19 9 2012 

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      Venue:名古屋工業大学  

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    • 液晶性アゾベンゼンポリマーの光誘起弾性変化による表面リンクル構造の制御 International conference

      廖 婉渝, 永野 修作, 関 隆広

      第61回高分子討論会  19 9 2012 

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      Venue:名古屋工業大学  

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    • アゾベンゼンの光異性化を用いたブロック共重合体薄膜における光誘起モルフォロジー転移 International conference

      土肥 知樹, 永野 修作, 関 隆広

      第61回高分子討論会  19 9 2012 

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      Venue:名古屋工業大学  

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    • 波長角度同時分散型X線反射率計による石英基板上光応答高分子6Az10-PVA単分子膜紫外線照射効果時分割測定 International conference

      荒川悦雄, 松下正, Voegeli Wolfgang, 矢野陽子, 関隆広, 永野修作

      日本物理学会2012年秋季大会  18 9 2012 

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      Venue:横浜国立大学  

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    • 超微小吐出インクジェット加工装置を用いた水面展開したポリマー粒子の作製 International conference

      福原 慶, 芹澤祐真, 永野修作, 関 隆広

      2012年秋季 第73回応用物理学会学術講演会  11 9 2012 

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      Venue:愛媛大学・松山大学  

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    • 液晶性ブロック共重合体を用いた有機/無機複合ミクロ相分離ラメラ構造の垂直配向 International conference

      原 光生, 永野修作, 関 隆広

      2012年秋季 第73回応用物理学会学術講演会  11 9 2012 

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      Venue:愛媛大学・松山大学  

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    • 低表面張力ブロック共重合体とのブレンドによる垂直配向性スメクチック液晶高分子のランダムプレーナー配向の誘起 International conference

      永島悠樹, 福原 慶, 永野修作, 関 隆広

      2012年秋季 第73回応用物理学会学術講演会  11 9 2012 

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      Venue:愛媛大学・松山大学  

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    • 液晶混合展開法によるF8T2主鎖配向膜の調製とFET特性の評価 International conference

      岩附紘子, 東健二郎, 田中久暁, 黒田新一, 永野修作, 関 隆広

      2012年秋季 第73回応用物理学会学術講演会  11 9 2012 

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      Venue:愛媛大学・松山大学  

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    • 光誘起した弾性変調を用いた表面微細リンクルパターンの制御 International conference

      廖 婉渝, 永野修作, 関 隆広

      2012年秋季 第73回応用物理学会学術講演会  11 9 2012 

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      Venue:愛媛大学・松山大学  

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    • 液晶性アゾベンゼンブロック共重合体の光配向と実空間観察による配向課程の考察 International conference

      中村梓友子, 佐野誠実, 永野修作, 関 隆広

      2012年日本液晶学会討論会  5 9 2012 

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      Venue:千葉大  

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    • ランダム共重合体比に依存した液晶高分子メソゲンの配向変化とブロック共重合体への適用 International conference

      永島悠樹, 永野修作, 関 隆広

      2012年日本液晶学会討論会  5 9 2012 

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      Venue:千葉大  

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    • ミクロ相分離構造をテンプレートとした有機/無機複合ラメラ構造の垂直配向 International conference

      原 光生, 永野修作, 関 隆広

      2012年日本液晶学会討論会  5 9 2012 

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      Venue:千葉大  

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    • 液晶性アゾベンゼンブロック共重合体薄膜におけるシリンダー構造の光再配向挙動 International conference

      永野修作, 佐野誠実, 永島悠樹, 篠原佑也, 雨宮慶幸, 関 隆広

      2012年日本液晶学会討論会  5 9 2012 

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      Venue:千葉大  

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    • 液晶高分子メソゲンのランダム共重合比による配向制御とブロック共重合体への応用 International conference

      永島悠樹, 佐野誠実, 原 光生, 永野修作, 関 隆広

      第14回東海高分子研究会講演会(夏季合宿)  31 8 2012 

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      Venue:長良川観光ホテル 石金  

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    • アゾベンゼン骨格を有する光ラジカル発生剤の合成 International conference

      山岡大智, 原 光生, 永野修作, 関 隆広

      第14回東海高分子研究会講演会(夏季合宿)  31 8 2012 

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      Venue:長良川観光ホテル 石金  

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    • 光応答性液晶-エキショウジブロック共重合体の配向制御 International conference

      別府 功一朗, 佐野誠実, 原 光生, 永野修作, 関 隆広

      第14回東海高分子研究会講演会(夏季合宿)  31 8 2012 

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      Venue:長良川観光ホテル 石金  

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    • 液晶相を利用したシリカメソ多孔材料の配向制御 Invited International conference

      永野修作

      第7回ケイ素フォーラム  30 8 2012 

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      Venue:相模中央研究所  

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    • Time resolved X-ray reflectometry from photoresponsive azobenzene-containing polymer monolayer Langmuir-Blodgett films under ultraviolet irradiation

      25 7 2012 

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    • Introduction of the Photo-Acid-Generating Unit in a Photoalignable Block Copolymer

      10 7 2012 

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    • Main-chain aligned LS film of poly(9,9-dioctyl fluorine -alt-bithiophene) prepared by co-spread method with liquid crystal molecule

      10 7 2012 

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    • Dynamic photorealignment behavior of liquid crystalline azobenzene block copolymer with different molecular weight

      10 7 2012 

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    • Surface-Directed Vertical Alignments of Silica Mesostructures Templated by Lyotropic Liquid Crystals

      10 7 2012 

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    • Role of underlying amorphous polymer layers on the liquid crystalline azobenzene mesogens in the ultrathin diblock copolymer brushes

      10 7 2012 

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    • Photo-induced high optical anisotropy with an underneath low Tg block in the azobenzene side chain containing diblock copolymer brush International conference

      29 5 2012 

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    • 有機/無機複合ミクロ相分離ラメラ構造の垂直配向誘起とナノテンプレートへの応用 International conference

      原 光生, 永野 修作, 関 隆広

      第61回高分子学会年会  29 5 2012 

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      Venue:パシフィコ横浜  

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    • 実空間観察による液晶性アゾベンゼンブロック共重合体の光配向課程の考察 International conference

      中村梓友子, 佐野誠実, 永野修作, 日影達夫, 関隆広

      第61回高分子学会年会  29 5 2012 

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      Venue:パシフィコ横浜  

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    • 相転移を利用したシリカ/ブロックコポロマー界面活性剤ハイブリッド膜の垂直配向シリンダー構造 International conference

      釜由布子, 原光, 永野修作, 関隆広

      第61回高分子学会年会  29 5 2012 

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      Venue:パシフィコ横浜  

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    • 水面展開を用いたpoly(9,9-dioctylfluorenebithiophene)主鎖配向膜の調製とFET電荷移動度特性 International conference

      岩附紘子, 東健二郎, 田中久暁, 黒田新一, 永野修作, 関隆広

      第61回高分子学会年会  29 5 2012 

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      Venue:パシフィコ横浜  

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    • エラストマー基板上のアゾベンゼンポリマー薄膜における表面リンクルパターンの光応答 International conference

      廖 婉渝, 永野修作, 関隆広

      第61回高分子学会年会  29 5 2012 

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      Venue:パシフィコ横浜  

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    • 偏光顕微鏡による液晶性アゾベンゼンブロック共重合体の光再配向挙動の考察 International conference

      佐野 誠実, 永野 修作, 日影達夫, 篠原 佑也, 雨宮 慶幸, 関 隆広

      第61回高分子学会年会  29 5 2012 

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      Venue:パシフィコ横浜  

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    • 光照射によるブロック共重合体薄膜のミクロ相分離のシリンダー-ラメラ携帯転移の誘起 International conference

      土肥知樹, 永野修作, 関隆広

      第61回高分子学会年会  29 5 2012 

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      Venue:パシフィコ横浜  

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    • 液晶性アゾベンゼン鎖を有するブロック共重合体薄膜での光誘起形態転移 International conference

      土肥知樹, 永野修作, 関隆広

      第16回液晶化学研究会シンポジウム  18 5 2012 

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      Venue:横浜国立大学教育文化ホール(横浜市保土ヶ谷区常盤台79-1)  

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    • アゾベンゼン基およびシアノビフェニル基を側鎖に有する液晶性ランダム共重合体の配向と偏光応答 International conference

      永島悠樹, 永野修作, 関隆広

      第16回液晶化学研究会シンポジウム  18 5 2012 

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      Venue:横浜国立大学教育文化ホール(横浜市保土ヶ谷区常盤台79-1)  

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    • 相転移を利用したシリカ/ブロックコポリマー界面活性剤ハイブリッド膜の垂直配向シリンダー構造 International conference

      釜由布子, 原光, 永野修作, 関隆広

      第16回液晶化学研究会シンポジウム  18 5 2012 

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      Venue:横浜国立大学教育文化ホール(横浜市保土ヶ谷区常盤台79-1)  

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    • 液晶性アゾベンゼンブロック共重合体の動的光配向挙動の考察 International conference

      佐野 誠実, 永野 修作, 篠原 佑也, 雨宮 慶幸, 関 隆広

      第16回液晶化学研究会シンポジウム  18 5 2012 

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      Venue:横浜国立大学教育文化ホール(横浜市保土ヶ谷区常盤台79-1)  

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    • 有機/無機複合ミクロ相分離ラメラ構造の垂直配向 International conference

      原 光生, 永野 修作, 関 隆広

      第16回液晶化学研究会シンポジウム  18 5 2012 

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      Venue:横浜国立大学教育文化ホール(横浜市保土ヶ谷区常盤台79-1)  

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    • 液晶性アゾベンゼンジブロック共重合体薄膜の動的光再配向挙動 International conference

      佐野誠実, 永野修作, 篠原佑也, 雨宮慶幸, 関 隆広

      第92回日本化学会春季年会  25 3 2012 

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      Venue:慶應義塾大学日吉キャンパス  

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    • アゾベンゼンポリマー薄膜を設けたシリコーンエラストマー表面のバックリング現象 International conference

      廖 婉渝, 永野修作, 関 隆広

      第92回日本化学会春季年会  25 3 2012 

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      Venue:慶應義塾大学日吉キャンパス  

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    • 相転移を利用したシリカ/ブロックコポリマー界面活性剤ハイブリッド膜の調製 International conference

      釜 由布子, 原, 光生, 永野修作, 関 隆広

      第92回日本化学会春季年会  25 3 2012 

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      Venue:慶應義塾大学日吉キャンパス  

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    • 高分子界面活性剤/シリカメソ構造体膜中にて相転移により誘起されるヘキサゴナル相の垂直配向 International conference

      釜 由布子, 原 光生, 永野 修作, 関 隆広

      2012年春季 第59回 応用物理学関係連合講演会  18 3 2012 

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      Venue:早稲田大学早稲田キャンパス  

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    • 偏光顕微鏡を用いた液晶性アゾベンゼンブロック共重合体の光再配向挙動の考察 International conference

      佐野 誠実, 永野 修作, 日影 達夫, 篠原 佑也, 雨宮 慶幸, 関 隆広

      2012年春季 第59回 応用物理学関係連合講演会  17 3 2012 

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      Venue:早稲田大学早稲田キャンパス  

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    • 液晶性アゾベンゼン鎖を有するブロック共重合体薄膜の光誘起形態転移 International conference

      土肥 知樹, 永野 修作, 関 隆広

      2012年春季 第59回 応用物理学関係連合講演会  17 3 2012 

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      Venue:早稲田大学早稲田キャンパス  

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    • 円盤状分子のリオトロピック液晶相を鋳型とした垂直配向シリカメソ構造体の形成メカニズム International conference

      原 光生, 永野 修作, 関 隆広

      2012年春季 第59回 応用物理学関係連合講演会  17 3 2012 

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      Venue:早稲田大学早稲田キャンパス  

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    • ミクロ相分離構造を並べる、動かす Invited International conference

      永野修作

      2011年度東海高分子学生講演会  3 3 2012 

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      Venue:名古屋工業大学 2号館1階C棟 0211講義室  

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    • ミクロ相分離構造のアクティブ配向制御 Invited International conference

      永野修作

      次世代の物質科学・ナノサイエンスを探る-さきがけ研究交流に基づく議論の呼びかけ-  6 1 2012 

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      Venue:北海道大学構内遠友学舎  

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    • Photoresponsive thin films for material processings

      Takahiro Seki

      21 12 2011 

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    • Photoalignment and structural study on polynorbornene brush having azobezene liquid crystalline via surface initiated ROMP

      Kei Fukuhara, S.Kakehi, S.Nagano, T.Seki

      21 12 2011 

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    • Nanostructured Organic-Inorganic Hybrid Films Composed of Lyotropic Discotic Liquid Crystal

      Yuko Kama, M. Hara, S.Nagano, T.Seki

      21 12 2011 

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    • Photoalignment of microphase separation in liquid crystaline azobenzen diblock copolymer containing a crystaline block

      Tomoki Dohi, S.Nagano, T.Seki

      21 12 2011 

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    • ミクロ相分離構造を光で並べる、光で動かす Invited International conference

      永野修作

      高分子・ハイブリッド材料研究センター(PHyM)若手フォーラム  21 12 2011  東北大学多元物質科学研究所 高分子・ハイブリッド材料研究センター(PHyM)

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      Venue:東北大学片平キャンパス  

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    • 液晶性アゾベンゼンジブロック共重合体膜におけるミクロ相分離構造の動的光配向 International conference

      佐野誠実, 永野修作, 篠原佑也, 雨宮慶幸, 関隆広

      特定領域「フォトクロミズム」第8回最終公開シンポジウム「フォトクロミズムの新たな跳躍をめざして」  29 11 2011 

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      Venue:東京大学山上会館  

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    • 結晶性ブロックと液晶性アゾベンゼンブロックからなる共重合体薄膜のミクロ相分離構造の光配向 International conference

      土肥知樹, 永野修作, 関隆広

      特定領域「フォトクロミズム」第8回最終公開シンポジウム「フォトクロミズムの新たな跳躍をめざして」  29 11 2011 

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      Venue:東京大学山上会館  

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    • Hierarchical Structure Formation in SRG Inscription in Thin Films of Azobenzene Dendrimers

      29 11 2011 

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    • Fabrication of nanostructure assembly through liquid-crystalline supramolecular block copolymer thin films

      Akio Nishimi, Shusaku Nagano, Takahiro Seki

      19 11 2011 

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    • Photorealignment behavior of micro-phase separation structure in a liquid crystalline azobenzene block copolymer thin film

      Masami SANO, Shusaku NAGANO, Yuya SHINOHARA, Yoshiyuki AMEMIYA, Takahiro SEKI

      19 11 2011 

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    • Fabrication and photoinduced anisotropic behavior of azobenzne containing liquid crystalline diblock copolymer brush

      Hafiz Ashraful Haque, Shusaku Nagano, Takahiro Seki

      19 11 2011 

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    • Light-Directed Structuring and Alignment in Polymer Thin Films

      Takahiro Seki, Shusaku Nagano

      15th International Conference on Thin Films 2011  8 11 2011 

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    • 界面を利用した薄膜の構造形成と配向制御 International conference

      関隆広, 永野修作

      第42回 中部化学関係学協会支部連合秋季大会  5 11 2011 

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      Venue:信州大学(長野キャンパス)  

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    • リオトロピック液晶とチタニアからなる有機/無機ハイブリッド膜の調製 International conference

      釜由布子, 原光生, 永野修作, 関隆広

      第5回物質科学フロンティアセミナー  21 10 2011 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:名古屋大学野依研究館  

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    • トリフェニレン系リオトロピック・ディスコティック液晶とシリカからなるハイブリッドの垂直配向メカニズム International conference

      原光生, 永野修作, 関隆広

      第5回物質科学フロンティアセミナー  21 10 2011 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:名古屋大学野依研究館  

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    • 液晶アゾベンゼンジブロック共重合体の動的光配向過程の考察 International conference

      佐野誠実, 永野修作, 篠原佑也, 雨宮慶幸, 関隆広

      第5回物質科学フロンティアセミナー  21 10 2011 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:名古屋大学野依研究館  

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    • 結晶性ブロックと液晶性アゾベンゼンブロックからなる共重合体薄膜におけるミクロ相分離構造の光応答性と配向 International conference

      土肥知樹, 原光生, 永野修作, 関隆広

      第5回物質科学フロンティアセミナー  21 10 2011 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:名古屋大学野依研究館  

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    • リオトロピック・ディスコティック液晶とチタニアからなる有機/無機ハイブリッド膜のナノ構造と配向 International conference

      釜 由布子, 原 光生, 永野 修作, 関 隆広

      材料バックキャストテクノロジーシンポジウム  17 10 2011 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:名古屋大学 ES総合館  

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    • 液晶性アゾベンゼンブロック共重合体の光再配向挙動の分子量依存性 International conference

      佐野誠実, 永野修作, 篠原佑也, 雨宮慶幸, 関隆広

      材料バックキャストテクノロジーシンポジウム  17 10 2011 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:名古屋大学 ES総合館  

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    • 鋭敏な走光性を示す有機無機ナノハイブリッド材料の創成 International conference

      関 隆広, 西澤かおり, 永野修作

      第9回積水化学 自然に学ぶものづくりフォーラム  17 10 2011 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:日経ホール(東京)  

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    • Hierarchical Structure Formation in SRG Process of Azobenzene Dendrimer

      28 9 2011 

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    • 結晶性ブロックと液晶性アゾベンゼンブロックからなる共重合体薄膜のミクロ相分離構造と光配向 International conference

      土肥 知樹, 原 光生, 二村 佑樹, 永野 修作, 関 隆広

      第60回高分子討論会  28 9 2011 

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      Language:Japanese   Presentation type:Oral presentation (general)  

      Venue:岡山大学  

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    • 金属ナノ粒子と複合化したブロック共重合体表面ミセル膜 International conference

      後藤 勝昭, 永野 修作, 関 隆広

      第60回高分子討論会  28 9 2011 

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      Language:Japanese   Presentation type:Oral presentation (general)  

      Venue:岡山大学  

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    • リオトロピック液晶とチタニアからなる有機/無機ハイブリッド膜のナノ構造と配向 International conference

      釜 由布子, 原 光生, 永野 修作, 関 隆広

      第60回高分子討論会  28 9 2011 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:岡山大学  

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    • 液晶性アゾベンゼンジブロック共重合体の動的光再配向挙動の分子量依存性 International conference

      佐野 誠実, 永野 修作, 篠原 裕也, 雨宮 慶幸, 関 隆広

      第60回高分子討論会  28 9 2011 

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      Language:Japanese   Presentation type:Oral presentation (general)  

      Venue:岡山大学  

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    • Preparation and Photo-responsive Behavior of Azobenzene Liquid Crystalline Di-block Co-polymer Brush International conference

      Hafiz Ashraful Haque, Shusaku Nagano, Takahiro Seki

      28 9 2011 

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    • Dynamic light-directed control of meso- and microstructures in liquid crystalline polymer thin films

      Takahiro Seki, Shusaku Nagano

      KJF International Conference on Organic Materials for Electronics and Photonics  15 9 2011 

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    • Photoalignment and structural study on polynorbornene brush having azobezene liquid crystalline via surface initiated ROMP

      Kei Fukuhara, Soutarou Kakehi, Shusaku Nagano, Takahiro Seki

      KJF International Conference on Organic Materials for Electronics and Photonics  15 9 2011 

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    • Photoreorientation behavior of micro phase separation in liquid crystalline azobenzene diblock copolymer

      Masami SANO, Shusaku NAGANO, Yuya SHINOHARA, Yoshiyuki AMEMIYA, Takahiro SEKI

      KJF International Conference on Organic Materials for Electronics and Photonics  15 9 2011 

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    • Fabrication and Photo-induced Anisotropic Behavior of Azobenzene Liquid Crystalline Di-block Co-polymer Brush.

      Hafiz Ashraful Haque, Shusaku Nagano, Takahiro Seki

      KJF International Conference on Organic Materials for Electronics and Photonics  15 9 2011 

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    • Ideal spread monolayer formation and surface pressure induced b phase and inplane orientation in Poly(9,9'-dioctylfluorene) on a water surface

      Haruki Tomikawa, Akio Toda, Shusaku Nagano, Takahiro Seki

      KJF International Conference on Organic Materials for Electronics and Photonics  15 9 2011 

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    • 液晶性アゾベンゼンジブロックコポリマーの動的光配向過程の考察 International conference

      佐野誠実, 永野修作, 篠原佑也, 雨宮慶幸, 関隆広

      2011年日本液晶学会講演会・討論会  10 9 2011 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:東京都市大学 世田谷キャンパス  

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    • 結晶性ブロックと液晶性アゾベンゼンブロックからなる共重合体薄膜におけるミクロ相分離構造の光応答性 International conference

      土肥知樹, 原光生, 二村佑樹, 永野修作, 関隆広

      2011年日本液晶学会講演会・討論会  10 9 2011 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:東京都市大学 世田谷キャンパス  

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    • 液晶性アゾベンゼンブロック共重合体の光再配向挙動の分子量依存性 International conference

      佐野 誠実, 永野 修作, 篠原 佑也, 雨宮 慶幸, 関 隆広

      第137回東海高分子研究会講演会  2 9 2011 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:湯の山温泉 湯元 グリーンホテル  

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    • 表面開始開環メタセシス重合を用いたアゾベンゼン側鎖を有する液晶性ポリノルボルネングラフト膜の調製と分子配向 International conference

      永野 修作, 関 隆広, 筧 壮太郎

      2011年秋季 第72回応用物理学会学術講演会  29 8 2011 

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      Language:Japanese   Presentation type:Oral presentation (general)  

      Venue:山形大学小白川キャンパス  

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    • 結晶性ブロックと液晶性アゾベンゼンブロックからなる共重合体薄膜のミクロ相分離構造の配向 International conference

      土肥 知樹, 原 光生, 永野 修作, 関 隆広

      2011年秋季 第72回応用物理学会学術講演会  29 8 2011 

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      Language:Japanese   Presentation type:Oral presentation (general)  

      Venue:山形大学小白川キャンパス  

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    • 液晶性アゾベンゼンジブロック共重合体が誘起するミクロ相分離構造の動的光配向 International conference

      佐野 誠実, 永野 修作, 篠原 佑也, 雨宮 慶幸, 関 隆広

      2011年秋季 第72回応用物理学会学術講演会  29 8 2011 

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      Language:Japanese   Presentation type:Oral presentation (general)  

      Venue:山形大学小白川キャンパス  

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    • 液晶混合展開法によるポリ(9,9-ジオクチルフルオレン) 配向膜の作製とb 相の偏光発光 International conference

      冨川 晴貴, 戸田 章雄, 永野 修作, 関 隆広

      2011年秋季 第72回応用物理学会学術講演会  29 8 2011 

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      Language:Japanese   Presentation type:Oral presentation (general)  

      Venue:山形大学小白川キャンパス  

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    • 液晶性超分子ブロック共重合体薄膜を鋳型としたナノ高分子構造構築 International conference

      西見 昭雄, 永野 修作, 関 隆広

      2011年秋季 第72回応用物理学会学術講演会  29 8 2011 

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      Language:Japanese   Presentation type:Oral presentation (general)  

      Venue:山形大学小白川キャンパス  

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    • Photoalignment and structural study on polynorbornene brush having azobezene liquid crystalline by surface initiated ROMP

      Kei Fukuhara, Soutaro Kakehi, Shusaku Nagano, Takahiro Seki

      International Symposium on Elucidation and Design of Materials and Molecular Functions & 7th and 8th Yoshimasa Hirata Memorial Lectures  28 8 2011 

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    • Fabrication and Photo-induced Anisotropic Behavior of Azobenzene Liquid Crystalline Di-block Co-polymer Brush.

      Haque Hafiz, Ashraful Nagano, Takahiro Seki

      International Symposium on Elucidation and Design of Materials and Molecular Functions & 7th and 8th Yoshimasa Hirata Memorial Lectures  28 8 2011 

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    • 22pTG-9 Mobility anisotropy of ultrathin-film transistors of MEH-PPV with controlled in-plane chain orientations

      Watanabe S., Bito Y., Tanaka H., Ito H., Kuroda S., Tomikawa H., Toda A., Nagano S., Seki T.

      Meeting abstracts of the Physical Society of Japan  24 8 2011  The Physical Society of Japan (JPS)

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      Event date: 24 8 2011 - 24 8 2011

      Language:Japanese  

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    • Hierarchical Structure Formation In SRG Process of Azobenzen Dendrimer

      Wenhan Li, Shusaku Nagano, Koichiro Yonetake, Takahiro Seki

      The 15th International Sumposium on Odvanced Display Materials and Devices (ADMD 2011)  30 6 2011 

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    • ミクロ相分離構造の光配向制御 Invited International conference

      永野修作

      応用物理学会 有機分子・バイオエレクトロニクス分科会 研究会「有機分子・バイオエレクトロニクスの動向と展望」  24 6 2011 

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      Language:Japanese   Presentation type:Oral presentation (invited, special)  

      Venue:神戸大学工学部教室棟LR404 室  

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    • Light-assisted Mesoscopic and Microscopic Fabrication in Liquid Crystalline Materials

      Takahiro Seki, Shusaku Nagano

      RadTech Asia 2011  20 6 2011 

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    • Hierarchical Structure Formation In SRG Inscription

      W,Li. S.Nagano, T.Seki

      Nagoya University Global COE in Chemisry 4th Annual Symposium  15 6 2011 

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    • Active Photocontrol of Microphace Separation Cylinders in Azobenzene Block Copolymer Invited

      Shusaku Nagano

      Nagoya University Global COE in Chemisry 4th Annual Symposium  15 6 2011 

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      Language:English   Presentation type:Oral presentation (invited, special)  

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    • Photocontrol of meso- and Microstructures in liquid crystalline polymer thin films

      Takahiro Seki, Shusaku Nagano

      94th Canadian Chemistry Conference and Exhibition  6 6 2011 

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    • ポリ(オクタデシルメタクリレート)と液晶性ポリアゾベンゼンメタクリレートからなるブロック共重合体薄膜のミクロ相分離構造の光応答性と配向 International conference

      土肥 知樹, 佐野 誠実, 永野 修作, 関 隆広

      第15回液晶化学研究会シンポジウム  4 6 2011 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:東京大学 本郷キャンパス 山上会館  

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    • 液晶性アゾベンゼンジブロックコポリマーの動的光配向挙動の分子量依存性 International conference

      佐野 誠実永野, 修作, 篠原 佑也, 雨宮 慶幸, 関 隆広

      第15回液晶化学研究会シンポジウム  4 6 2011 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:東京大学 本郷キャンパス 山上会館  

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    • リオトロピック・ディスコティック液晶とチタニアからなる有機/無機ハイブリッド膜の調製 International conference

      釜 由布子, 原 光生, 永野 修作, 関 隆広

      第15回液晶化学研究会シンポジウム  4 6 2011 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:東京大学 本郷キャンパス 山上会館  

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    • ブロック共重合体と金属ナノ粒子の共展開による表面ミセル複合LB膜のモルフォロジー International conference

      後藤 勝昭, 永野 修作, 関 隆広

      第60回高分子学会年次大会  25 5 2011 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:大阪国際会議場  

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    • ポリフルオレン β 相の誘起と偏光発光 International conference

      冨川 晴貴, 永野 修作, 川月 喜弘, 関 隆広

      第60回高分子学会年次大会  25 5 2011 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:大阪国際会議場  

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    • 超分子液晶ブロック共重合体薄膜をナノテンプレートとした高分子構造構築 International conference

      西見 昭雄, 永野 修作, 関 隆広

      第60回高分子学会年次大会  25 5 2011 

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      Language:Japanese   Presentation type:Oral presentation (general)  

      Venue:大阪国際会議場  

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    • 液晶性ポリアゾベンゼンメタクリレートとポリ(オクタデシルメタクリレート)からなるブロック共重合体薄膜のミクロ相分離構造と配向 International conference

      土肥 知樹, 佐野 誠実, 永野 修作, 関 隆広

      第60回高分子学会年次大会  25 5 2011 

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      Language:Japanese   Presentation type:Oral presentation (general)  

      Venue:大阪国際会議場  

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    • 液晶性アゾベンゼンジブロック共重合体の動的光配向挙動の分子量依存性 International conference

      佐野 誠実, 高橋 奈緒美, 永野 修作, 篠原 佑也, 雨宮 慶幸, 関 隆広

      第60回高分子学会年次大会  25 5 2011 

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      Language:Japanese   Presentation type:Oral presentation (general)  

      Venue:大阪国際会議場  

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    • リオトロピック・ディスコティック液晶とチタニアからなる有機/無機ハイブリッドのナノ構造 International conference

      釜 由布子, 原 光生, 永野 修作, 関 隆広

      第60回高分子学会年次大会  25 5 2011 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:大阪国際会議場  

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    • ポリ(オクタデシルメタクリレート)と液晶性ポリアゾベンゼンメタクリレートからなるブロック共重合体薄膜のミクロ相分離構造の光応答性 International conference

      土肥 知樹, 永野 修作, 関 隆広

      日本化学会第91春季年会(2011)  26 3 2011 

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      Language:Japanese   Presentation type:Oral presentation (general)  

      Venue:神奈川大学 横浜キャンパス  

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    • 液晶分子添加によるポリジオクチルフルオレン.beta.相の誘起と光配向膜を用いた配向制御 International conference

      冨川 晴貴, 永野 修作, 川月喜弘, 関 隆広

      日本化学会第91春季年会(2011)  26 3 2011 

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      Venue:神奈川大学 横浜キャンパス  

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    • ポリブチルメタクリレートと液晶性アゾベンゼンポリマーからなるジブロック共重合体のミクロ相分離構造および液晶相の光再配向挙動 International conference

      佐野誠実, 高橋奈緒美, 永野修作, 篠原佑也, 雨宮慶幸, 関隆広

      日本化学会第91春季年会(2011)  26 3 2011 

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      Language:Japanese   Presentation type:Oral presentation (general)  

      Venue:神奈川大学 横浜キャンパス  

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    • ポリ(メチルメタクリレート)と液晶性ポリアゾベンゼンメタクリレートからなるブロック共重合体の液晶構造とモルフォロジーの光応答性 International conference

      二村 佑樹, 永野 修作, 関 隆広

      日本化学会第91春季年会(2011)  26 3 2011 

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      Language:Japanese   Presentation type:Oral presentation (general)  

      Venue:神奈川大学 横浜キャンパス  

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    • 共展開法によるブロック共重合体表面ミセル/金属ナノ粒子複合LB膜のモルフォロジー International conference

      後藤勝昭, 永野修作, 関隆広

      日本化学会第91春季年会(2011)  26 3 2011 

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      Venue:神奈川大学 横浜キャンパス  

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    • カラムナー液晶構造体の表面アシスト配向制御と垂直配向メソポーラスシリカ膜への応用 International conference

      原光生, 永野修作, 関隆広

      日本化学会第91春季年会(2011)  26 3 2011 

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      Language:Japanese   Presentation type:Oral presentation (general)  

      Venue:神奈川大学 横浜キャンパス  

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    • 液晶性超分子ブロック共重合を鋳型とした高分子ナノ構造構築 International conference

      西見 昭雄, 永野 修作, 関 隆広

      2011年春季 第58回 応用物理学関係連合講演会  24 3 2011 

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      Language:Japanese   Presentation type:Oral presentation (general)  

      Venue:神奈川工科大学  

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    • ポリジオクチルフルオレンの beta相誘起と光配向制御 International conference

      冨川 晴貴, 永野 修作, 川月 喜弘, 関 隆広

      2011年春季 第58回 応用物理学関係連合講演会  24 3 2011 

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      Language:Japanese   Presentation type:Oral presentation (general)  

      Venue:神奈川工科大学  

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    • ポリブチルメタクリレート―液晶性アゾベンゼンジブロック共重合体の動的光配向挙動の分子量依存性 International conference

      佐野 誠実, 高橋 奈緒美, 永野 修作, 篠原 佑也, 雨宮 慶幸, 関 隆広

      2011年春季 第58回 応用物理学関係連合講演会  24 3 2011 

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      Venue:神奈川工科大学  

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    • ポリイミド薄膜の表面機能化による液晶光配向膜への展開 International conference

      佐々木 章, 永野 修作, 関 隆広

      2011年春季 第58回 応用物理学関係連合講演会  24 3 2011 

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      Language:Japanese   Presentation type:Oral presentation (general)  

      Venue:神奈川工科大学  

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    • アゾベンゼン側鎖を有する液晶性ポリノルボルネングラフト膜の調製と配向特性 International conference

      筧壮太郎, 永野修作, 関隆広

      2011年春季 第58回 応用物理学関係連合講演会  24 3 2011 

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      Language:Japanese   Presentation type:Oral presentation (general)  

      Venue:神奈川工科大学  

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    • Surface pressure induced b phase and in-plane orientation in poly(9,9-di-n-octylfluorene) monolayer on water and multilayer fabrication

      Haruki Tomikawa, Akio Toda, Shusaku Nagano, Takahiro Seki

      Sixth International Conference on Molecular Electronics and Bioelectronics  15 3 2011 

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    • Photoalignment behavior of microphase separation in a liquid crystallineazobenzene block copolymer thin film

      Masami SANO, Naomi TAKAHASHI, Shusaku NAGANO, Yuya SHINOHARA, Yoshiyuki AMEMIYA, Takahiro SEKI

      Sixth International Conference on Molecular Electronics and Bioelectronics  15 3 2011 

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    • Photoalignment and structural study on polynorbornene brush having azobezene liquid crystalline via surface initiated ROMP

      Soutarou Kakehi, Shusaku Nagano, Takahiro Seki

      Sixth International Conference on Molecular Electronics and Bioelectronics  15 3 2011 

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    • Surface Functional Design of Polyimide Films and Application to Liquid Crystal Photoalignment Layers

      Akira SASAKI, Shusaku NAGANO, Takahiro SEKI

      Sixth International Conference on Molecular Electronics and Bioelectronics  15 3 2011 

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    • 液晶性アゾベンゼンブロックを持つブロック共重合体の光配向挙動 International conference

      佐野誠実, 村瀬智也, 永野修作, 篠原佑也, 雨宮慶幸, 関 隆広

      2011年 帝人21世紀フォーラム  28 1 2011 

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      Venue:富士裾野 帝人研修所  

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    • 相転移を利用したシリカ/ブロックコポリマーハイブリッドのメソ構造の配向制御 International conference

      釜 由布子, 永野 修作, 関 隆広

      2012年帝人21世紀フォーラム  27 1 2011 

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      Venue:帝人研修所 富士裾野  

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    • 結晶性ブロックと液晶性アゾベンゼンブロックからなる共重合体の構造と光応答 International conference

      土肥 知樹, 永野 修作, 関 隆広

      2012年帝人21世紀フォーラム  27 1 2011 

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      Venue:帝人研修所 富士裾野  

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    • Surface-Mediated Orientation of Organic-Inorganic Columnar Nanostructures

      Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      Tenth International Symposium on Biomimetic MaterialsProcessing (BMMP-10)  25 1 2011 

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    • Driving Meso-and Microstructures by Light

      Takahiro Seki, Shusaku Nagano

      12th International Symposium on Biomimetic Materials Processing (BMMP-12)  24 1 2011 

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      Venue:Nagoya University, Noyori Confernce Hall  

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    • 高配向ポリチオフェン単分子膜の電気伝導特性評価

      奥秋 裕介, 赤井 恵, 富川 晴貴, 永野 修作, 齋藤 彰, 桑原 裕司

      精密工学会学術講演会講演論文集  2011  公益社団法人 精密工学会

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      Event date: 2011 - 2011

      Language:Japanese  

      高分子半導体はトランジスタ等に実用され始めているが、その電気物性は未だに未解明な部分が多い。ポリ3ヘキシルチオフェン(P3HT)は結晶性が高く取扱も容易なため、高分子半導体の電気的な基礎物性を理解するには好都合な物質である。私は高配向P3HT単分子膜の電気物性を数百nm以下の微小領域で測定し、電気伝導特性の評価を詳細に行った。その結果、高配向単分子膜の電気伝導は等方的な2次元伝導であることが分かった。

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    • Phototriggered mass migration azo polymer systems involving photocrosslinking unit

      Wenhan Li, Shusaku Nagano, Takahiro Seki

      Pacifichem 2010  15 12 2010 

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    • Active photoalignment control of microphase separation cylinders in azobenzene block copolymer

      Shusaku Nagano, Tomoya Murase, Yusuke Koizuka, Yuya Shinohara, Yoshiyuki Amemiya, Takahiro Seki

      Pacifichem 2010  15 12 2010 

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    • Photo-triggered mass migrating motions in inorganic-organic liquid crystalline hybrids

      Kaori, Nishizawa, Takahiro Seki, Shusaku Nagano

      Pacifichem 2010  15 12 2010 

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    • Liquid crystalline surface-tethered azobenzene polymer brushes

      Takahiro Seki, Shusaku Nagano

      Pacifichem 2010  15 12 2010 

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    • Mesoporous Sicica Film with Vertical Alignment by Assist of Interactions between Substrate Surface and Molecules

      Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      Pacifichem 2010  15 12 2010 

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    • ポリイミド薄膜表面の光機能化と液晶光配向膜への応用 International conference

      佐々木 章, 永野修作, 関 隆広

      第19回ポリマー材料フォーラム  2 12 2010 

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      Venue:名古屋国際会議場  

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    • 開環メタセシス重合によるアゾベンゼン液晶性ポリノルボルネンブラシ膜の構造制御および光配向 International conference

      筧壮太郎, 永野修作, 関隆広

      第4回物質科学フロンティアセミナー  19 11 2010 

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      Venue:名古屋大学東山キャンパス野依記念物質科学研究館  

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    • ポリジオクチルフルオレンβ相の誘起と配向制御 International conference

      冨川晴貴, 戸田章雄, 永野修作, 川月喜弘, 関隆広

      第4回物質科学フロンティアセミナー  19 11 2010 

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      Venue:名古屋大学東山キャンパス野依記念物質科学研究館  

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    • ポリイミド薄膜表面の機能設計と液晶光配向膜への展開 International conference

      佐々木章, 永野修作, 関隆広

      第4回物質科学フロンティアセミナー  19 11 2010 

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      Language:Japanese   Presentation type:Poster presentation  

      Venue:名古屋大学東山キャンパス野依記念物質科学研究館  

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    • アゾベンゼンブロック共重合体のミクロ相分離構造の光アクティブ配向制御 International conference

      佐野誠実, 高橋奈緒美, 村瀬智也, 永野修作, 篠原佑也, 雨宮慶幸, 関隆広

      第4回物質科学フロンティアセミナー  19 11 2010 

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      Venue:名古屋大学東山キャンパス野依記念物質科学研究館  

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    • Molecular Orientation in Azobenzen Liquid Crystalline Polymer Brush and Photoalignment Properties International conference

      Shusaku Nagano, Kenji Imai, Takayuki Uekusa, Takahiro Seki

      17 10 2010 

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    • Surface Photofunctionalization of Polyimide Thin Films and Application to Liquid Crystal Photoalignment Layers International conference

      Akira Sasaki, Shusaku Nagano, Takahiro Seki

      17 10 2010 

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    • Photoalignment and structural study on polynorbornene brush having azobenzene Liquid crystalline by surface-initiated ROMP International conference

      Soutarou Kakehi, Shusaku Nagano, Takahiro Seki

      17 10 2010 

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    • Photo-triggered Mass Migration in Azo Polymer Systems Involving Photo-crosslinking Unit International conference

      W. Li, S. Nagano, T. Seki

      17 10 2010 

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    • Photorealignment Behavior of Microphase Separation Structure and LiquidCrystal Phase in Liquid Crystalline Azobenzen Block Copolymer Thin Film International conference

      Masami Sano, Naomi Takahashi, Tomoya Murase, Shusaku Nagano, Yuya Shinohara, Yoshiyuki Amemiya, Takahiro Seki

      17 10 2010 

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    • Photo-triggerd Mass Migration in Azo Polymer Systems Involving Photo-crosslingking Unit

      W. Li, S. Nagano, T. Seki

      7 10 2010 

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    • Photoalignement of Liquid Crystal on Surface Modified Polymide Film through VUV Light Treatment

      Akira Sasaki, Shusaku Nagano, Takahiro Seki

      7 10 2010 

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    • π-Conjugated Surface Using Spontaneous Aggregation of Amphiphilic Discotic Molecules on a Water Surface

      Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      7 10 2010 

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    • Light-Derected Structuring and Alignment of Mesopatterns Formed by Block Copolymeri Films

      Takahiro seki, Shusaku Nagano

      7 10 2010 

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    • Surfade-directed Ordered Hierarchical Structures in Lyotropic Liquid Crystals

      Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      4th NU-MU joint Symposium  27 9 2010 

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    • Light-Directed Structuring and Alignment in Polymer Thin Films

      Takahiro Seki, Shusaku Nagano

      4th NU-MU joint Symposium  27 9 2010 

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    • 表面開始開環メタセシス重合によるアゾベンゼン液晶性ポリノルボルネンブラシ膜の構造と光配向 International conference

      筧 壮太郎, 永野 修作, 関 隆広

      第59回高分子討論会  15 9 2010 

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      Venue:北大札幌キャンパス  

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    • 真空紫外光酸化を用いたポリイミド薄膜表面の光機能化と液晶光配向 International conference

      佐々木 章, 永野 修作, 関 隆広

      第59回高分子討論会  15 9 2010 

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      Venue:北大札幌キャンパス  

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    • アゾベンゼン液晶ブロック共重合体のミクロ相分離構造の光配向と金ナノ粒子複合体形成 International conference

      高橋 奈緒美, 永野 修作, 関 隆広

      第59回高分子討論会  15 9 2010 

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      Venue:北大札幌キャンパス  

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    • 液晶性アゾベンゼンブロックを持つブロック共重合体の液晶相およびミクロ相分離構造の光再配向挙動 International conference

      佐野 誠実, 高橋 奈緒美, 村瀬 智也, 永野 修作, 篠原 佑也, 雨宮 慶幸, 関 隆広

      第59回高分子討論会  15 9 2010 

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      Venue:北大札幌キャンパス  

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    • リオトロピック液晶の配向階層構造の設計と固定化 International conference

      原 光生, 永野修作, 関 隆広

      第59回高分子討論会  15 9 2010 

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      Venue:北大札幌キャンパス  

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    • 真空紫外光酸化を用いたポリイミド薄膜表面の光機能化と液晶光配向 International conference

      佐々木 章, 永野 修作, 関 隆広

      2010年日本液晶学会討論会  6 9 2010 

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      Venue:九州大学医学部百年講堂  

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    • アルキルメタクリレート-液晶アゾベンゼンジブロック共重合体のミクロ相分離構造および液晶相の光再配向挙動 International conference

      佐野誠実, 高橋奈緒美, 村瀬智也, 小飯塚祐介, 永野修作, 篠原佑也, 雨宮慶幸, 関 隆広

      2010年日本液晶学会討論会  6 9 2010 

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      Venue:九州大学医学部百年講堂  

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    • アゾベンゼン液晶ブロック共重合体のミクロ相分離構造の光配向と金ナノ粒子複合体形成 International conference

      高橋奈緒美, 永野修作, 関 隆広

      2010年日本液晶学会討論会  6 9 2010 

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      Venue:九州大学医学部百年講堂  

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    • 23pRL-8 Field-induced ESR observations of polymeric ultrathin-film transistors with highly controlled in-plane chain orientations

      Watanabe S., Bito Y., Tanaka H., Ito H., Kuroda S., Tomikawa H., Toda A., Nagono S., Seki T.

      Meeting abstracts of the Physical Society of Japan  18 8 2010  The Physical Society of Japan (JPS)

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      Event date: 18 8 2010 - 18 8 2010

      Language:Japanese  

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    • π-π相互作用にて配向制御した垂直配向メソポーラスシリカ膜 International conference

      原 光生, 永野修作, 関 隆広

      日本ゾル・ゲル学会第8回討論会  29 7 2010 

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    • Oreientation Control of Columnar Structures with Lyotropic Liquid Crystallinity through interfacial interactions

      Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      13th International Conference on Organized Molecular Films  18 7 2010 

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    • Unique Molecular Orentations and Photoresponsive Properties in Surface-grafted Liquid Crystalline Azobenzen Polymer

      Takahiro Seki, Kenjiro Imai, Takayuki Uekusa, Shusaku Nagano

      13th International Conference on Organized Molecular Films  18 7 2010 

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    • Photo-triggered Mass Migration in Azo Polymer Systems Invloving Photo-Crosslining Unit

      Wenhan Li, Shusaku Nagano, Takahiro Seki

      13th International Conference on Organized Molecular Films  18 7 2010 

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    • Surface Pressure Induced b Phase and In-plane Orientation in Poly(9,9'-dioctylfluorene)Hybrid Monolayer with Liquid Crystalline Molecule on Water

      Shusaku Nagano, Akio Toda, Haruki Tomikawa, Takahiro Seki

      13th International Conference on Organized Molecular Films  18 7 2010 

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    • βphase formation of poly(9,9-di-n-octylfluorenc)on a water surface and fabrication of oriented LB films

      H.Tomikawa, A.Toda, S.Nagano, T.Seki

      International Conference on Science and Technology of Synthetic Metals 2010  4 7 2010 

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    • Formation of Flat p-Conjugated Plane from Amphiphilic Discotic Molecules at the Air-Water Interface

      Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      International Conference on Science and Technology of Synthetic Metals 2010  4 7 2010 

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    • 光酸化を利用したポリイミド薄膜表面への液晶光配向機能の付与 International conference

      佐々木章, 永野修作, 関 隆広

      第14回液晶化学研究会シンポジウム  28 6 2010 

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      Venue:東京大学 山上会館  

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    • 液晶分子の添加によるポリジオクチルフルオレンβ相の誘起 International conference

      冨川晴貴, 戸田章雄, 永野修作, 川月喜弘, 関 隆広

      第14回液晶化学研究会シンポジウム  28 6 2010 

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      Venue:東京大学 山上会館  

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    • Photo-crosslinkable Liquid Crystalline Azo polymer for Surface Relief Gratings and Persistent Fixation International conference

      26 5 2010 

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    • ブロック共重合体水面膜のモルフォロジー制御とナノテンプレート材料への応用 International conference

      後藤 勝昭, 衣松 徹哉, 谷口 大介, 永野 修作, 関 隆広

      第59回高分子学会年次大会  26 5 2010 

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      Venue:横浜  

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    • 液晶性アゾベンゼンブロック共重合体におけるミクロ相分離構造の動的光制御 International conference

      佐野 誠実, 高橋 奈緒美, 村瀬 智也, 小飯塚 祐介, 永野 修作, 篠原 佑也, 雨宮 慶幸, 関 隆広

      第59回高分子学会年次大会  26 5 2010 

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      Venue:横浜  

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    • ポリフルオレンの構造に及ぼす液晶分子の添加効果 International conference

      冨川 晴貴, 戸田 章雄, 永野 修作, 関 隆広

      第59回高分子学会年次大会  26 5 2010 

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      Venue:横浜  

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    • 超分子液晶鎖と共有結合液晶鎖からなる光応答性ブロック共重合体の 調製と構造解析 International conference

      高橋 奈緒美, 村瀬 智也, 永野 修作, 関 隆広

      第59回高分子学会年次大会  26 5 2010 

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      Venue:横浜  

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    • 真空紫外光酸化を用いたポリイミド薄膜表面への光機能基の導入と液晶光配向 International conference

      佐々木 章, 永野 修作, 関 隆広

      第59回高分子学会年次大会  26 5 2010 

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      Venue:横浜  

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    • アゾベンゼン側鎖を有する液晶性ポリノルボルネンブラシの調製と構造評価 International conference

      筧 壮太郎, 永野 修作, 関 隆広

      第59回高分子学会年次大会  26 5 2010 

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      Venue:横浜  

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    • 支持体界面との相互作用を利用した垂直配向メソポーラスシリカ膜の調製 International conference

      原 光生, 永野修作, 関 隆広

      ナノ学会第8回大会  14 4 2010 

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      Venue:岡崎分子研  

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    • Surface alignment control of colummar aggregates/silica hybrid International conference

      Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      日本化学会第90春季年会 アジア国際シンポジウム  28 3 2010 

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    • ブロック共重合体表面ミセルの高精度形成と応用 Invited International conference

      永野修作

      日本化学会第97春季年会ATPプログラム「自己組織化による微細パターン形成」  28 3 2010 

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    • 種々のスペーサー長を有する液晶性アゾベンゼンデンドリマーの水面膜およびLB膜の構造解析 International conference

      林 同福, 永野 修作, 米竹 孝一郎, 関 隆広

      日本化学会第90春季年会  27 3 2010 

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    • 超分子液晶鎖と共有結合液晶鎖からなる光応答性ジブロック共重合体の合成と構造解析 International conference

      高橋 奈緒美, 村瀬 智也, 永野 修作, 関 隆広

      近畿大学本部キャンパス  27 3 2010 

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    • 光応答性ブロック共重合体薄膜のミクロ相分離構造の光再配向とその場観察 International conference

      村瀬 智也, 小飯塚 祐介, 永野 修作, 篠原 佑也, 雨宮 慶幸, 関 隆広

      日本化学会第95春季年会  27 3 2010 

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    • 水面におけるポリ(9,9-ジオクチルフルオレン) β相の発現と配向LB膜の偏光発光 International conference

      冨川 晴貴, 戸田 章雄, 永野 修作, 関 隆広

      日本化学会第96春季年会  27 3 2010 

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    • 光誘起物質移動を利用したチタニア膜のマイクロパターニング法の開発 International conference

      西澤 かおり, 永野 修作, 関 隆広

      日本化学会第97春季年会  27 3 2010 

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    • 光応答性ブロック共重合体薄膜におけるミクロ相分離構造のアクティブ配向制御とその場観察 International conference

      村瀬智也, 永野修作, 篠原佑也, 雨宮慶幸, 関隆広

      第27回PFシンポジウム  9 3 2010 

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    • 疎水性π共役系高分子の単分子膜集積の構造解析とFET特性 International conference

      戸田章雄, 永野修作, 篠原佑也, 渡辺峻一郎, 田中久暁, 伊東裕, 黒田新一, 雨宮慶幸, 関隆広

      第27回PFシンポジウム  9 3 2010 

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    • 液晶性アゾベンゼン高分子高密度ブラシ膜の構造と光応答 International conference

      今井絢二朗, 植草貴行, 永野修作, 篠原佑也, 雨宮慶幸, 関隆広

      第27回PFシンポジウム  9 3 2010 

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    • 斜入射X線回折測定によるカラムナー液晶構造体/シリカハイブリッド膜の配向評価 International conference

      原光生, 永野修作, 篠原佑也, 雨宮慶幸, 関隆広

      第27回PFシンポジウム  9 3 2010 

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    • 真空紫外光酸化を利用したポリイミド薄膜表面への光応答基の導入と液晶光配向 International conference

      佐々木 章, 永野 修作, 関 隆広

      日本化学会第93春季年会  9 3 2010 

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    • 開環メタセシス重合によるアゾベンゼン液晶性ポリノルボルネンブラシの調製 International conference

      筧 壮太郎, 永野 修作, 関 隆広

      日本化学会第94春季年会  9 3 2010 

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    • 21pGS-9 Field-induced ESR study of molecular orientations in polymeric field-effect transistors using in-plane preferential oriented films

      Watanabe S., Tanaka H., Ito H., Kuroda S., Toda A., Nagono S., Seki T.

      Meeting abstracts of the Physical Society of Japan  1 3 2010  The Physical Society of Japan (JPS)

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      Event date: 1 3 2010 - 1 3 2010

      Language:Japanese  

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    • ゾルゲル法にて固定化したカラムナー液晶構造体の表面誘起配向制御 International conference

      原 光生, 永野修作, 関 隆広

      2010年21世紀帝人フォーラム  30 1 2010 

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    • 真空紫外光酸化を利用したポリイミド薄膜表面への液晶光配向機能の付与 International conference

      佐々木 章, 永野 修作, 関 隆広

      2010年21世紀帝人フォーラム  30 1 2010 

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    • 高配向ポリチオフェン単分子膜の電気伝導特性の評価とクーロンブロッケードの発現について

      奥秋裕介, 赤井恵, 齋藤彰, 永野修作, 桑原裕司

      精密工学会関西地方定期学術講演会講演論文集  2010 

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      Event date: 2010 - 2010

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    • Photoalignment of organic/inorganic nanohybrid materials

      Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      2nd Nagoya Univ-Tsinghua Univ-Toyota Coop Joint Symposium  11 12 2009 

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    • Photo-triggered Mass Transport in Photochromic Polymer Films

      Wenhan Li, Shusaku Nagano, Takahiro Seki

      2nd Nagoya Univ-Tsinghua Univ-Toyota Coop Joint Symposium  11 12 2009 

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    • リオトロピック液晶ナノ構造体の表面誘起配向制御ならびに固定化 International conference

      原 光生, 永野修作, 関 隆広

      第19回日本MRS学術シンポジウム  8 12 2009 

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    • アゾベンゼン基を有する液晶性高分子グラフと鎖の調整と光応答 International conference

      今井絢二郎, 永野修作, 関 隆広

      第19回日本MRS学術シンポジウム  8 12 2009 

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    • 液晶性アゾベンゼンを導入したブロック共重合体薄膜におけるミクロ相分離構造の動的光配向とその場観察 International conference

      村瀬智也, 小飯塚祐介, 永野修作, 関 隆広, 神原一暁, 篠原佑也, 雨宮慶幸

      第19回日本MRS学術シンポジウム  8 12 2009 

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    • 液晶混合展開法による疎水性π共役系高分子の単分子膜形成と主鎖配向誘起 International conference

      戸田 章雄, 永野 修作, 関 隆広

      第19回日本MRS学術シンポジウム  8 12 2009 

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    • Inversed Surface Micelle Formation via Amphiphilic Block Copolymer Monolayer Hybridized with Low-Molecular-Weight Amphiphile International conference

      Second International Symposium on Atomically Controlled Fabrication Technology, The Osaka University Global COE Program "Atomically Controlled Fabrication Technology"  25 11 2009 

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    • アゾベンゼン液晶相を利用した高分子ナノ構造体の光配向 Invited International conference

      永野修作

      日本液晶学会 「液晶物理・物性」「液晶化学・材料」「ソフトマター」研究フォーラム 合同講演会, 「アゾベンゼン光異性化を用いた液晶科学への誘い」  25 11 2009 

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    • Photoalignment of Liquid Crystal on Surface Photofunctionalized Polyimide Films through VUV Oxidation-Based Treatment

      Akira Sasaki, Hozumi Aoshima, Shusaku Nagano, Takahiro Seki

      The 1st FAPS Polymer Congress  22 10 2009 

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    • Preparation and Photoresponse Properties of Azobenzene Liquid Crystalline Surface-grafted Chains

      Kenjiro Imai, Shusaku Nagano, Takahiro Seki

      The 1st FAPS Polymer Congress  22 10 2009 

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    • Dynamic Photoalignment of Microphase Separation in a Liquid Crystalline Azobenzene Block Copolymer Thin Film

      Tomoya Murase, Yusuke Koizuka, Shusaku Nagano, Kazuaki Kamihara, Yuya Shinohara, Yoshiyuki Amemiya, Takahiro Seki

      The 1st FAPS Polymer Congress  22 10 2009 

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    • Surface-Induced Alignment of Lyotropic Discotic Nanostructure/Silica Hybrid Films

      Mitsuo Hara, Shusaku Nagano, Takahiro Seki

      The 1st FAPS Polymer Congress  22 10 2009 

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    • New Development of Organization Technique of Fully Hydrophobic Conjugated Polymers by LB Method International conference

      Akio Toda, Shusaku Nagano, Takahiro Seki

      The 1st FAPS Polymer Congress  22 10 2009 

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    • リオトロピック・ディスコティック液晶ナノ構造/シリカ複合薄膜の表面誘起配向制御 International conference

      原 光生, 永野 修作, 関 隆広

      第58回高分子討論会  17 9 2009 

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    • アゾベンゼンを有する液晶性高分子グラフト鎖の調製と光応答 International conference

      今井 絢二郎, 永野 修作, 関 隆広

      第58回高分子討論会  17 9 2009 

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    • 液晶性アゾベンゼンを導入したブロック共重合体薄膜におけるミクロ相分離構造の動的光制御 International conference

      村瀬 智也, 小飯塚 祐介, 永野 修作, 神原 一暁, 篠原 佑也, 雨宮 慶幸, 関 隆広

      第58回高分子討論会  17 9 2009 

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    • チタニア-アゾベンゼン液晶性ナノハイブリッドの合成と光誘起表面レリーフ形成 International conference

      西澤 かおり, 永野 修作, 関 隆広

      第58回高分子討論会  17 9 2009 

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    • 液晶分子のアシストによる疎水性π共役系高分子の水面場における主鎖配向誘起と階層構造構築 International conference

      戸田 章雄, 永野 修作, 関 隆広

      第58回高分子討論会  17 9 2009 

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    • 新規な液晶性有機無機ハイブリッド膜の光誘起表面レリーフ形成 International conference

      西澤かおり, 永野修作, 関 隆広

      2009年光化学討論会  16 9 2009 

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    • アゾベンゼンを有する液晶性高分子ブラシの調製と光応答 International conference

      今井 絢二郎, 永野 修作, 関 隆広

      2009年液晶学会討論会  14 9 2009 

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    • 液晶性超分子ブロック共重合体をナノテンプレートとした高分子構造構築 International conference

      西見 昭雄, 永野 修作, 関 隆広

      2009年液晶学会討論会  14 9 2009 

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    • 真空紫外光酸化を用いたポリイミド薄膜表面への光応答基の導入と液晶光配向 International conference

      佐々木 章, 青島 ほずみ, 永野 修作, 関 隆広

      2009年液晶学会討論会  14 9 2009 

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    • 超分子液晶鎖と光応答性液晶鎖からなるブロック共重合体の調製と構造解析 International conference

      高橋 奈緒美, 村瀬 智也, 永野 修作, 関 隆広

      2009年液晶学会討論会  14 9 2009 

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    • 液晶性アゾベンゼンを導入したブロック共重合体薄膜におけるミクロ相分離構造の動的光配向制御とその場観察 International conference

      村瀬 智也, 小飯塚 祐介, 永野 修作, 神原 一暁, 篠原 佑也, 雨宮 慶幸, 関 隆広

      2009年液晶学会討論会  14 9 2009 

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    • 超分子液晶鎖および液晶鎖からなる光応答性ジブロックコポリマーの合成と光配向 International conference

      高橋奈緒美, 村瀬智也, 永野修作, 関隆広

      第129回東海高分子研究会講演会  4 9 2009 

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    • 光酸化を利用したポリイミド薄膜表面への光機能基の導入と液晶光配向膜への応用 International conference

      佐々木 章, 青島 ほずみ, 永野 修作, 関 隆広

      第129回東海高分子研究会講演会  4 9 2009 

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    • 超分子液晶鎖と光応答性液晶鎖からなるジブロック共重合体の調製と構造 International conference

      高橋 奈緒美, 村瀬 智也, 永野 修作, 関 隆広

      第58回高分子学会年会  28 5 2009 

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    • 真空紫外光を用いた高分子膜への表面グラフト鎖の導入とそのパターニング International conference

      今井 絢二郎, 永野 修作, 関 隆広

      第58回高分子学会年会  28 5 2009 

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    • 真空紫外光酸化を用いた高分子材料表面への光機能基の導入と液晶配向 International conference

      佐々木 章, 青島 ほずみ, 永野 修作, 関 隆広

      第58回高分子学会年会  28 5 2009 

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    • 液晶混合単分子膜におけるポリフルオレンβ相の発現と配向LB膜の調製 International conference

      戸田 章雄, 永野 修作, 関 隆広

      第58回高分子学会年会  28 5 2009 

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    • 液晶性アゾベンゼンブロックコポリマーの光配向と斜入射X線回折によるナノ構造評価 International conference

      永野 修作, 小飯塚 祐介, 森川 雄市, 関 隆広, 神原 一暁, 篠原 佑也, 雨宮 慶幸

      第58回高分子学会年会  28 5 2009 

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    • 長鎖アルキルメタクリレートを含む液晶性アゾベンゼンブロックコポリマー薄膜におけるミクロ相分離構造の光配向制御 International conference

      村瀬 智也, 小飯塚 祐介, 永野 修作, 神原 一暁, 篠原 佑也, 雨宮 慶幸, 関 隆広

      第58回高分子学会年会  28 5 2009 

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    • 液晶性超分子ブロック共重合体を鋳型とした高分子ナノ構造構築 International conference

      西見 昭雄, 永野 修作, 関 隆広

      第58回高分子学会年会  28 5 2009 

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    • 液晶性超分子ブロック共重合体をテンプレートとした高分子ナノ構造構築 International conference

      西見 昭雄, 近藤 剛司, 永野 修作, 関 隆広

      第13回液晶化学研究会シンポジウム  12 5 2009 

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    • 超分子液晶鎖と光応答性液晶鎖からなるブロック共重合体の調製 International conference

      高橋 奈緒美, 村瀬 智也, 永野 修作, 関 隆広

      第13回液晶化学研究会シンポジウム  12 5 2009 

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    • 真空紫外光酸化を用いた高分子材料表面への光応答基の修飾と液晶配向 International conference

      佐々木 章, 青島 ほずみ, 永野 修作, 関 隆広

      第13回液晶化学研究会シンポジウム  12 5 2009 

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    • 光応答性ブロック共重合体薄膜におけるミクロ相分離構造のアクティブ配向制御とその場観察 International conference

      村瀬智也, 永野修作, 篠原佑也, 雨宮慶幸, 関隆広

      第27回PFシンポジウム  9 3 2009 

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    • ポリ(9,9-ジオクチルフルオレン) の主鎖配向LB膜の調製と水面単分子膜におけるbeta.相の発現 International conference

      戸田章雄, 永野修作, 関隆広

      日本化学会第89春季年会  3 2009 

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    • 液晶性超分子ブロック共重合体を鋳型とした高分子ナノ構造構築 International conference

      西見昭雄, 永野修作, 関隆広

      日本化学会第89春季年会  3 2009 

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    • 水面を利用したブロック共重合体ミセルの構造制御とナノパターン材料への展開 International conference

      谷口大介, 衣松徹哉, 永野修作, 関隆広

      日本化学会第89春季年会  3 2009 

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    • 真空紫外光を用いた高分子ゲル表面への高分子グラフト鎖の導入とそのパターニング International conference

      今井絢二郎, 青島ほずみ, 永野修作, 関隆広

      日本化学会第89春季年会  3 2009 

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    • 真空紫外光酸化を利用した高分子ゲル表面へのアゾベンゼン基の導入と濡れ性制御 International conference

      青島ほずみ, 永野修作, 関隆広

      日本化学会第89春季年会  3 2009 

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    • 液晶アシストLB法による共役高分子の主鎖配向と特異な構造発現 International conference

      戸田 章雄, 永野 修作, 関 隆広

      帝人21世紀フォーラム  1 2009 

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    • Control of Mesoscopic Patterns of Block Copolymers via Assist of Low-Molecular-Mass Amphiphile and Light International conference

      Takahiro Seki, Shusaku Nagano

      International Union of Materials Research Society-International Conference in Asia 2008 (IUMRS-ICA2008)  12 2008 

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    • Synthesis of a Novel Photochromic Liquid Crystal Based on (1-Cyclohexenyl)phenyldiazene International conference

      Masanao Sato, Shusaku Nagano, Takahiro Seki

      International Union of Materials Research Society-International Conference in Asia 2008 (IUMRS-ICA2008)  12 2008 

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    • Surface-photofuctionalization of Polymer Hydrogel with Azobenzene through VUV Oxidation-baed Treatment

      Hozumi Aoshima, Shusaku Nagano, Takahiro Seki

      International Union of Materials Research Society-International Conference in Asia 2008 (IUMRS-ICA2008)  12 2008 

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    • Inversed Surface Micelle Formation and Functionalization via Block Copolymer Monolayer Hybridized with Low-moleuclar-weight Amphiphile International conference

      Tetsuya Kinumatsu, Shusaku Nagano, Takahiro Seki

      International Union of Materials Research Society-International Conference in Asia 2008 (IUMRS-ICA2008)  12 2008 

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    • 疎水性π共役系高分子の単分子膜形成に基づく分子組織化手法の開発 International conference

      戸田 章雄, 永野 修作, 関 隆広

      第39回中部科学関係額協会支部連合秋季大会  11 2008 

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    • Photo-crosslinkable Azo Polymer for Surface Relief Gratings and Persistent Fixation International conference

      11 2008 

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    • クロモニック液晶とシリカより成るナノハイブリッドの光配向 International conference

      原 光生, 永野 修作, 関 隆広

      2008年光化学討論会  9 2008 

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    • (1-シクロヘキセニル)フェニルジアゼン骨格を有する新規フォトクロミック液晶 International conference

      佐藤 正尚, 永野 修作, 関 隆広

      2008年日本液晶学会討論会  9 2008 

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    • ブロック共重合体単分子膜のナノパターンを用いた高分子表面加工 International conference

      谷口 大介, 永野 修作, 関 隆広

      第57回高分子討論会  9 2008 

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    • 低分子化合物の共展開によるブロックコポリマー表面逆ミセル構造の発現と金属パターンへの展開 International conference

      衣松 徹哉, 永野, 修作, 関 隆広

      第57回高分子討論会  9 2008 

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    • 液晶性ブロックコポリマーにおけるミクロ相分離構造の光配向制御 International conference

      小飯塚 祐介, 森川 雄市, 永野, 修作, 関 隆広

      第57回高分子討論会  9 2008 

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    • 真空紫外光酸化を用いた高分子ゲル表面へのアゾベンゼン基の導入と光機能化 International conference

      青島 ほずみ, 永野 修作, 関 隆広

      第57回高分子討論会  9 2008 

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    • 液晶性超分子ブロック共重合体を利用した高分子ナノ加工 International conference

      佐藤 正尚, 近藤 剛司, 三井 俊, 永野 修作, 関 隆広

      第57回高分子討論会  9 2008 

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    • ポリ(4-ビニルピリジン)と光応答性高分子からなるブロック共重合体の単分子膜の2次元相分離構造 International conference

      村瀬 智也, 衣松, 徹哉, 永野, 修作, 関 隆広

      第57回高分子討論会  9 2008 

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    • 疎水性π共役系高分子の主鎖配向LB膜の調製とその構造解析と物性評価 International conference

      戸田 章雄, 児玉, 誠一郎, 永野 修作, 岩崎 航治, 阿部 二朗, 関 隆広

      第57回高分子討論会  9 2008 

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    • 真空紫外光を利用した高分子グラフト鎖の導入による高分子表面の機能化 International conference

      今井 絢二郎, 青島 ほずみ, 植草 貴行, 永野, 修作, 関 隆広

      第57回高分子討論会  9 2008 

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    • Photoresponsive Soft Nanomaterials

      Takahiro Seki, Shusaku Nagano

      Nagoya Univ-Tsinghua Univ-Toyota Joint Symposium--Materials Science and Nanotechnology for the 21st Century  9 2008 

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    • Surface fabrication of polymer films by using a highly ordered nanopattern of block copolymer surface micelle

      Dausuke Taniguchi, Shusaku Nagano, Takahiro Seki

      Nagoya Univ-Tsinghua Univ-Toyota Joint Symposium--Materials Science and Nanotechnology for the 21st Century  9 2008 

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    • Photocrosslinkable surface relief formation

      Wenhan Li, Shusaku Nagano, Takahiro Seki

      Nagoya Univ-Tsinghua Univ-Toyota Joint Symposium--Materials Science and Nanotechnology for the 21st Century  9 2008 

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    • 液晶相を利用したナノ構造材料の光配向制御 Invited International conference

      永野修作

      第36回東北地区高分子若手研究会夏期ゼミナール  9 8 2008  高分子学会東北支部

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      Venue:八幡平ハイツ, 岩手  

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    • Surface-Mediated Photoalignment of Organic/Inorganic Nanohybrids

      SPIE's International Symposium on Optics & Photonics 2008  8 2008 

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    • 低分子化合物単分子膜のアシストによるブロックコポリマー表面逆ミセル構造の発現と金属ドットパターンへの展開 International conference

      衣松徹哉, 永野修作, 関 隆広

      第12回液晶化学研究会シンポジウム  6 6 2008 

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    • 超分子液晶基をもつ液晶性ブロック共重合体におけるミクロ相分離構造の制御 International conference

      佐藤正尚, 永野修作, 関 隆広

      第12回液晶化学研究会シンポジウム  6 6 2008 

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    • 疎水性 共役系高分子の水面単分子膜形成と主鎖配向誘起 International conference

      戸田章雄, 永野修作, 関 隆広

      第12回液晶化学研究会シンポジウム  6 6 2008 

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    • 疎水性π共役系高分子の広がった単分子膜形成と主鎖配向誘起 International conference

      戸田 章雄, 児玉, 誠一郎, 永野, 修作, 関 隆広

      第57回高分子学会年次大会  29 5 2008 

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    • 柔軟鎖を含む液晶性アゾベンゼンブロックコポリマー薄膜におけるミクロ相分離構造の光配向制御 International conference

      小飯塚, 祐介, 永野, 修作, 関 隆広

      第57回高分子学会年次大会  29 5 2008 

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    • 液晶性アゾベンゼンブロック共重合体の光配向と斜入射X線回折によるナノ構造評価 International conference

      小飯塚, 祐介, 永野, 修作, 神原 一暁, 篠原 佑也, 雨宮, 慶幸, 関 隆広

      第57回高分子学会年次大会  29 5 2008 

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    • 真空紫外光酸化を用いた高分子ゲル表面への光機能基の導入とパターニング International conference

      青島 ほずみ, 永野 修作, 関 隆広

      第57回高分子学会年次大会  29 5 2008 

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    • ポリ(4-ビニルピリジン)とアゾベンゼンポリマーからなるブロック共重合体の合成と単分子膜挙動 International conference

      村瀬 智也, 衣松 徹哉, 永野 修作, 関 隆広

      第57回高分子学会年次大会  29 5 2008 

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    • PMMA鎖を持つアゾベンゼンブロック共重合体薄膜のナノ相分離構造の光配向制御 International conference

      谷口 大介, 永野, 修作, 関 隆広

      第57回高分子学会年次大会  29 5 2008 

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    • ブロックコポリマー/液晶ハイブリッド単分子膜の高秩序ナノパターンを用いた高分子表面加工 International conference

      谷口 大介, 永野, 修作, 関 隆広

      第57回高分子学会年次大会  29 5 2008 

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    • 低分子化合物単分子膜の共展開によるブロックコポリマー表面逆ミセル構造の発現と金属ドットパターンの構築 International conference

      衣松 徹哉, 永野 修作, 関 隆広

      第57回高分子学会年次大会  29 5 2008 

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    • 真空紫外光を利用した高分子ゲル表面への高分子グラフト鎖の導入とそのパターニング International conference

      今井 絢二郎, 青島 ほずみ, 鈴木 宏昌, 永野, 修作, 関 隆広

      第57回高分子学会年次大会  29 5 2008 

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    • アゾベンゼン安息香酸を成分とする超分子液晶ブロック共重合体におけるミクロ相分離構造の制御 International conference

      佐藤 正尚, 近藤, 剛司, 三井 俊, 永野 修作, 関 隆広

      第57回高分子学会年次大会  29 5 2008 

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    • ブロック共重合体単分子膜のナノパターン形成と高分子表面加工への応用 International conference

      谷口大介, 永野修作, 関隆広

      日本化学会第88春季年会(2008), 立教大学池袋キャンパス  3 2008 

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    • 真空紫外光酸化を利用した高分子ゲル表面への光機能基の導入とパターニング International conference

      青島 ほずみ, 永野, 修作 関 隆広

      日本化学会第88春季年会(2008), 立教大学池袋キャンパス  3 2008 

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    • アゾベンゼン液晶ブロックコポリマー薄膜におけるミクロ相分離構造の光配向 International conference

      小飯塚祐介, 永野修作, 関 隆広

      日本化学会第88春季年会(2008), 立教大学池袋キャンパス  3 2008 

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    • 低分子化合物の共展開によるブロックコポリマー表面逆ミセル構造の発現 International conference

      衣松徹哉, 永野修作, 関 隆広

      日本化学会第88春季年会(2008), 立教大学池袋キャンパス  3 2008 

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    • ポリ(4-ビニルピリジン)およびアゾベンゼンブロックからなるブロック共重合の合成とその単分子膜の2次元相分離構造 International conference

      村瀬智也, 永野修作, 関 隆広

      日本化学会第88春季年会(2008), 立教大学池袋キャンパス  3 2008 

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    • Micro-pattening of nanocylinder alignment in liquid crystalline diblock copolymer film corrugated via photoinduced mass transfer International conference

      NU-UM Joint Symposium on Supramacromolecular Material Science and Engineering in the 21st Century, Nagoya University  3 2008 

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    • Formation of a Highly Ordered Dot Array of Surface Micelles of a Block Copolymer via Liquid Crystal-Hybridized Self-Assembly International conference

      NU-UM Joint Symposium on Supramacromolecular Material Science and Engineering in the 21st Century  3 2008 

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    • 液晶性アゾベンゼンブロックコポリマー薄膜におけるナノ相分離構造の光配向制御 International conference

      小飯塚, 祐介, 森川 雄市, 永野 修作, 関 隆広

      フォトクロミズムの攻究とメカニカル機能の創出 第1回公開シンポジウム  1 2008 

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    • 液晶性アゾベンゼン高分子ブラシの液晶相の配向と光応答 International conference

      植草 貴行, 永野 修作, 関 隆広

      フォトクロミズムの攻究とメカニカル機能の創出 第1回公開シンポジウム  1 2008 

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    • ブロックコポリマー単分子膜のナノパターン形成と高分子表面加工への応用 International conference

      谷口大介, 永野修作, 関隆広

      第18回日本MRS学術シンポジウム, 日本大学理工学  12 2007 

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    • 低分子化合物単分子膜のアシストにるブロックコポリマー表面逆ミセルの発現 International conference

      衣松徹哉, 永野修作, 関隆広

      第18回日本MRS学術シンポジウム, 日本大学理工学  12 2007 

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    • 水素結合型超分子アゾベンゼンポリマーによる光誘起表面レリーフ形成 International conference

      三井 俊, 永野 修作, 関 隆広

      第1回有機フォトクロミズムシンポジウム(特定領域研究「フォトクロミズム」発足シンポジウム), 東京大学山上会館  16 11 2007 

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    • アゾベンゼンを側鎖に有するブロック共重合体単分子膜の光誘起形態変化 International conference

      三井 俊, 関 隆広

      第1回有機フォトクロミズムシンポジウム(特定領域研究「フォトクロミズム」発足シンポジウム), 東京大学山上会館  16 11 2007 

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    • Surface-Mediated Photoalignment of Organic/Inorganic Nanohybrids

      7TH PACIFIC RIM CONFERNENCE ON CERAMIC AND GLASS TECHNOLOGY, Shanghai  11 2007 

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    • 疎水性高分子の広がった単分子膜形成と分子組織化 Invited International conference

      永野修作

      関東高分子若手研究会2007ミニシンポジウム  21 9 2007  高分子学会関東高分子若手研究会

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      Venue:岐阜観光ホテル 十八楼  

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    • ゾルゲル法にて固定したクロモニック液晶相の光配向制御 International conference

      原 光生, 川月 喜弘, 永野 修作, 関 隆広

      第56回高分子討論会  9 2007 

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    • アゾベンゼン部位を有するブロック共重合体単分子膜の光誘起形態変化 International conference

      近藤 剛司, 永野 修作, 関 隆広

      第56回高分子討論会  9 2007 

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    • 光応答性液晶高分子ブラシのスメクティック相の配向と光応答 International conference

      永野 修作, 関 隆広, 植草 貴行

      第56回高分子討論会  9 2007 

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    • 超分子型アゾベンゼンポリマーによる新たな光誘起表面レリーフ形成システムの構築 International conference

      諫山 純, 三井 俊, 永野 修作, 関 隆広

      第56回高分子討論会  9 2007 

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    • 液晶性ブロックコポリマー薄膜のミクロ相分離構造と光配向 International conference

      小飯塚 祐介, 近藤 剛司, 森川 雄市, 永野 修作, 関 隆広

      第56回高分子討論会  9 2007 

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    • ブロックコポリマー単分子膜のナノパターン形成と高分子表面加工への応用 International conference

      永野 修作, 関 隆広, 谷口 大介

      第56回高分子討論会  9 2007 

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    • 疎水性共役高分子の単分子膜を用いた分子組織膜の構築 International conference

      児玉 誠一郎, 永野 修作, 関 隆広, 戸田 章雄

      第56回高分子討論会  9 2007 

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    • 真空紫外光酸化を用いた高分子ゲル表面へのアゾベンゼン基の導入 International conference

      青島 ほずみ, 永野 修作, 関 隆広

      第56回高分子討論会  9 2007 

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    • アゾベンゼン分子層を持つハイドロゲル表面の構築と光機能 International conference

      永野 修作, 関 隆広, 谷口 直樹

      第56回高分子討論会  9 2007 

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    • 低分子化合物の共展開によるブロックコポリマー表面逆ミセルの発現 International conference

      衣松 徹哉, 永野 修作, 関 隆広

      第56回高分子討論会  9 2007 

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    • Formation of a Highly Ordered Dot Array of Surface Micelles of a Block Copolymer via Liquid Crystal-Hybridized Self-Assembly

      Shusaku Nagano, Daisuke Taniguchi, Yu Matsushita, Takahiro Seki

      International Synmposium on MacroMolecular Complexes(MMC-12)(fukuoka)  29 8 2007 

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    • 疎水的な高分子の広がった単分子膜を水面で作る Invited International conference

      永野修作

      日本液晶学会液晶フォトニクス・光デバイスフォーラム  18 7 2007 

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    • Ideal Spread Monolayer Formation and Layer-by-Layer Deposition of Hydrophobic Conjugated Polymers with the Assist of Liquid Crystal Monolayer

      Shusaku Nagano, Seiichiro Kodama, Takahiro Seki

      9th European Conference on Liquid Crystals  5 7 2007 

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    • Photocontrol of Morphology and Orientation of Liquid Crystalline Nanaomaterials Invited

      Takahiro Seki, Takayuki Uekusa, Yuichi Morikawa, Shusaku Nagano

      9th European Conference on Liquid Crystals  3 7 2007 

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    • アゾベンゼンをもつ水素結合型超分子ポリマーの合成と光誘起表面 International conference

      三井 俊, 永野修作, 関 隆広

      第56回高分子学会年次大会  31 5 2007 

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    • 疎水性ポリチオフェンの広がった単分子膜および多層累積膜の調製と構造評価 International conference

      児玉誠一郎, 永野修作, 関 隆広

      第56回高分子学会年次大会  30 5 2007 

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    • 低分子化合物単分子膜のアシストによる両親媒性ブロックコポリマーの表面逆ミセル形成 International conference

      衣松徹哉, 永野修作, 関 隆広

      第56回高分子学会年次大会  30 5 2007 

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    • ブロック共重合体/液晶分子混合単分子膜の高秩序ナノパターンの形成とその機能化 International conference

      谷口大介, 永野修作, 関 隆広

      第56回高分子学会年次大会  30 5 2007 

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    • ハイドロゲル表面へのアゾベンゼン分子層の修飾と光機能化 International conference

      谷口直樹, 永野修作, 関 隆広

      第56回高分子学会年次大会  30 5 2007 

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    • 真空紫外光酸化を利用した高分子ゲル表面へのアゾベンゼン基の導入 International conference

      青島ほずみ, 永野修作, 関 隆広

      第56回高分子学会年次大会  30 5 2007 

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    • 液晶性ジブロックコポリマー薄膜でのポリスチレンナノシリンダー構造の光配向制御と再配列 International conference

      森川雄市, 永野修作, 関 隆広

      第56回高分子学会年次大会  29 5 2007 

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    • アゾベンゼンを有するブロック共重合体単分子膜の光誘起形態変化 International conference

      近藤剛司, 永野修作, 関 隆広

      第56回高分子学会年次大会  29 5 2007 

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    • ジメチルシロキサン-アゾベンゼンジブロック共重合体薄膜のミクロ相分離構造の光配向制御 International conference

      小飯塚祐介, 永野修作, 関 隆広

      第56回高分子学会年次大会  29 5 2007 

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    • 液晶性ブロックコポリマーのスメクチック相とミクロ相分離構造の光配向 Invited International conference

      永野修作, 関 隆広

      第11回液晶化学研究会  18 5 2007 

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    • 柔軟鎖を含む液晶性ジブロックコポリマー薄膜のミクロ相分離構造と光配向制御 International conference

      小飯塚 祐介, 青木 健二, 永野 修作, 関 隆広

      第11回液晶化学研究会(大分 ビーコンプラザ)  5 2007 

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    • 水素結合型超分子アゾベンゼンポリマーによる光誘起表面レリーフ形成 International conference

      三井俊, 諌山純, 永野修作, 関隆広

      第11回液晶化学研究会(大分 ビーコンプラザ)  5 2007 

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    • 液晶性高分子グラフト基板における特異なメソゲン配向挙動 International conference

      植草貴行, 永野修作, 関 隆広

      第56回高分子学会年次大会  30 3 2007 

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    • ブロックコポリマー/低分子両親媒性化合物ハイブリッド単分子膜からの逆表面ミセル形成 International conference

      衣松徹哉, 永野修作, 関 隆広

      日本化学会第87春季年会  29 3 2007 

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    • 水素結合型超分子アゾベンゼンポリマーの合成と光誘起表面レリーフ形成 International conference

      三井 俊, 永野修作, 関 隆広

      日本化学会第87春季年会  29 3 2007 

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    • 真空紫外光酸化を利用した高分子ゲル表面の光機能化 International conference

      青島ほずみ, 永野修作, 関 隆広

      日本化学会第87春季年会  27 3 2007 

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    • ジメチルシロキサン-アゾベンゼンジブロックコポリマー薄膜のミクロ相分離構造の光配向制御 International conference

      小飯塚祐介, 永野修作, 関 隆広

      日本化学会第87春季年会  27 3 2007 

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    • ブロックコポリマー/液晶分子混合単分子膜の高秩序ナノパターンの形成とその機能化 International conference

      谷口大介, 永野修作, 関 隆広

      日本化学会第87春季年会  27 3 2007 

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    • アゾベンゼンを有する液晶性高分子ブラシの特異な液晶配向状態と光配向 International conference

      植草貴行, 永野修作, 関 隆広

      日本化学会第87春季年会  26 3 2007 

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    • ゾルゲル法にて固定化したリオトロピック液晶構造の光配向制御 International conference

      原 光生, 溝下倫大, 永野修作, 川月喜弘, 関 隆広

      日本化学会第87春季年会  25 3 2007 

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    • ゾルゲル法にて固定化したリオトロピック液晶性色素構造体の光配向制御 International conference

      原 光生, 溝下倫大, 永野修作, 川月喜弘, 関 隆広

      2007年富士裾野21世紀フォーラム  2 2 2007  帝人

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    • 疎水性ポリチオフェン単分子膜およびその累積膜の構造評価 International conference

      児玉 誠一郎, 永野修作, 関 隆広

      2007年富士裾野21世紀フォーラム  2 2 2007 

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    • ハイドロゲル表面へのアゾベンゼン分子層の導入と光機能 International conference

      谷口直樹, 永野修作, 関隆広

      高分子ゲル研究討論会  17 1 2007  高分子学会

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    • 液晶性ジブロックコポリマー薄膜での階層構造がメソゲンの配向へもたらす光メモリー効果 International conference

      森川雄市, 近藤剛司, 永野修作, 関 隆広

      第17回日本MRS学術シンポジウム日本大学駿河台キャンパス  9 12 2006  日本MRS

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    • ポーラス構造を導入したアゾベンゼン液晶ゲルのフォトメカニカル効果 International conference

      早田祐貴, 永野修作, 竹岡敬和, 関 隆広

      第17回日本MRS学術シンポジウム  9 12 2006 

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    • Immobilization and in-plane alignment of columnar assemblies of lyotropic liquid crystals in liquid crystals/silica hybrid films

      Mitsuo HARA, Norihiro MIZOSHITA, Shusaku NAGANO, Takahiro SEKI

      2006 MRS Fall MeetingBoston, USA  27 11 2006 

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    • 低分子化合物との共展開によるブロック共重合体単分子膜のモルフォルジー制御 International conference

      永野修作, 松下祐, 大沼友希, 関隆広

      第37回中部化学関係学協会支部連合秋季大会愛知工業大学  12 11 2006  中部化学関係学協会支部連合

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    • 低分子液晶を含浸させたアゾベンゼン液晶高分子ゲルの光体積変化 International conference

      早田祐貴, 永野修作, 竹岡敬和, 関隆広

      第37回中部化学関係学協会支部連合秋季大会愛知工業大学  12 11 2006  中部化学関係学協会支部連合

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    • 各種の機能化へ向けた二次元なの構造の構築 International conference

      近藤剛司, 永野修作, 関隆広

      第37回中部化学関係学協会支部連合秋季大会愛知工業大学  12 11 2006  中部化学関係学協会支部連合

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    • 2次元での高分子ミクロ相分離構造の動的制御 International conference

      関 隆広, 永野修作

      「次世代共役ポリマーの超階層制御と革新機能」A01班会議  27 9 2006 

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    • 低分子溶媒中における光応答性液晶ゲルのフォトメカニカル効果 International conference

      早田祐貴, 永野修作, 関 隆広

      第55回高分子討論会  22 9 2006 

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    • 光応答性を有する液晶高分子グラフト基板の作製と配向挙動 International conference

      植草貴行, 永野修作, 関 隆広

      第55回高分子討論会  22 9 2006 

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    • リオトロピック液晶の自己集合構造の固定化とその配向制御 International conference

      原 光生, 永野修作, 関 隆広

      第55回高分子討論会  21 9 2006 

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    • 液晶性アゾベンゼン高分子における光誘発物質移動とその移動機構 International conference

      諫山 純, 永野修作, 関 隆広

      第55回高分子討論会  21 9 2006 

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    • 疎水性π-共役系高分子単分子膜およびその累積膜の構造評価 International conference

      児玉誠一郎, 永野修作, 関 隆広

      第55回高分子討論会  21 9 2006 

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    • アゾベンゼンを有するブロック共重合体単分子膜が形成するミクロ相分離構造の光配向制御 International conference

      青木健二, 永野修作, 関 隆広

      第55回高分子討論会  21 9 2006 

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    • 低分子化合物のアシストによるブロックコポリマー単分子膜のモルフォロジー制御 International conference

      永野修作

      第55回高分子討論会  21 9 2006 

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    • アゾベンゼン液晶ゲルの液晶溶媒中におけるフォトメカニカル効果 International conference

      早田祐貴, 永野修作, 竹岡敬和, 関 隆広

      2006年日本液晶学会討論会  14 9 2006 

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    • ゾルゲル法を用いたリオトロピック液晶/シリカハイブリッド薄膜の作製と液晶構造の配向制御 International conference

      原 光生, 溝下倫大, 永野修作, 関 隆広

      2006年日本液晶学会討論会  14 9 2006 

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    • 液晶性アゾベンゼンポリマーにおける光誘発物質移動とその移動機構 International conference

      諫山 純, 永野修作, 関 隆広

      2006年日本液晶学会討論会  14 9 2006 

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    • アルキル鎖モノマーと共重合した液晶性アゾベンゼン高分子における光誘発物質移動 International conference

      諫山純, 小笠原利信, 永野修作, 関隆広

      オルガテクノ2006  25 7 2006 

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    • 液晶性色素/シリカハイブリッド薄膜における色素会合体の配向制御 International conference

      原光生, 溝下倫大, 永野修作, 関隆広

      オルガテクノ2006  25 7 2006 

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    • ゲル表面からの光応答性液晶高分子のグラフト重合 International conference

      植草貴行, 永野修作, 関 隆広

      第10回液晶化学研究会シンポジウム  16 7 2006 

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    • クロモニック液晶の自己集合構造の固定化とその配向制御 International conference

      原光生, 溝下倫大, 永野修作, 関隆広

      第10回液晶化学研究会シンポジウム  16 7 2006 

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    • ハイドロゲル表面へのアゾベンゼン分子層の修飾と光パターニング International conference

      谷口直樹, 永野修作, 関 隆広

      第10回液晶化学研究会シンポジウム  16 7 2006 

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    • ポリジメチルシロキサンとポリ(4-ビニルピリジン)からなるブロック共重合体の合成と単分子膜挙動 International conference

      近藤剛司, 永野修作, 関 隆広

      第10回液晶化学研究会シンポジウム  16 7 2006 

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    • アゾベンゼンを有する高分子ブラシのゲル表面への導入 International conference

      植草貴行, 永野修作, 関 隆広

      第55回高分子年次大会  26 5 2006 

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      Venue:名古屋国際会議場  

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    • ハイドロゲル表面へのアゾベンゼン分子層の修飾と光パターニング International conference

      谷口直樹, 永野修作, 関 隆広

      第55回高分子年次大会  26 5 2006 

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      Venue:名古屋国際会議場  

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    • ポリジメチルシロキサンとポリ(4-ビニルピリジン)からなるブロック共重合体の合成と単分子膜挙動 International conference

      近藤剛司, 永野修作, 関 隆広

      第55回高分子年次大会  26 5 2006 

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      Venue:名古屋国際会議場  

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    • 基板のぬれ性の違いを利用したブロック共重合体ミクロ相分離配向制御 International conference

      森川雄市, 永野修作, 彌田智一, 関 隆広

      第55回高分子年次大会  26 5 2006 

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      Venue:名古屋国際会議場  

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    • 疎水性ポリチオフェン単分子膜と基板界面近傍の構造評価 International conference

      児玉誠一郎, 永野修作, 関 隆広

      第55回高分子年次大会  26 5 2006 

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      Venue:名古屋国際会議場  

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    • リオトロピック液晶とシリカからなる有機/無機ハイブリッド薄膜の機能化発現 International conference

      原 光生, 永野修作, 関 隆広

      第55回高分子年次大会  26 5 2006 

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    • ブロックコポリマー/液晶分子ハイブリッド単分子膜による高秩序なナノパターンとその形成過程 International conference

      松下 祐, 永野修作, 関 隆広

      第55回高分子年次大会  25 5 2006 

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      Venue:名古屋国際会議場  

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    • 低分子のアシストによる疎水性高分子の広がった単分子膜形成 Invited International conference

      永野修作

      第55回高分子年次大会  25 5 2006 

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      Venue:名古屋国際会議場  

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    • アゾベンゼンを有する光応答性ABAトリブロック共重合体単分子膜の光誘起形 International conference

      青木健二, 永野修作, 関 隆広

      第55回高分子年次大会  24 5 2006 

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    • アゾベンゼン液晶高分子ゲルと透過吸収スペクトル評価 International conference

      早田 祐貴, 永野 修作, 竹岡 敬和, 関 隆広

      第55回高分子年次大会  24 5 2006 

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    • アゾベンゼン液晶高分子における光誘起物質移動とその移動機構の検討 International conference

      諫山 純, 永野修作, 関隆広

      第55回高分子年次大会  24 5 2006 

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    • 水素結合性超分子アゾベンゼンポリマーの液晶性と光誘起物質移動 International conference

      小笠原 利信, 諌山 純, 是津 信行, 永野 修作, 関 隆広

      第55回高分子年次大会  24 5 2006 

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    • リオトロピック液晶性色素/シリカハイブリッド薄膜の構造・配向制御-色素会合体の固定化を目指して International conference

      原 光生, 溝下倫大, 永野修作, 関 隆広

      日本化学会第86春季年会  30 3 2006 

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    • 光架橋性高分子フィルムを用いた配向メソポーラスシリカ薄膜の作製と応用 International conference

      福本晴彦, 永野修作, 川月喜弘, 関 隆広

      日本化学会第86春季年会  30 3 2006 

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    • アゾベンゼンを有するトリブロックコポリマー単分子膜の相分離構造とコンフォメーション International conference

      門田総平, 青木健二, 永野修作, 関 隆広

      日本化学会第86春季年会  29 3 2006 

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    • シロキサンおよび光応答性ブロックからなるブロック共重合体単分子膜の相分離構造 International conference

      青木健二, 永野修作, 関 隆広

      日本化学会第86春季年会  29 3 2006 

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    • ハイドロゲル表面へのアゾベンゼン基の導入とその光応答機能 International conference

      佐藤 守, 永野修作, 関 隆広

      日本化学会第86春季年会  29 3 2006 

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    • アゾベンゼンを滑車部位に導入した光応答性環動ゲルの作製と評価 International conference

      坂井大雅, 村山治美, 永野修作, 木戸脇匡俊, 伊藤耕三, 関 隆広

      日本化学会第86春季年会  29 3 2006 

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    • 水素結合性超分子液晶ポリマーを用いた光誘起表面レリーフ形成 International conference

      小笠原利信, 永野修作, 関 隆広

      日本化学会第86春季年会  28 3 2006 

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    • アルキル鎖モノマーと共重合したアゾベンゼン液晶高分子における光有機物質移動 International conference

      諫山 純, 永野修作, 関 隆広

      日本化学会第86春季年会  28 3 2006 

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    • ブロックコポリマー/液晶ハイブリッド単分子膜における高秩序ナノパターニング International conference

      松下 祐, 永野修作, 関 隆広

      日本化学会第86春季年会  28 3 2006 

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    • ブロック共重合体/両親媒性アゾベンゼン化合物混合単分子膜の特異な表面相分離構造 International conference

      大沼友希, 永野修作, 関 隆広

      日本化学会第86春季年会  28 3 2006 

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    • ぬれ性の異なる基板におけるミクロ相分離配向 International conference

      森川雄市, 永野修作, 彌田智一, 関 隆広

      日本化学会第86春季年会  28 3 2006 

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    • ATRP法によるハイドロゲル表面への光応答性高分子ブラシの導入 International conference

      植草貴行, 永野修作, 関 隆広

      日本化学会第86春季年会  27 3 2006 

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    • ブロック共重合体薄膜のミクロ相分離構造と配向の光制御 Invited International conference

      関 隆広, 永野 修作

      日本化学会第86春季年会  3 2006 

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    • ハイドロゲル表面へのアゾベンゼン基の導入とその光応答機能 International conference

      永野 修作, 佐藤, 守 関 隆広

      日本化学会第86春季年会  3 2006 

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    • ブロック共重合体/両親媒性アゾベンゼン化合物混合単分子膜の特異な表面相分離構造 International conference

      大沼 友希, 永野, 修作 関 隆広

      日本化学会第86春季年会  3 2006 

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    • ブロックコポリマー/液晶ハイブリッド単分子膜における高秩序ナノパターニング International conference

      松下 祐, 永野, 修作 関 隆広

      日本化学会第86春季年会  3 2006 

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    • ポリシロキサンおよび光応答性ブロックからなるブロック共重合体単分子膜の相分離構造 International conference

      青木 健二, 門田, 総平, 岩田孝文, 永野, 修作 関 隆広

      日本化学会第86春季年会  3 2006 

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    • 水素結合性超分子液晶ポリマーを用いた光誘起表面レリーフ形成 International conference

      小笠原, 利信, 諌山, 純, 是津, 信行, 永野, 修作 関 隆広

      日本化学会第86春季年会  3 2006 

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    • アルキル鎖モノマーと共重合したアゾベンゼン液晶高分子における光誘起物質移動 International conference

      諌山 純, 小笠原, 利信, 永野, 修作 関 隆広

      日本化学会第86春季年会  3 2006 

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    • 光架橋性高分子フィルムを用いた配向メソポーラスシリカ薄膜の作成と応用 International conference

      福本 晴彦, 永野, 修作, 川月, 喜弘 関 隆広

      日本化学会第86春季年会  3 2006 

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    • リオトロピック液晶性色素/シリカハイブリッド薄膜の構造・配向制御-色素会合体の固定化を目指して International conference

      原 光生, 福本, 晴彦, 溝下, 倫大, 永野, 修作 関 隆広

      日本化学会第86春季年会  3 2006 

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    • ATRP法によるハイドロゲル表面への光応答性高分子ブラシの導入 International conference

      植草 貴行, 永野, 修作 関 隆広

      日本化学会第86春季年会  3 2006 

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    • アゾベンゼンを有するトリブロックコポリマー単分子膜の相分離挙動とコンフォメーション International conference

      門田 総平, 青木, 健二, 永野, 修作 関 隆広

      日本化学会第86春季年会  3 2006 

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    • 疎水性π共役高分子の理想的な単分子膜形成 Invited International conference

      永野修作

      次世代共役ポリマーの超階層制御と革新機能 第2回公開シンポジウム  1 2006 

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    • ポリスチレンを有する両親媒性ブロック共重合体の気水界面上における凝集挙動変化と温度依存性 International conference

      植草貴行, 永野修作, 関隆広

      第16回日本MRS学術シンポジウム  12 2005 

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    • LB法を用いた光応答性ポリマーブラシ構造の構築 International conference

      植草貴行, 永野修作, 関隆広

      第16回日本MRS学術シンポジウム  12 2005 

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    • 液晶性ジブロックコポリマー薄膜での光誘起物質移動とナノシリンダー配向制御 International conference

      森川雄市, 永野修作, 渡辺一史, 鎌田香織, 彌田智一, 関隆広

      第16回日本MRS学術シンポジウム  12 2005 

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    • Synthesis and applications of photo-aligned mesoporous silica thin films on photo-crosslinkable polymer films

      Haruhiko Fukumoto, Shusaku Nagano, Nobuhiro Kawatsuki, Takahiro Seki

      12 2005 

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    • Nanophase separation structure of monolayer of triblock copolymer having azobenzene moiety in two dimensions

      Sohei Kadota, Shusaku Nagano, Takahiro Seki

      12 2005 

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    • Highly ordered dot array via spread monolayer of amphiphilic block copolymer cospread with liquid rystal molecule

      Shusaku Nagnao, Yu Matsushita, Yuki Ohnuma, Takahiro Seki

      12 2005 

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    • メソゲンからミクロ相分離構造への階層的光配向制御 International conference

      森川雄市, 永野修作, 渡辺一史, 彌田智一, 関隆広

      光化学討論会  9 2005 

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    • リオトロピック液晶性色素とシリカからなるナノ構造ハイブリッド膜 International conference

      原 光生, 福本晴彦, 溝下倫大, 永野修作, 関隆広

      2005年日本液晶学会討論会  9 2005 

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    • アゾベンゼンをリング部位に導入した環動ゲルの構築と光応答挙動 International conference

      坂井大雅, 永野修作, 木戸脇匡俊, 伊藤耕三, 関隆広

      第54回高分子討論会  9 2005 

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    • ポリシロキサンを有する光応答性ブロック共重合体単分子膜の光誘起形態変化 International conference

      青木 健二, 門田 総平, 岩田 孝文, 永野 修作, 関 隆広

      第54回高分子討論会  9 2005 

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    • アゾベンゼンを表面修飾したハイドロゲルの光応答性と膨潤挙動 International conference

      佐藤 守, 谷口 直樹, 坂井 大雅, 永野 修作, 関 隆広

      第54回高分子討論会  9 2005 

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    • 気水界面上での両親媒性ブロック共重合体の凝集挙動制御 International conference

      植草 貴行, 永野 修作, 関 隆広

      第54回高分子討論会  9 2005 

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    • 疎水性共役高分子の単分子膜形成と界面近傍のコンフォメーション International conference

      永野 修作, 児玉 誠一郎, 関 隆広

      第54回高分子討論会  9 2005 

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    • 超分子液晶ポリマーを用いた光誘起表面レリーフ形成 ―光機能団の除去― International conference

      小笠原 利信, 是津 信行, 永野 修作, 関 隆広

      第54回高分子討論会  9 2005 

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    • 液晶性ブロック共重合体薄膜におけるミクロ相分離配向の光マイクロパターニング International conference

      森川 雄市, 永野 修作, 渡辺 一史, 彌田 智一, 関 隆広

      第54回高分子討論会  9 2005 

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    • アゾベンゼンを有するトリブロックコポリマーの二次元膜中におけるコンフォメーション International conference

      門田 総平, 青木 健二, 永野 修作, 関 隆広

      第54回高分子討論会  9 2005 

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    • ブロックコポリマー/液晶ハイブリッド単分子膜の高秩序なナノパターン形成 International conference

      松下 祐, 永野 修作, 関 隆広

      第54回高分子討論会  9 2005 

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    • 非環状ジエンメタセシス重合による新規アゾベンゼン高分子液晶の合成と光応答 International conference

      岡村 康之, 永野 修作, 関 隆広

      第54回高分子討論会  9 2005 

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    • ブロック共重合体/低分子複合単分子膜の特異な表面モルフォロジー International conference

      大沼 友希, 永野 修作, 関 隆広

      第54回高分子討論会  9 2005 

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    • Highly Ordered Dot Array via Spread Monolayer of Amphipilic Block Copolymer Assisted with Liquid Crystal Molecule International conference

      Shusaku Nagano, Yu, Matsushita Yuki Ohnuma, Takahiro Seki

      The 8th SPSJ international Polymer Conference(IPC2005)  8 2005 

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    • Photocontrol of Nanostructures in Organic and Inorganic Thin Films International conference

      T. Seki, H. Fukumoto, U. Morikawa, S. Nagano

      International Symposium on EcoTopia Science 2005  8 2005 

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    • 低分子化合物とブロック共重合体との混合単分子膜の特異な相分離構造発現 International conference

      大沼 友希, 永野 修作, 関 隆広

      第9回液晶化学研究会シンポジウム  14 6 2005 

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    • ブロックコポリマー/液晶混合単分子膜の高度ナノパターン International conference

      松下 祐, 永野修作, 関隆広

      第9回液晶化学研究会シンポジウム  14 6 2005 

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    • 液晶性アゾベンゼンジブロックコポリマーでの光誘起物質移動によるナノシリンダー構造のマイクロパターニング International conference

      森川雄市, 永野修作, 渡辺一史, 彌田智一, 関隆広

      第9回液晶化学研究会シンポジウム  14 6 2005 

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    • リオトロピック液晶性色素とシリカからなる新規ハイブリッド膜の作成 International conference

      原光生, 福本晴彦, 溝下倫大, 永野修作, 関隆広

      第9回液晶化学研究会シンポジウム  14 6 2005 

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    • 光架橋性高分子配向フィルムを用いたメソポーラスシリカ薄膜細孔配列の光配向制御及びその応用 International conference

      福本晴彦, 永野修作, 川月喜弘, 関隆広

      第9回液晶化学研究会シンポジウム  14 6 2005 

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    • 液晶分子によりアシストされた疎水性共役高分子の単分子膜形成とコンフォメーション International conference

      永野修作, 関隆

      第9回液晶化学研究会シンポジウム  14 6 2005 

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    • Highly Ordered Dot Array of Surface Micelles in Block Copolymer Monolayer Cospread with Liquid Crystal Molecule

      Shusaku Nagano, Yu Matsushita, Yuki Oonuma, Takahiro Seki

      The 11th International Conference on Organized Molecular Films  6 2005 

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    • Monolayer Fabrication of Hydrophobic Conjugated Polymers and Conformations at Interfaces

      Shusaku Nagano, Takahiro Seki

      The 11th International Conference on Organized Molecular Films  6 2005 

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    • Nanophase separation structure of photoresponsive triblock copolymer bearing azobenzene

      Sohei Kadota, Kenji Aoki, Shusaku Nagano, Takahiro Seki

      The 11st International Conference on Organiced Molecular Films  6 2005 

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    • Photo-alignment of Mesoporous Silica Thin Films used Photo-crosslinkable Polymer Film

      Haruhiko Fukumoto, Shusaku Nagano, Nobuhiro Kawatsuki, Takahiro Seki

      The 11st International Conference on Organiced Molecular Films (LB11)  6 2005 

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    • Sharp Temperature Dependency of 2D Spreading Behavior in Amphiphilic Block Copolymers at Air-water Interface

      Takayuki Uekusa, Shusaku Nagano, Takahiro Seki

      The 11st International Conference on Organiced Molecular Films (LB11)  6 2005 

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    • Micro-patterning og Nanocylinder Alignment in Liquid Crystalline Diblock Coplymer Film Corrugated via Photoinduced Mass Transfer International conference

      Yuici Morikawa, Shusaku Nagano, Kazuhito Watanabe, Tomokazu Iyoda, Takahiro Seki

      The 8th SPSJ international Polymer Conference(IPC2005) Fukuoka  6 2005 

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    • 非環状ジエンメタセシス重合による新規アゾベンゼン高分子液晶の合成および光応答 International conference

      岡村 康之, 永野 修作, 関 隆広

      第54回高分子学会年次大会  26 5 2005 

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    • 低分子化合物との混合によるブロック共重合体単分子膜の特異な相分離構造発現 International conference

      大沼 友希, 永野 修作, 関 隆広

      第54回高分子学会年次大会  26 5 2005 

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    • ブロックコポリマー/液晶混合単分子膜の表面モルフォロジー International conference

      松下祐, 永野修作, 関隆広

      第54回高分子学会年次大会  26 5 2005 

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    • アゾベンゼンを滑車部位に導入した環動ゲルの構築と光応答 International conference

      坂井 大雅, 永野 修作, 木戸脇 匡俊, 伊藤 耕三, 関 隆広

      第54回高分子学会年次大会  25 5 2005 

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    • アルキル鎖を持つモノマーと共重合したアゾベンゼン液晶高分子における光誘起物質移動 International conference

      諫山 純, 小笠原 利信, 永野 修作, 関 隆広

      第54回高分子学会年次大会  25 5 2005 

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    • アゾベンゼンをもつ超分子液晶ポリマー薄膜を用いた光誘起表面レリーフ形成 International conference

      小笠原 利信, 是津 信行, 永野 修作, 関 隆広

      第54回高分子学会年次大会  25 5 2005 

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    • 液晶性ジブロックコポリマー薄膜での光誘起物質移動によるナノシリンダー構造の配向制御 International conference

      森川 雄市, 永野 修作, 渡辺 一史, 彌田 智一, 関 隆広

      第54回高分子学会年次大会  25 5 2005 

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    • 気水界面における両親媒性ブロック共重合体の温度に伴う凝集挙動変化 International conference

      植草 貴行, 永野 修作, 関 隆広

      第54回高分子学会年次大会  25 5 2005 

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    • アゾベンゼンを有するABAトリブロックコポリマー単分子膜のナノ相分離構造 International conference

      門田 総平, 青木 健二, 永野 修作, 関 隆広

      第54回高分子学会年次大会  25 5 2005 

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    • アゾベンゼンを表面に修飾したハイドロゲルの光応答 International conference

      佐藤 守, 永野 修作, 関 隆広

      第54回高分子学会年次大会  25 5 2005 

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    • メソポーラスシリカ薄膜細孔内へのモノマー導入とその光重合 International conference

      福本 晴彦, 永野 修作, 関 隆広

      第54回高分子学会年次大会  25 5 2005 

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    • 両親媒性ジブロックコポリマー薄膜の光誘起物質移動 International conference

      森川雄市, 永野修作, 渡辺一史, 彌田智一, 関隆広

      日本化学会第85春季年会  3 2005 

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    • ブロックコポリマー/液晶ハイブリッド単分子膜のモルフォロジー International conference

      松下祐, 永野修作, 関隆広

      日本化学会第85春季年会  3 2005 

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    • 低分子化合物混合によるブロック共重合体単分子膜の表面形態制御 International conference

      大沼友希, 永野修作, 関隆広

      日本化学会第85春季年会  3 2005 

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    • リオトロピック液晶性色素とシリカからなるハイブリッド膜のナノ構造 International conference

      原光生, 福本晴彦, 溝下倫大, 永野修作, 関隆広

      日本化学会第85春季年会  3 2005 

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    • 水素結合性超分子液晶ポリマー薄膜を用いた光誘起表面レリーフ形成 International conference

      小笠原利信, 是津信行, 永野修作, 関隆広

      日本化学会第85春季年会  3 2005 

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    • アゾベンゼンを有する両親媒性トリブロック共重合体単分子膜のナノ相分離構造 International conference

      青木健二, 門田総平, 永野修作, 関隆広

      日本化学会第85春季年会  3 2005 

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    • ポリジメチルシロキサンを持つ光機能性ブロック共重合体単分子膜の光誘起形態変化 International conference

      岩田孝文, 永野修作, 関隆広

      日本化学会第85春季年会  3 2005 

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    • ハイドロゲル表面へのアゾベンゼン導入とその光応答機能 International conference

      佐藤守, 永野修作, 関隆広

      日本化学会第85春季年会  3 2005 

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    • Alignment and Patterning of Mesoporous Silica Films by Polarized Light

      Fifth International Symposium on Biomimetic Materials Processing (BMMP-5)  1 2005 

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    • 疎水性共役高分子の単分子膜形成 International conference

      永野 修作, 関 隆広

      第15回日本MRS学会  12 2004 

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    • 光架橋性ポリマーフィルムによる光配向メソポーラスシリカ薄膜の作製 International conference

      福本 晴彦, 永野 修作, 川月 喜弘, 関 隆広

      第15回日本MRS学会  12 2004 

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    • アゾベンゼンを有するABAトリブロックコポリマーの二次元ナノ相分離構造 International conference

      門田 総平, 永野 修作, 関 隆広

      第15回日本MRS学会  12 2004 

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    • 架橋性液晶フィルムを用いたメソポーラスシリカ薄膜の偏光による光配向 International conference

      福本 晴彦, 永野 修作, 川月 喜弘, 関 隆広

      第53回高分子討論会  9 2004 

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    • 液晶分子を利用した疎水性共役高分子の単分子膜形成とコンフォメーション International conference

      永野 修作, 関 隆広

      第53回高分子討論会  9 2004 

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    • ポリシロキサンを有する光機能性ブロック共重合体の単分子膜 International conference

      岩田 孝文, 永野 修作, 関 隆広

      第53回高分子討論会  9 2004 

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    • 真空紫外光によるメソポーラスシリカ薄膜のフォトパターニング International conference

      小島 智之, 穂積 篤, 永野 修作, 関 隆広

      第53回高分子討論会  9 2004 

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    • 光誘起・物質移動を利用した金属ナノロッドのマニピュレーション International conference

      浅井 大, 是津 信行, 永野 修作, 関 隆広

      第53回高分子討論会  9 2004 

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    • アゾベンゼンを有するトリブロックコポリマーの二次元ナノ相分離構造 International conference

      門田 総平, 永野 修作, 関 隆広

      第53回高分子討論会  9 2004 

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    • ハイドロゲル表面へのアゾゼンの導入とその光応答機能 International conference

      佐藤 守, 永野 修作, 関 隆広

      第53回高分子討論会  9 2004 

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    • アゾベンゼンを有する新規トリブロックコポリマーの合成と単分子膜のナノ形態観測 International conference

      門田総平, 永野修作, 関 隆広

      第35回中部化学関係学協会支部連合秋季大会  9 2004 

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    • 福本晴彦、永野修作、川月喜弘、関 隆広 International conference

      福本晴彦, 永野修作, 川月喜弘, 関 隆広

      第35回中部化学関係学協会支部連合秋季大会  9 2004 

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    • 一次構造が制御された新規両親媒性アゾベンゼン高分子の合成 International conference

      岡村康之, 永野修作, 関 隆広

      第35回中部化学関係学協会支部連合秋季大会  9 2004 

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    • 干渉光学的アプローチによる高感度光誘起サーフェスレリーフ形成機構 International conference

      小笠原利信, 是津 信行, 永野修作, 関 隆広

      第35回中部化学関係学協会支部連合秋季大会  9 2004 

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    • 低分子化合物/ブロック共重合体混合単分子膜とナノ相分離 International conference

      大沼友希, 永野修作, 関 隆広

      第35回中部化学関係学協会支部連合秋季大会  9 2004 

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    • エチレンオキシド鎖を有する尿素型アゾベンゼン単分子膜の光異性化挙動 International conference

      坂井大雅, 永野修作, 関 隆広

      第35回中部化学関係学協会支部連合秋季大会  9 2004 

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    • アゾベンゼンを有するトリブロック共重合体の二次元ナノ相分離構造 International conference

      門田総平, 永野修作, 関 隆広

      2004年日本液晶学会討論会  9 2004 

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    • 光架橋性高分子液晶による高配向性メソポーラスシリカ薄膜の作成と応用 International conference

      福本晴彦, 永野修作, 川月喜弘, 関 隆広

      日本液晶学会討論会  9 2004 

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    • 真空紫外光照射によるメソポーラスシリカ薄膜のフォトパターニング International conference

      小島 智之, 穂積 篤, 永野 修作, 関 隆広

      日本液晶学会討論会  9 2004 

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    • 光架橋性液晶ポリマーによるメソポーラスシリカ薄膜の光配向制御 International conference

      福本 晴彦, 永野 修作, 川月 喜弘, 関 隆広

      第8回液晶化学研究会シンポジウム  9 6 2004 

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    • アゾベンゼンを有する新規トリブロックコポリマーの合成と単分子膜のナノ形態観測 International conference

      門田総平, 永野修作, 関隆広

      第8回液晶化学研究会シンポジウム  9 6 2004 

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    • 光誘起物質移動を用いた異方性金属微粒子のマニュピレーション International conference

      浅井 大, 是津 信行, 永野 修作, 関 隆広

      第53回高分子学会年次大会  5 2004 

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    • クラックフリーなメソポーラスシリカ薄膜の作製 International conference

      小島 智之, 穂積 篤, 永野 修作, 関 隆広

      第53回高分子学会年次大会  5 2004 

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    • 光架橋性ポリマーによるメソポーラスシリカ薄膜の光配向制御及び光パターニング International conference

      福本 晴彦, 永野 修作, 川月 喜弘, 関 隆広

      第53回高分子学会年次大会  5 2004 

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    • 液晶分子を利用した疎水性π共役系高分子の単分子膜形成 Invited International conference

      永野 修作, 関 隆広

      第53回高分子学会年次大会  5 2004 

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    • 干渉光学的アプローチによる高感度光誘起表面レリーフ形成機構の解明 International conference

      小笠原 利信, 是津 信行, 永野 修作, 関 隆広

      第53回高分子学会年次大会  5 2004 

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    • アゾベンゼンを有するABAトリブロックコポリマーの合成とその単分子膜形成と形態観察 International conference

      門田 総平, 永野 修作, 関 隆広

      第53回高分子学会年次大会  5 2004 

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    • アゾベンゼンを有するカルボン酸とブロック共重合体の混合水面展開膜 International conference

      大沼 友希, 永野 修作, 関 隆広

      第53回高分子学会年次大会  5 2004 

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    • エチレンオキシド鎖を尿素基に有するアゾベンゼン誘導体の合成と異性化 International conference

      坂井 大雅, 小林 徹, 永野 修作, 関 隆広

      第53回高分子学会年次大会  5 2004 

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    • ポリジメチルシロキサンをもつ光機能性ブロック共重合体の合成とその単分子膜 International conference

      岩田 孝文, 永野 修作, 関 隆広

      第53回高分子学会年次大会  5 2004 

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    • LB法による含アゾベンゼン両親媒性ブロック共重合体の2次元相分離構造 International conference

      渡辺 一史, 永野 修作, 関 隆広, 彌田 智一

      第53回高分子学会年次大会  5 2004 

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    Teaching Experience

    • 2020 - Present 
      物理化学応用特論2

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    • 2020 - Present 
      身近な物質の科学(物質の化学)

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    • 2020 - Present 
      物理化学3

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    • 2020 - Present 
      反応速度論

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    • 2020 - Present 
      化学実験B(物理化学)

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    • 2012 - 2020 
      ベンチャービジネス特論I ( 名古屋大学 )

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    • 2017 - 2019 
      高分子組織化学特論(分子組織工学特論) ( 名古屋大学 )

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    • 2016 - 2019 
      量子化学2 ( 名古屋大学 )

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    • 2012 - 2019 
      最先端理工学特論 ( 名古屋大学 )

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    • 2012 - 2019 
      最先端理工学実験 ( 名古屋大学 )

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    • 2019 
      化学生命工学実験4 ( 名古屋大学 )

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    • 2019 
      化学生命工学実験1 ( 名古屋大学 )

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    • 2019 
      化学実験 ( 名古屋大学 )

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    • 2017 - 2017 
      物質生命化学精選C「高分子と高分子組織構造」 ( 山形大学 )

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    • 2015 - 2015 
      材料創成工学特論 ( 三重大学 )

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    • 2012 - 2014 
      Polymer Chemistry

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    • 2003 - 2011 
      無機・物理化学実験

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    • 2003 - 2011 
      物理化学実験

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    Professional Memberships

    Research Projects

    • water command surface によるフレキシブル湿度センサー

      日本学術振興会  科学研究費助成事業 挑戦的研究(萌芽) 

      松井 淳, 永野 修作

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      6 2022 - 3 2024

      Grant number:22K18963

      Grant amount:\6500000 ( Direct Cost: \5000000 、 Indirect Cost:\1500000 )

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    • 液晶性高分子ラメラ構造に基づく光配向性機能材料の創出とナノデバイスへの展開

      日本学術振興会  科学研究費助成事業 

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      4 2019 - 3 2022

      Grant type:Competitive

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    • ナノ相分離による非晶性ホモポリマーのラメラ構造化機構解明と超階層構造への展開

      日本学術振興会  科学研究費助成事業 

      松井 淳

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      4 2018 - 3 2021

      Grant type:Competitive

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    • 自由界面のトリガー効果に基づく高分子膜の増幅的変換プロセスの創出

      日本学術振興会  科学研究費助成事業 

      関隆広, 原 光生, 川月 喜弘, 有光 晃二, 増渕 雄一, 山本 哲也

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      5 2016 - 3 2021

      Grant type:Competitive

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    • 高分子ナノ組織体に形成される2次元ナノ空間場を用いた超イオン伝導材料の創製

      日本学術振興会  科学研究費助成事業 

      松井 淳

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      4 2014 - 3 2018

      Grant type:Competitive

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    • 液晶性高分子のヘテロスメクチックラメラ構造を用いた サブ10 nm微細構造形成

      公益財団法人 東洋合成記念財団  東洋合成記念財団研究助成 

      永野修作

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      4 2016 - 3 2017

      Authorship:Principal investigator  Grant type:Competitive

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    • 高分子高密度ブラシの自己集合形成手法の構築と応用

      日本学術振興会  科学研究費助成事業 

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      4 2015 - 3 2017

      Grant type:Competitive

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    • ミクロ相分離構造の光配向技術に基づく新規デバイスナノ材料の創製

      日本学術振興会  科学研究費助成事業 

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      4 2013 - 3 2016

      Grant type:Competitive

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    • 極微な領域規制に基づくメソ薄膜の形態発現と光応答系の創成

      日本学術振興会  科学研究費助成事業 

      関隆広

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      4 2011 - 3 2016

      Grant type:Competitive

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    • 光誘起表面レリーフ形成機構の根本的な解明への挑戦

      日本学術振興会  科学研究費助成事業 

      守山 雅也

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      4 2013 - 3 2015

      Grant type:Competitive

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    • Photomechanical responses in two-dimensional self-assembled systems and their applications

      Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research on Priority Areas 

      SEKI Takahiro, TAKEOKA Yukikazu, NAGANO Shusaku

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      2007 - 2010

      Grant number:19050005

      Grant amount:\70300000 ( Direct Cost: \70300000 )

      Photomechanical effects are now widely studied in photochromic materials. This work deals with two-dimensional photomechanical systems that should be of great value to elucidate precise mechanisms at molecular levels. The work composed of three projects. 1) Photoresponsive block copolymers are spread on water and photoinduced morphological changes of two-dimensional microphase separation (MPS) structures are observed. 2) In liquid crystalline (LC) thin films of block copolymers, the orientation of MPS mesostructures are photoaligned and reoriented. The real time observations are feasible by use of an X-ray beam from a synchrotron radiation facility. 3) The precise understandings of transfer motions of LC azobenzene polymers thin films are obtained, and this phenomenon is applied to process inorganic materials.

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    • Creation of polymer thin films possessing unique molecular orientations and photoresponsive properties

      Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (B) 

      SEKI Takahiro, TAKEOKA Yukikazu, NAGANO Shusaku

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      2007 - 2009

      Grant number:19350056

      Grant amount:\18850000 ( Direct Cost: \14500000 、 Indirect Cost:\4350000 )

      Liquid crystalline (LC) polymer brushes containing an azobenzene (Az) mesogenic moiety on a quartz or silicon substrate are prepared by surface initiated atom transfer radical polymerization (ATRP). The grafted chain film adopted a smectec LC phase and the molecular orientation of Az mesogens in the grafted chain was parallel to the substrate plane. Highly ordered in-plane photoalignment of Az mesogens in the grafted chain was readily provided by the irradiation with linearly polarized visible light due to the effective light absorption of the Az mesogens aligned parallel to the substrate.

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    • 疎水性共役高分子の新規分子組織化手法の開発と界面超階層構造の構築

      文部科学省  科学研究費助成事業 

      永野 修作

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      2007 - 2008

      Authorship:Principal investigator  Grant type:Competitive

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    • ブロック共重合体単分子膜を利用したナノ相分離構造のマニピュレーション

      日本学術振興会  科学研究費助成事業 

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      2006 - 2008

      Grant type:Competitive

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    • 疎水性共役高分子の単分子膜マニピュレーションと界面超階層構造構築

      文部科学省  科学研究費助成事業 

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      2006 - 2007

      Grant type:Competitive

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    • Development of New Photo-triggered Mass Transport Systems

      Japan Society for the Promotion of Science  Grants-in-Aid for Scientific Research Grant-in-Aid for Scientific Research (A) 

      SEKI Takahiro, NAGANO Shusaku, TAKEOKA Yukikazu, UBUKATA Takashi

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      2004 - 2006

      Grant number:16205019

      Grant amount:\41600000 ( Direct Cost: \32000000 、 Indirect Cost:\9600000 )

      Az polymers are potentially useful as materials for reversible holographic information storage and photonic devices. Surface relief gratings (SRG) formed via irradiation with an interference pattern of coherent light have been demonstrated. We have developed highly sensitive photo-activated mass migration systems using LC binary component materials comprised of an azopolymer and a liquid crystal molecule or azopolymers containing a soft segment. The energy level is three orders of magnitude smaller than those required for conventional amorphous polymer systems hitherto reported. This efficient migration is found to be due to the photoinduced phase transition of a smectic phase to an isotroipic one. In the our migrating system, the quick motion itself can be a valuable function. An application as a "molecular conveyer" for patterning of light-inert (non-photoresponsive) functional materials can be presented. Functional materials, such as dye molecules, conjugated polymers, and semiconductor quantum dots, can be conveyed by the massive motion of the Az polymers. Azobenzene unit is essential for the photo-induced mass migration, but after the relief formation the existence of this strongly light absorbing chromophore will be a severe drawback for many optical applications. To overcome these contradictory requirements, a system in which the Az unit can be detached after the relief formation is proposed. Here the Az unit is not necessarily linked to the polymer backbone, but the supramolecular liquid crystalline framework via hydrogen bonding (Kato system) is applied. After the crosslinking mentioned above, the Az unit is readily removed from the film with retention of the morphological feature of the relief structure. The present proposal can be a facile and versatile method for bleaching the SRG film.

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    Industrial property rights

    • パターン形成体及びパターン形成方法

      永野 修作, 関 隆広

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      Applicant:国立大学法人名古屋大学

      Application no:特願2005-323846  Date applied:8 11 2005

      Announcement no:特開2007-133020 

      Date issued:31 5 2007

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    Social Contribution

    • 日本化学会年会プログラム編集員

      Organizing member

      日本化学会  2012 - 2016

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      Type:Lecture

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