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Creation of new liquid crystalline phases by using inorganic materials mimicking the disclination lines of liquid crystals

Research Project

Project/Area Number 25610123
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Biological physics/Chemical physics/Soft matter physics
Research InstitutionOsaka University

Principal Investigator

UCHIDA Yoshiaki  大阪大学, 基礎工学研究科, 准教授 (60559558)

Project Period (FY) 2013-04-01 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2015: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2014: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2013: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Keywords液晶 / 転傾 / 三次元無機構造体 / 配向欠陥 / フラストレート液晶相 / ポーラスカーボン / ポーラスシリカ / コレステリックブルー相 / 多孔質 / 相転移 / 液晶相
Outline of Final Research Achievements

We synthesized porous carbon, porous silica, and tetrapod-shaped zinc oxide particles mimicking the disclination lines of cholesteric blue phase II that is one of frustrated liquid crystalline phases. And, when these synthesized inorganic structural materials were added to cholesteric liquid crystalline phases, which are not frustrated liquid crystalline phases, we found that these inorganic materials strongly affected the structures of the director field in the host liquid crystalline phases. In addition, to clarify the internal structure of the complexes of the inorganic materials and liquid crystalline phases in the future, we developed finite-differential time-domain simulation method for liquid crystalline phases and analyzed the light propagation behavior in a cholesteric liquid crystalline emulsion. Furthermore, we developed the synthetic method of polymer nanosheets in lyotropic liquid crystalline phases.

Report

(4 results)
  • 2015 Annual Research Report   Final Research Report ( PDF )
  • 2014 Research-status Report
  • 2013 Research-status Report
  • Research Products

    (6 results)

All 2016 2015 2013

All Journal Article (2 results) (of which Peer Reviewed: 2 results,  Acknowledgement Compliant: 2 results) Presentation (4 results)

  • [Journal Article] Nanosheet Formation in Hyperswollen Lyotropic Lamellar Phases2016

    • Author(s)
      Y. Uchida, T. Nishizawa, T. Omiya, Y. Hirota, N. Nishiyama
    • Journal Title

      Journal of the American Chemical Society

      Volume: 138 Issue: 4 Pages: 1103-1105

    • DOI

      10.1021/jacs.5b11256

    • NAID

      40021457171

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Size Control of ZnO Tetrapod in Gas-phase Synthesis using Flow Restrictor2015

    • Author(s)
      Y. Uchida, K. Sakai, K. Yamamoto, N. Nishiyama,
    • Journal Title

      Chemistry Letters

      Volume: 44 Issue: 9 Pages: 1188-1190

    • DOI

      10.1246/cl.150375

    • NAID

      130005096891

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Presentation] 超膨潤ラメラ相の安定化2015

    • Author(s)
      内田幸明、西澤巧馬、西山憲和
    • Organizer
      2015年日本液晶学会討論会
    • Place of Presentation
      東京工業大学(神奈川県・横浜市)
    • Year and Date
      2015-09-07
    • Related Report
      2015 Annual Research Report
  • [Presentation] 時間領域差分法を用いたコレステリック液晶マイクロカプセル中の光伝播解析2015

    • Author(s)
      山本果歩、内田幸明、岩井陽典、西山憲和
    • Organizer
      化学工学会第80年会
    • Place of Presentation
      芝浦工業大学
    • Year and Date
      2015-03-18 – 2015-03-20
    • Related Report
      2014 Research-status Report
  • [Presentation] FDTD Analysis of Light Propagation in Cholesteric Liquid Crystalline Microcapsules2015

    • Author(s)
      K. Yamamoto, Y. Uchida, Y. Iwai, N. Nishiyama
    • Organizer
      The 2nd Asian Conference on Liquid Crystals
    • Place of Presentation
      Busan, Korea
    • Year and Date
      2015-01-19 – 2015-01-21
    • Related Report
      2014 Research-status Report
  • [Presentation] コレステリック液晶-無機多孔質複合体のフォトニック構造2013

    • Author(s)
      宇都宮敬子・三留敬人・内田幸明・西山憲和
    • Organizer
      2013年日本液晶学会講演会・討論会
    • Place of Presentation
      大阪大学学会館アセンブリーホール
    • Related Report
      2013 Research-status Report

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Published: 2014-07-25   Modified: 2019-07-29  

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