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Development of a novel complex ER fluid based on hybrid liquid crystalline inorganic nano-particles

Research Project

Project/Area Number 24656020
Research Category

Grant-in-Aid for Challenging Exploratory Research

Allocation TypeMulti-year Fund
Research Field Applied materials science/Crystal engineering
Research InstitutionRitsumeikan University

Principal Investigator

HANASAKI Tomonori  立命館大学, 生命科学部, 教授 (80278217)

Co-Investigator(Kenkyū-buntansha) KANEKO Kosuke  立命館大学, 生命科学部, 助教 (30469192)
Project Period (FY) 2012-04-01 – 2015-03-31
Project Status Completed (Fiscal Year 2014)
Budget Amount *help
¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2014: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2013: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2012: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
KeywordsER fluid / nano-particle / liquid crystal / 液晶 / ER流体 / 金ナノ粒子 / シリカナノ粒子 / 混合系 / ER効果 / 無機ナノ粒子 / ハイブリッド / Side-end型 / Side-on型
Outline of Final Research Achievements

Novel liquid crystalline gold nano-particles and silica nano-particles have been synthesized in this study. The structures of liquid crystalline ligands used here were a side-on type and a side-end one. The phase transition behavior of these compounds has been studied by a differential scanning calorimetry and a polarizing optical microscope observation. The miscibility of the surface modified inorganic nano-particles with the low molar mass liquid crystal, 5CB, has been also studied. Furthermore, the ER effect of the surface modified gold nano-particles dispersed in 5CB was measured. The characteristics of a dispersed type ER fluid was observed for the composite of the side-on type surface modified gold nano-particles with 5CB in addition to the characteristics of a homogeneous ER fluid.

Report

(4 results)
  • 2014 Annual Research Report   Final Research Report ( PDF )
  • 2013 Research-status Report
  • 2012 Research-status Report
  • Research Products

    (7 results)

All 2015 2014 Other

All Journal Article (1 results) (of which Peer Reviewed: 1 results,  Acknowledgement Compliant: 1 results) Presentation (6 results)

  • [Journal Article] Electric-Field-Induced Viscosity Change of a Nematic Liquid Crystal with Gold Nanoparticles2015

    • Author(s)
      Kosuke Kaneko, Yoshihiro Ujihara, Kodai Oto, Takeshi Hashishin and Tomonori Hanasaki
    • Journal Title

      ChemPhysChem

      Volume: 16 Issue: 5 Pages: 919-922

    • DOI

      10.1002/cphc.201402850

    • Related Report
      2014 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Presentation] 液晶性金ナノ粒子の合成とその低分子液晶分散系におけるER効果2015

    • Author(s)
      飯塚祐太,金子光佑,花崎知則
    • Organizer
      日本化学会第95春季年会
    • Place of Presentation
      日本大学船橋キャンパス(千葉県)
    • Year and Date
      2015-03-27
    • Related Report
      2014 Annual Research Report
  • [Presentation] Side-on 型メソゲン基を有する液晶性金ナノ粒子の合成および物性2014

    • Author(s)
      氏原由博, 大戸広大, 金子光佑, 花﨑知則
    • Organizer
      2014 年日本液晶学会討論会
    • Place of Presentation
      松江くにびきメッセ(島根県)
    • Year and Date
      2014-09-08
    • Related Report
      2014 Annual Research Report
  • [Presentation] 液晶基を導入させたシリカナノ粒子の合成と物性2014

    • Author(s)
      森彩乃, 渡邊修平, 金子光佑, 小島一男, 花﨑知則
    • Organizer
      2014 年日本液晶学会討論会
    • Place of Presentation
      松江くにびきメッセ(島根県)
    • Year and Date
      2014-09-08
    • Related Report
      2014 Annual Research Report
  • [Presentation] 液晶基を有する金ナノ粒子の低分子液晶混合系におけるER効果

    • Author(s)
      氏原由博,大戸広大,金子光佑,花﨑知則
    • Organizer
      2013年日本液晶学会討論会
    • Place of Presentation
      大阪大学(大阪府)
    • Related Report
      2013 Research-status Report
  • [Presentation] Electro-rheological effect of gold nanoparticles capped with mesogens dispersed in low molecular weight liquid crystal

    • Author(s)
      Kosuke KANEKO, Yoshihiro UJIHARA, Kodai OTO, and Tomonori HANASAKI
    • Organizer
      12th European Conference on Liquid Crystals
    • Place of Presentation
      Rhodes, Greece
    • Related Report
      2013 Research-status Report
  • [Presentation] Side-on型メソゲン基を有する表面修飾金ナノ粒子の合成とその物性

    • Author(s)
      氏原由博,大戸広大,金子光佑,花﨑知則
    • Organizer
      日本化学会第94春季年会
    • Place of Presentation
      名古屋大学(愛知県)
    • Related Report
      2013 Research-status Report

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Published: 2013-05-31   Modified: 2019-07-29  

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