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Development of of electro-functional materials and devices based on supramolecular polymers

Research Project

Project/Area Number 20F20035
Research Category

Grant-in-Aid for JSPS Fellows

Allocation TypeSingle-year Grants
Section外国
Review Section Basic Section 35030:Organic functional materials-related
Research InstitutionThe University of Tokyo

Principal Investigator

相田 卓三  東京大学, 大学院工学系研究科(工学部), 教授 (00167769)

Co-Investigator(Kenkyū-buntansha) CHAMPAGNE PIER-LUC  東京大学, 工学(系)研究科(研究院), 外国人特別研究員
Project Period (FY) 2020-04-24 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥2,300,000 (Direct Cost: ¥2,300,000)
Fiscal Year 2021: ¥1,100,000 (Direct Cost: ¥1,100,000)
Fiscal Year 2020: ¥1,200,000 (Direct Cost: ¥1,200,000)
KeywordsFerroelectric / Columnar liquid crystal / Electric field response / Ferroelectricity
Outline of Research at the Start

情報記録するメモリデバイスは、現代社会の発展に支えてきた。低コストで簡便に調整でき、柔軟で軽量な超高密度メモリの開発は、今後さらに進むであろう情報化社会に求められている技術である。本研究では、ナノメートルスケールの分極したカラムが二次元に配列した強誘電性液晶を利用した新しいメモリデバイスの開発を目的としている。その手段として、当研究室で見いだしている電場に対して容易に応答するハイブリッドコア-シェルカラムナー液晶と呼ばれる新しい素材を利用して本目的を達成しようとしている。

Outline of Annual Research Achievements

In order to develop a new type of ferroelectric liquid crystals (FLCs) having columnar LC geometries, by using the technology of disk-rod hybrid columnar assembly realized by supramolecular polymerization in LC media, which is developed in Aida group, I started to synthesize an appropriate monomer. The synthesis of the monomer involves the incorporation of a bent-core molecular motif as a side chain of the core part of the monomer. In the core part, a hydrogen-bonding motif was employed.
This year, I have designed and synthesized a couple of different side-chains and core units for realizing the ferroelectric property. For the core units, bowl-shaped molecules having an appropriate bowl-inversion barrier were newly designed and synthesized. In this case, the ferroelectric property is given by the core unit. Therefore, the side chain units could be more simple. After coupling the sidechain and the core units, columnar LC is expected to be obtained and the ferroelectric columnar LC would be realized.

Research Progress Status

令和3年度が最終年度であるため、記入しない。

Strategy for Future Research Activity

令和3年度が最終年度であるため、記入しない。

Report

(2 results)
  • 2021 Annual Research Report
  • 2020 Annual Research Report

URL: 

Published: 2020-07-07   Modified: 2024-03-26  

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