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Fabrication of a stretchable functional material composed of a liquid organic semiconductor and an elastomer for electroluminescent devices

Research Project

Project/Area Number 19K15424
Research Category

Grant-in-Aid for Early-Career Scientists

Allocation TypeMulti-year Fund
Review Section Basic Section 28050:Nano/micro-systems-related
Research InstitutionHosei University

Principal Investigator

Kasahara Takashi  法政大学, 理工学部, 講師 (10707714)

Project Period (FY) 2019-04-01 – 2021-03-31
Project Status Completed (Fiscal Year 2020)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2020: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2019: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Keywords液体有機半導体 / 有機EL / 伸縮性エレクトロニクス / 電子注入層
Outline of Research at the Start

IoT社会に応えるウェアラブルディスプレイの創生に向け、新たな伸縮性機能薄膜と、当該材料を用いた発光デバイスを、ナノ・マイクロデバイス設計と電子物性論の観点から追究する。常温で液状の液体有機半導体の潜在能力を極限まで引き出すことを目標に、液体有機半導体とエラストマーとを融合することで、伸縮性およびサブミクロンの薄膜性を備えた新規発光材料を開発し、スピンコート法およびスクリーン印刷技術によって当該材料を備えた有機ELを作製する。

Outline of Final Research Achievements

We proposed a stretchable organic material composed of a pyrene-based liquid organic semiconductor and an elastomer. The prepared material was found to be stretched to three times its normal size. Organic light-emitting diode (OLED) consisting of the stretchable emitting layer exhibited greenish-blue electroluminescence. We believe that the proposed stretchable emitting material will be useful in developing novel light-emitting devices.

Academic Significance and Societal Importance of the Research Achievements

本研究で作製した伸縮性機能薄膜を有機ELの発光層として用いることで、大気下で電界発光が得られることが明らかになった。今後、電子物性およびナノ・マイクロデバイス設計の観点から当該材料の性能をさらに引き出すことで、衣類や肌などに装着可能なウェアラブルディスプレイや、自由曲面や関節部位に実装可能な医療ロボット用センサーへの応用も期待される。

Report

(3 results)
  • 2020 Annual Research Report   Final Research Report ( PDF )
  • 2019 Research-status Report
  • Research Products

    (8 results)

All 2021 2020

All Journal Article (4 results) (of which Peer Reviewed: 4 results,  Open Access: 2 results) Presentation (4 results)

  • [Journal Article] Green electrogenerated chemiluminescence using a quinacridone derivative as a guest molecule2021

    • Author(s)
      Yugo Koinuma, Ryoichi Ishimatsu, Emiri Kato, Jun Mizuno, Takashi Kasahara
    • Journal Title

      Electrochemistry Communications

      Volume: -

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Solution-Processed Carrier Injection Layer for Microfluidic Organic Light-Emitting Diodes2020

    • Author(s)
      Yutaro Yamada, Hiroyuki Kuwae, Takuya Nomura, Juro Oshima, Jun Mizuno, Takashi Kasahara
    • Journal Title

      Transactions of The Japan Institute of Electronics Packaging

      Volume: 13 Issue: 0 Pages: E20-001-1-E20-001-3

    • DOI

      10.5104/jiepeng.13.E20-001-1

    • NAID

      130007872310

    • ISSN
      1883-3365, 1884-8028
    • Related Report
      2020 Annual Research Report
    • Peer Reviewed / Open Access
  • [Journal Article] Fabrication of microfluidic electrogenerated chemiluminescence cells incorporated with titanium dioxide nanoparticles to improve luminescent performances2020

    • Author(s)
      Koji Okada, Ryoichi Ishimatsu, Jun Mizuno, Takashi Kasahara
    • Journal Title

      Applied Physics Express

      Volume: 13 Issue: 10 Pages: 107001-107001

    • DOI

      10.35848/1882-0786/abb3d6

    • Related Report
      2020 Annual Research Report
    • Peer Reviewed
  • [Journal Article] White electrogenerated chemiluminescence using an anthracene derivative host and fluorescent dopants for microfluidic self-emissive displays2020

    • Author(s)
      Yugo Koinuma, Ryoichi Ishimatsu, Hiroyuki Kuwae, Koji Okada, Jun Mizuno, Takashi Kasahara
    • Journal Title

      Sensors and Actuators A: Physical

      Volume: 306 Pages: 111966-111966

    • DOI

      10.1016/j.sna.2020.111966

    • Related Report
      2019 Research-status Report
    • Peer Reviewed
  • [Presentation] 酸化亜鉛ナノ粒子を電子注入層として用いた液体有機ELの特性評価2021

    • Author(s)
      山田悠太朗、水野潤、笠原崇史
    • Organizer
      第27回「エレクトロニクスにおけるマイクロ接合・実装技術」シンポジウム
    • Related Report
      2020 Annual Research Report
  • [Presentation] アセン化合物をホストとして用いたRGBマイクロ流体電気化学発光素子の開発2020

    • Author(s)
      鯉沼祐伍、石松亮一、笠原崇史
    • Organizer
      第37回「センサ・マイクロマシンと応用システム」シンポジウム
    • Related Report
      2020 Annual Research Report
  • [Presentation] 酸化物半導体ナノ粒子を用いたマイクロ流体電気化学発光素子の高輝度化検討2020

    • Author(s)
      岡田紘治、石松亮一、笠原崇史
    • Organizer
      第37回「センサ・マイクロマシンと応用システム」シンポジウム
    • Related Report
      2020 Annual Research Report
  • [Presentation] 液体有機半導体を含有する伸縮性薄膜の作製2020

    • Author(s)
      橋本賢弥、 野村拓哉、大島寿郎、水野潤、笠原崇史
    • Organizer
      令和2年電気学会全国大会
    • Related Report
      2019 Research-status Report

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Published: 2019-04-18   Modified: 2022-01-27  

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