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Development of new organic spin devices exploiting currents from electron spin resonace and creation of their basic techniques

Research Project

Project/Area Number 25288117
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypePartial Multi-year Fund
Section一般
Research Field Device related chemistry
Research InstitutionOsaka City University

Principal Investigator

Kanemoto Katsuichi  大阪市立大学, 大学院理学研究科, 准教授 (40336756)

Project Period (FY) 2013-04-01 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥19,110,000 (Direct Cost: ¥14,700,000、Indirect Cost: ¥4,410,000)
Fiscal Year 2015: ¥3,380,000 (Direct Cost: ¥2,600,000、Indirect Cost: ¥780,000)
Fiscal Year 2014: ¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2013: ¥11,830,000 (Direct Cost: ¥9,100,000、Indirect Cost: ¥2,730,000)
Keywords電子スピン共鳴 / ESR / 変位電流 / 電流検出ESR / トラップ / 有機半導体 / 誘起電流
Outline of Final Research Achievements

We recently found that a strong ESR-induced current is obtained by air-treating organic semiconductors. This research was dedicated to reveal the origin of the ESR-current effect and consider the method of applying the effect into new spin-based devices. It was revealed that this effect results from carriers in trapped sites inside organic diodes. This system was demonstrated to exhibit magneto-capacitance effects under photoexcitation, being the first result that was obtained from air-treated semiconductors. We further revealed that capacitance of this system varies by ESR. Although the proportion of change was just 0.14%, it is much larger than the previous value from other systems and the highest.

Report

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

    (12 results)

All 2015 2014 2013

All Journal Article (2 results) (of which Peer Reviewed: 2 results,  Acknowledgement Compliant: 2 results,  Open Access: 1 results) Presentation (10 results) (of which Int'l Joint Research: 2 results,  Invited: 5 results)

  • [Journal Article] Displacement Current Induced by Electron Spin Resonance in Organic Semiconductor2015

    • Author(s)
      Katsuichi Kanemoto, Takayuki Nakajima
    • Journal Title

      Molecular Crystals and Liquid Crystals

      Volume: 622 Issue: 1 Pages: 129-133

    • DOI

      10.1080/15421406.2015.1105048

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Acknowledgement Compliant
  • [Journal Article] Direct monitoring of bias-dependent variations in the exciton formation ratio of working organic light emitting diodes2015

    • Author(s)
      Takahiro Takahashi, Katsuichi Kanemoto, Mariko Kanenobu, Yuta Okawauchi, Hideki Hashimoto
    • Journal Title

      Scientific Reports

      Volume: 5 Issue: 1

    • DOI

      10.1038/srep15533

    • Related Report
      2015 Annual Research Report
    • Peer Reviewed / Open Access / Acknowledgement Compliant
  • [Presentation] Capacitance-Variation Induced by Electron Spin Resonance in Organic Semiconductors2015

    • Author(s)
      K. Kanemoto and T. Nakajima
    • Organizer
      The 9th Japanese-Russian International Workshop on Open Shell Compounds and Molecular Spin Devices
    • Place of Presentation
      淡路夢舞台国際会議場(兵庫県淡路市)
    • Year and Date
      2015-11-08
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] 電子スピン共鳴によって誘起されるポリマーダイオードの電気容量変化2015

    • Author(s)
      中嶋敬幸, 鐘本勝一
    • Organizer
      日本物理学会2015年秋季大会
    • Place of Presentation
      関西大学(大阪府吹田市)
    • Year and Date
      2015-09-16
    • Related Report
      2015 Annual Research Report
  • [Presentation] Capacitance Variation Induced by Electron Spin Resonance in Organic Semiconductors.2015

    • Author(s)
      K. Kanemoto and T. Nakajima
    • Organizer
      3rd Awaji International Workshop on “Electron Spin Science & Technology
    • Place of Presentation
      淡路夢舞台国際会議場(兵庫県淡路市)
    • Year and Date
      2015-06-14
    • Related Report
      2015 Annual Research Report
    • Int'l Joint Research / Invited
  • [Presentation] ポリマーダイオードにおける電気容量の磁場効果2015

    • Author(s)
      中嶋 敬幸, 鐘本 勝一
    • Organizer
      第62回応用物理学会春季学術講演会
    • Place of Presentation
      東海大学湘南キャンパス(神奈川県平塚市)
    • Year and Date
      2015-03-11 – 2015-03-14
    • Related Report
      2014 Annual Research Report
  • [Presentation] Spin Pairs in Polymer Light Emitting Diodes Studied by Electrically and Electroluminescence Detected Magnetic Resonance Techniques2014

    • Author(s)
      K. Kanemoto and K. Kimura
    • Organizer
      5th International Meeting on Spin in Organic Semiconductors
    • Place of Presentation
      イーグレ姫路(兵庫県姫路市)
    • Year and Date
      2014-10-13 – 2014-10-17
    • Related Report
      2014 Annual Research Report
  • [Presentation] Displacement Current Induced by Electron Spin Resonance in Organic Semiconductor2014

    • Author(s)
      Katsuichi Kanemoto, Takayuki Nakajima
    • Organizer
      KJF-International Conference on Organic Materials for Electronics and Photonics
    • Place of Presentation
      つくば国際会議場(茨城県つくば市)
    • Year and Date
      2014-09-21 – 2014-09-24
    • Related Report
      2014 Annual Research Report
  • [Presentation] Dissociation of Spin Pairs in Polymer Light Emitting Diodes Revealed by Voltage-Dependent ODMR Signals2014

    • Author(s)
      K. Kanemoto
    • Organizer
      2nd Awaji International Workshop on “Electron Spin Science & Technology
    • Place of Presentation
      淡路夢舞台国際会議場(兵庫県淡路市)
    • Year and Date
      2014-06-15 – 2014-06-17
    • Related Report
      2014 Annual Research Report
    • Invited
  • [Presentation] A Displacement Current Induced by ESR for Organic Semiconductor Diodes2013

    • Author(s)
      K. Kanemoto
    • Organizer
      1st Awaji International Workshop on Electron Spin Science & Technology (AWEST)
    • Place of Presentation
      Awaji Yumebutai International Conference Center, 淡路島
    • Related Report
      2013 Annual Research Report
    • Invited
  • [Presentation] 電流検出ESRの印加電圧依存性からみたポリマーEL動作におけるスピンペアの役割2013

    • Author(s)
      木村圭吾、鐘本勝一
    • Organizer
      電子スピンサイエンス学会年会2013
    • Place of Presentation
      さいたま市大宮ソニック市民ホール
    • Related Report
      2013 Annual Research Report
  • [Presentation] Spin Pair States in Polymer Light Emitting Diodes2013

    • Author(s)
      K. Kanemoto and K. Kimura
    • Organizer
      The 7th Japanese-Russian International Workshop on Open Shell Compounds and Molecular Spin Devices, Awaji International Conference Center
    • Place of Presentation
      Awaji Yumebutai International Conference Center, 淡路島
    • Related Report
      2013 Annual Research Report
    • Invited

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Published: 2013-05-21   Modified: 2019-07-29  

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