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2008 Fiscal Year Final Research Report

Photon Emission accompanied by the Local Chemical Reaction

Research Project

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Project/Area Number 18360024
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Thin film/Surface and interfacial physical properties
Research InstitutionOsaka University

Principal Investigator

KUWAHARA Yuji  Osaka University, 大学院・工学研究科, 教授 (00283721)

Co-Investigator(Kenkyū-buntansha) SAITO Akira  大阪大学, 大学院・工学研究科, 准教授 (90294024)
AKAI Megumi  大阪大学, 大学院・工学研究科, 助教 (50437373)
Project Period (FY) 2006 – 2008
Keywordsトンネル現象 / 表面・界面物性 / 量子細線 / 有機導体
Research Abstract

分子発光のプラズモン増強効果を利用して金属フタロシアニン分子からのトンネル電流誘起発光分析を行った。その結果、Cuフタロシアンでは、過去に報告されていない蛍光を実験的に始めて観測し、プラズモン増強の効果を実証した。また、見かけ上エネルギー保存則を満たさない発光を捕らえるという不思議な現象を確認した。この解釈として、3重項-3重項消滅による複数分子間でのエネルギー異動機構を導入した。一方、金微粒子を含んだ有機EL素子を構築したところ、金微粒子なしの場合に比べて5~80倍の発光強度増加を確認した

  • Research Products

    (21 results)

All 2010 2009 2008 2007 2006

All Journal Article (7 results) Presentation (14 results)

  • [Journal Article] Spatially-resolved detection of plasmon-enhanced fluorescence using scanning tunneling microscopy2008

    • Author(s)
      T. Uemura, M. Akai-Kasaya, A. Saito, M. Aono, Y. Kuwahara
    • Journal Title

      Surface and Interface Analysis 40

      Pages: 1050-1053

  • [Journal Article] Polymerization Direction Controlled Growth of Polydiacetylene on Artificial Silicon Oxide Templates2008

    • Author(s)
      Megumi Akai-Kasaya, Kayo Yura, Yuichi Higuch, Akihito Yoshida, Akira Saito, Masakazu Aono, Yuji Kuwahara
    • Journal Title

      Surf. Interface Anal 40

      Pages: 1037-1041

  • [Journal Article] High-mobility organic single crystal transistors with submicrometer channels2008

    • Author(s)
      T. Kawanishi, T.Fujiwara, M. Akai-Kasaya, A. Saito, M. Aono, J. Takeya, and Y. Kuwahara
    • Journal Title

      Appl. Phys. Lett 93

      Pages: 023303-023305

  • [Journal Article] Reversibility-Controlled Single Molecular Lvel Chemical Reaction in a C60 Monolayer via Iomozation Induced by Scanning Transmission Microscopy2008

    • Author(s)
      Masato Nakaya, Yuji Kuwahara, Masakazu Aono, and Tomonobu Nakayama
    • Journal Title

      small 4, No.5

      Pages: 538-541

  • [Journal Article] Local-Plasmon-Enhanced Up-Conversion Fluorescence from Copper Phthalocyanine2007

    • Author(s)
      T. Uemura, M. Furumoto, T. Nakano. M. Akai-Kasaya, A. Saito, M. Aono, Y. Kuwahara
    • Journal Title

      Chemical Physics Letters 448

      Pages: 232-236

  • [Journal Article] Tunneling-Current-Induced Light Emission from Copper Phthalocyanine Thin Films2006

    • Author(s)
      T. Uemura, M. Furumoto, T. Nakano, M. Akai-Kasaya, M. Aono, A. Saito and Y. Kuwahara
    • Journal Title

      e-Journal of Surface Science and Nanotechnology Vol.4

      Pages: 559-562

  • [Journal Article] Fabrication of Nanostructures by Selective Growth of C60 and Si on Si(001)Substrate2006

    • Author(s)
      M. Nakaya, T. Nakayama, Y. Kuwahara, M. Aono
    • Journal Title

      Surface Science 600

      Pages: 2810-2816

  • [Presentation] Fabrication of Molecular Nanosystems and their Function Control2010

    • Author(s)
      Y. Kuwahara
    • Organizer
      First International Symposium on Atomically Controlled Fabrication Technology-Surface and Thin Film Processing-
    • Place of Presentation
      Icho-Kaikan, Osaka University, Japan
    • Year and Date
      20100216-17
  • [Presentation] 機能創発のためのナノデバイス構築2009

    • Author(s)
      桑原裕司
    • Organizer
      創発化学4班研究会千里ライフサイエンスセンター
    • Year and Date
      20090322-23
  • [Presentation] Surface-Plasmon-Enhanced Fluorescence in Electroluminescene Device2009

    • Author(s)
      A. Fujiki
    • Organizer
      First International Symposium on Atomically Controlled Fabrication Technology-Surface and Thin Film Processing-
    • Place of Presentation
      Icho-Kaikan, Osaka University, Japan
    • Year and Date
      20090216-17
  • [Presentation] Metal transition of one-dimensional polymer nanowire2008

    • Author(s)
      M. Akai-Kasaya
    • Organizer
      International Workshop on Superconductivity in Diamond and Related Materials Tsukuba
    • Place of Presentation
      Japan
    • Year and Date
      20080707-09
  • [Presentation] ナノギャップ平坦電極を用いた有機デバイスの機能評価2007

    • Author(s)
      桑原裕司
    • Organizer
      秋季第68回応用物理学会学術講演会
    • Place of Presentation
      北海道工業大学
    • Year and Date
      20070904-08
  • [Presentation] 有機薄膜及び細線の電導度制御とそのデバイスへの応用2007

    • Author(s)
      桑原裕司
    • Organizer
      関西薄膜・表面物理セミナー
    • Place of Presentation
      グリーンビレッジ交野
    • Year and Date
      2007-11-30
  • [Presentation] Electrical Transport through Polydiacetylene Wires Using Nanogap Flat Electrodes2006

    • Author(s)
      M. Akai-Kasaya
    • Organizer
      14th International Colloquium on Scanning Probe Microscopy
    • Place of Presentation
      Shizuoka, Japan
    • Year and Date
      20061207-09
  • [Presentation] フラット電極を用いたポリジアセチレン分子デバイスの開発2006

    • Author(s)
      赤井恵
    • Organizer
      2006年関西薄膜・表面物理セミナー立命館大学びわこ・くさつキャンパス
    • Place of Presentation
      滋賀県草津市
    • Year and Date
      20061201-02
  • [Presentation] Electron Transport Property in Organic Molecular Wires2006

    • Author(s)
      Y. Kuwahara
    • Organizer
      Handai Nanoscience and Nanotechnology International Symposium 2006
    • Place of Presentation
      Osaka, Japan
    • Year and Date
      20061120-22
  • [Presentation] Development of Noble Methods for Nanoscale Functional Analysis2006

    • Author(s)
      Y. Kuwahara
    • Organizer
      International 21st Century COE Symposium on Atomistic Fabrication Technology
    • Place of Presentation
      Osaka, Japan
    • Year and Date
      20061019-20
  • [Presentation] CONTROL OF ELECTRON TRANSPORT PROPERTY IN A POLYDIASETYLENE MOLECULAR WIRE2006

    • Author(s)
      Y. Kuwahara
    • Organizer
      4th International Workshop on NanoscaleSpectroscopy and Nanotechnology, Rathen
    • Place of Presentation
      Germany
    • Year and Date
      20060917-21
  • [Presentation] Electron Transport Property in Organic Molecular Wires2006

    • Author(s)
      Y. Kuwahara
    • Organizer
      TNT2006 "Trends in Nanotechnology" Grenoble
    • Place of Presentation
      France
    • Year and Date
      20060903-08
  • [Presentation] Electrical Transport through Polydiacetylene Wires Using Nanogap Flat Electrodes2006

    • Author(s)
      M. Akai-Kasaya
    • Organizer
      International Conference on Nanoscience and Technology, NANO9 and STM'06
    • Place of Presentation
      Basel Switzerland
    • Year and Date
      20060730-0904
  • [Presentation] 一次元有機分子鎖の電気・電子物性とその機能制御2006

    • Author(s)
      桑原裕司
    • Organizer
      物性研究所短期研究会「有機物質のナノ電気特性」
    • Place of Presentation
      東京大学物性研究所
    • Year and Date
      20060424-26

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Published: 2010-06-10   Modified: 2016-04-21  

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