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2010 Fiscal Year Self-evaluation Report

Elucidation of electronic structure and charge transport properties of organic thin films by controlling molecular packing structure

Research Project

  • PDF
Project/Area Number 20245039
Research Category

Grant-in-Aid for Scientific Research (A)

Allocation TypeSingle-year Grants
Section一般
Research Field Functional materials/Devices
Research InstitutionChiba University

Principal Investigator

UENO Nobuo  Chiba University, 大学院・融合科学研究科, 教授 (40111413)

Project Period (FY) 2008 – 2011
Keywords有機半導体 / 有機薄膜 / 電荷移動度 / 紫外光電子分光 / 電子状態 / バンドギャップ準位
Research Abstract

有機半導体の電荷輸送は電子状態と密接に関係しているが,膜構造の不完全性に起因する諸現象のため,電荷輸送に関する物質本来の姿が解明できない問題があった。本研究では,弱相互作用導体-有機半導体界面を利用して界面でのエネルギー準位接続の真の原因,電気伝導に関わる電荷移動度の機構,即ちバンド伝導とホッピング伝導を支配する物理量を実験的に求め,有機半導体の電子構造と電荷輸送物性の相互関係を明確にすることによって電荷移動度を電子論的に解明する。

  • Research Products

    (14 results)

All 2011 2010 2009 2008 Other

All Journal Article (6 results) (of which Peer Reviewed: 6 results) Presentation (6 results) Remarks (2 results)

  • [Journal Article] Dielectric properties of polar-phthalocyanine monolayer systems with repulsive dipole interaction2011

    • Author(s)
      H.Fukagawa, S.Hosoumi, H.Yamane, S.Kera, N.Ueno
    • Journal Title

      Phys.Rev.B 83

      Pages: 085304-1-8

    • Peer Reviewed
  • [Journal Article] Observation and analysis of small inclination of thymine molecules on graphite2011

    • Author(s)
      A.Habib T.Hosokail, N.Mitsuo, R.Nakagawa, S.Nagamatsu, M.Aoki, S.Masuda, S.Kera, N.Ueno
    • Journal Title

      J.Phys.Chem.C 115

      Pages: 511-515

    • Peer Reviewed
  • [Journal Article] Highest occupied molecular orbital band dispersion of rubrene single crystals as observed by angle-resolved ultraviolet photoelectron spectroscopy2010

    • Author(s)
      S.Machida, Y.Nakayama, S.Duhm, Q.Xin, A.Funakoshi, N.Ogawa, S.Kera, N.Ueno, H.Ishii
    • Journal Title

      Phys.Rev.Lett. 104

      Pages: 156401-1-4

    • Peer Reviewed
  • [Journal Article] Band gap states of copper phthalocyanine thin films induced by nitrogen exposure2010

    • Author(s)
      T.Sueyoshi, H.Kakuta, M.Ono, K.Sakamoto, S.Kera, N.Ueno
    • Journal Title

      Appl.Phys.Lett. 96

      Pages: 093303-1-3

    • Peer Reviewed
  • [Journal Article] Low-density band-gap states in pentacene thin films probed with ultrahigh-sensitivity ultraviolet photoelectron spectroscopy2009

    • Author(s)
      T.Sueyoshi, H.Fukagawa, M.Ono, S.Kera, N.Ueno
    • Journal Title

      Appl.Phys.Lett. 95

      Pages: 183303-1-3

    • Peer Reviewed
  • [Journal Article] Electron spectroscopy of functional organic thin films : Deep insights into valence electronic structure in relation to charge transport property2008

    • Author(s)
      N.Ueno, S.Kera
    • Journal Title

      Prog.Surf.Sci. 83

      Pages: 490-557

    • Peer Reviewed
  • [Presentation] Ultrahigh-sensitive detection of molecular orientation at surfaces with metastable atom electron spectroscopy2010

    • Author(s)
      N.Ueno
    • Organizer
      Practical Instrument and Analytical Technology in Nanostructure Characterization at NonoMedicine 2010
    • Place of Presentation
      Beijing(Invited)
    • Year and Date
      20101023-20101025
  • [Presentation] First-principles measurements of electrical conductivity in organic semiconductors by UPS : Direct measurements of charge delocalization, electron-phonon coupling and band-gap states2010

    • Author(s)
      N.Ueno, S.Kera
    • Organizer
      The 10th Japan-China Joint Symposium on Conduction and Photoconduction in Organic Solids and Related Phenomena
    • Place of Presentation
      Kyoto.
    • Year and Date
      20101017-20101020
  • [Presentation] Open a door to the mysteries at organic-device interfaces : Detection of ultralow density-of-states in the band gap2010

    • Author(s)
      N.Ueno
    • Organizer
      Symposium IRIS 1 : HYBRID SYSTEMS FOR OPTICS AND ELECTRONICS
    • Place of Presentation
      Berlin-Adlershof, Germany(Invited)
    • Year and Date
      20100713-20100714
  • [Presentation] 角肢分解光電子分光による有機半導体のバンド分散・電子/振動相互作用2010

    • Author(s)
      上野信雄
    • Organizer
      物理学会シンポジューム:「有機半導体界面における電子状態プローブの新展開」
    • Place of Presentation
      岡山大学(招待)
    • Year and Date
      2010-03-20
  • [Presentation] The first principles measurement of charge mobility of organic semiconductors with UPS2009

    • Author(s)
      N.Ueno
    • Organizer
      2009 MRS spring meeting, Symposium B on Concepts in Molecular and Organic Electronics
    • Place of Presentation
      San Francisco, USA.(Invited)
    • Year and Date
      20090413-20090417
  • [Presentation] On the way to First Principles Experiment of the hole mobility of organic semiconductors with ultraviolet photoelectron spectroscopy

    • Author(s)
      N.Ueno
    • Organizer
      The 8th International Conference on Optical Probes of Conjugated Polymers and Organic Nanostructures
    • Place of Presentation
      Beijing, China. Plenary lecture
    • Year and Date
      00000606-00000610
  • [Remarks] 千葉大学融合科学研究科グローバルCOEプログラムホームページ

    • URL

      http://www.gcoe.tf.chiba-u.jp/

  • [Remarks] 千葉大学 上野信雄研究室ホームページ

    • URL

      http://ulab-www.tf.chiba-u.jp/

URL: 

Published: 2012-02-13   Modified: 2016-04-21  

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