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2008 Fiscal Year Final Research Report

Research on operation mechanism of organic transistors investigated by in situ and real time measurement of electronic states and morphology

Research Project

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Project/Area Number 19360004
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Applied materials science/Crystal engineering
Research InstitutionThe University of Tokyo

Principal Investigator

SAIKI Koichiro  The University of Tokyo, 大学院・新領域創成科学研究科, 教授 (70143394)

Co-Investigator(Kenkyū-buntansha) IKEDA Susumu  東京大学, 大学院・新領域創成科学研究科, 助教 (20401234)
Project Period (FY) 2007 – 2008
Keywords有機トランジスタ / 移動度 / 薄膜成長 / 表面エネルギー / ペンタセン / フラレン / セキシチオフェン / 電子分光
Research Abstract

有機薄膜デバイスの特性向上のためには,実デバイス構造においてのトランジスタ特性と表面形態,表面電子状態の相関を解明することが重要である.われわれが開発した紫外光電子分光とトランジスタ特性を同時に測定することのできる装置を用いて有機トランジスタの電荷極性,電界効果移動度と,価電子状態を詳細に測定した結果,有機半導体のギャップ内における電極金属のフェルミ準位の位置により電荷極性および移動度が決まることがわかった.

  • Research Products

    (26 results)

All 2009 2008 2007 Other

All Journal Article (16 results) (of which Peer Reviewed: 16 results) Presentation (8 results) Book (1 results) Remarks (1 results)

  • [Journal Article] Thermally induced structural characteristics of pentacene thin films2009

    • Author(s)
      D. Guo, S. Ikeda, K. Saiki
    • Journal Title

      J.Appl.Phys. 105

      Pages: 113520

    • Peer Reviewed
  • [Journal Article] Fluorine-substitution of hexa-peri-hexabenzocoronene : Change in growth mode and electronic structure2009

    • Author(s)
      S. Entani, T. Kaji, S. Ikeda, T. Mori, Y. Kikuzawa, H. Takeuchi, K. Saiki
    • Journal Title

      J.Phys.Chem. C113

      Pages: 6202-6207

    • Peer Reviewed
  • [Journal Article] Origin of the ambipolar operation of a pentacene field-effect transistor fabricated on poly(vinyl alcohol)-coated Ta_2O_5 gate dielectric with Ausource/drain electrodes2009

    • Author(s)
      S. Takebayashi, S. Abe, K. Saiki, K. Ueno
    • Journal Title

      Appl.Phys.Lett. 94

      Pages: 083305

    • Peer Reviewed
  • [Journal Article] Alignment induced epitaxial transition in organic-organic heteroepitaxy2008

    • Author(s)
      D. Guo, K. Sakamoto, K. Miki, S. Ikeda, K. Saiki
    • Journal Title

      Phys.Rev.Lett. 101

      Pages: 236103

    • Peer Reviewed
  • [Journal Article] Step-bunched Bi-terminated Si(111) surfaces as a nanoscale orienation template for quasi single crystalline epitaxial growth of thin film phase pentacene2008

    • Author(s)
      T. Shimada, M. Ohtomo, T. Suzuki, T. Hasegawa, K. Ueno, S. Ikeda, K. Saiki, M. Sasaki, K. Inaba
    • Journal Title

      Appl.Phys.Lett. 93

      Pages: 223303

    • Peer Reviewed
  • [Journal Article] Nano-transfer of the polythiophene molecular alignment onto the step-bunched vicinal Si(111) substrate2008

    • Author(s)
      R. Onoki, G. Yoshikawa, Y. Tsuruma, S. Ikeda, K. Saiki, K. Ueno
    • Journal Title

      Langmuir 24

      Pages: 11605-11610

    • Peer Reviewed
  • [Journal Article] Origin of carrier types in intrinsic organic semiconductors2008

    • Author(s)
      T. Kaji, S. Entani, S. Ikeda, K. Saiki
    • Journal Title

      Adv.Mater. 20

      Pages: 2084-2089

    • Peer Reviewed
  • [Journal Article] Orientation controllable organic graphoepitaxy2008

    • Author(s)
      S. Ikeda, K. Saiki, Y. Wada, K. Inaba, Y. Ito, H. Kikuchi, K. Terashima, T. Shimada
    • Journal Title

      J.Appl.Phys. 103

      Pages: 084313

    • Peer Reviewed
  • [Journal Article] 有機半導体のグラフォエピタキシー2008

    • Author(s)
      池田進, 和田恭雄, 稲葉克彦, 寺嶋和夫, 島田敏宏, 斉木幸一朗
    • Journal Title

      日本結晶成長学会誌 35

      Pages: 243-248

    • Peer Reviewed
  • [Journal Article] Femtosecond depolarization dynamics of tris(8-hydroxyquinoline) aluminumfilms2008

    • Author(s)
      N. Ogawa, A. Miyata, H. Tamaru, T. Suzuki, T. Shimada, T. Hasegawa, K. Saiki, K. Miyano
    • Journal Title

      Chem.Phys.Lett. 450

      Pages: 335-339

    • Peer Reviewed
  • [Journal Article] Oriented film growth of organic semiconductor sexithiophene on artificial periodic grooves and electrical conduction properties of the films2008

    • Author(s)
      S. Ikeda, Y Wada, K. Inaba, K. Terashima, T. Shimada, K. Saiki
    • Journal Title

      Mater.Res.Soc.Symp.Proc. 1059

      Pages: KK11-11

    • Peer Reviewed
  • [Journal Article] Metal-induced Urbach tail at the gold/pentacene interface of top contact FET2007

    • Author(s)
      M. Ohtomo, T. Shimada, K. Saiki, T. Hasegawa
    • Journal Title

      J.Appl.Phys. 102

      Pages: 64510

    • Peer Reviewed
  • [Journal Article] Effect of the organic buffer Layer on the performance of a pentacene field effect transistor fabricated on a natural mica gate dielectric2007

    • Author(s)
      A. Matsumoto, R. Onoki, K. Saiki, S. Ikeda, K. Ueno
    • Journal Title

      Jpn.J.Appl.Phys. 46

      Pages: L913-L916

    • Peer Reviewed
  • [Journal Article] Electronic structure of octane on Cu (111) and Ni (111) studied by near edge X-ray absorption fine structure2007

    • Author(s)
      M. Kiguchi, S. Entani, S. Ikeda, G. Yoshikawa, I. Nakai, H. Kondoh, T. Ohta, K. Saiki
    • Journal Title

      Surf.Sci. 601

      Pages: 4074-4077

    • Peer Reviewed
  • [Journal Article] Low-leakage MIS structures with 1.5-6nm CaF2 insulating layer on Si (111)2007

    • Author(s)
      N. S. Sokolov, I. V. Grekhov, S. Ikeda, A. K. Kaveev, A. V. Krupin, K. Saiki, K. Tsutsui, S. E. Tyaginov, M. I.
    • Journal Title

      Vexler, Microele. Eng. 84

      Pages: 2247-2250

    • Peer Reviewed
  • [Journal Article] Analysis of charge transport in a polycrystalline pentacene TFT by temperature and gate bias dependent mobility and conductance2007

    • Author(s)
      D. Guo, T. Miyadera, S. Ikeda, T. Shimada, K. Saiki
    • Journal Title

      J.Appl.Phys. 102

      Pages: 23706

    • Peer Reviewed
  • [Presentation] α-sexithiophene のグラフォエピタキシー-細長グレインの成長-2009

    • Author(s)
      金森由男, 池田進, 筒井謙, 和田恭雄, 斉木幸一朗
    • Organizer
      第70回応用物理学会学術講演会
    • Place of Presentation
      富山
    • Year and Date
      2009-09-09
  • [Presentation] Control of organic film growth by physical and chemical modification of substrates2009

    • Author(s)
      K. Saiki
    • Organizer
      ISSP国際ワークショップ「界面パイ電子系における新現象と物理
    • Place of Presentation
      柏
    • Year and Date
      2009-08-12
  • [Presentation] Fabrication of Highly Orientated α-sexithiophene Grains on Artificially Patterned Substrates2009

    • Author(s)
      Y. Kanamori, S. Ikeda, Y. Wada, K. Saiki
    • Organizer
      ISSP国際ワークショップ「界面パイ電子系における新現象と物理」
    • Place of Presentation
      柏
    • Year and Date
      2009-08-10
  • [Presentation] ペンタセン薄膜初期成長時における核形成過程の解析2009

    • Author(s)
      山田拓, 霍間勇輝, 金森由男, 斉木幸一朗
    • Organizer
      第56回応用物理学関係連合講演会
    • Place of Presentation
      つくば
    • Year and Date
      2009-03-31
  • [Presentation] ペンタセンFETの周波数応答測定-電極SAMs処理の効果-2008

    • Author(s)
      金森由男, 坪井宏政, 斉木幸一朗
    • Organizer
      日本物理学秋季大会
    • Place of Presentation
      盛岡
    • Year and Date
      2008-09-19
  • [Presentation] ボトムコンタクトFETにおける電極-ペンタセン界面の接合形態と輸送特性2008

    • Author(s)
      霍間勇輝, 池田進, A. Al-Mahboob, 吉川元起, J. T. Sadowski, 藤川安仁, 櫻井利夫, 斉木幸一朗
    • Organizer
      日本物理学秋季大会
    • Place of Presentation
      盛岡
    • Year and Date
      2008-09-19
  • [Presentation] Na添加PVA塗布によるTa205ゲート基板上ペンタセンFETの低電圧両極動作2008

    • Author(s)
      武林聡子, 斉木幸一朗, 上野啓司
    • Organizer
      第69回応用物理学会学術講演会
    • Place of Presentation
      春日井
    • Year and Date
      2008-09-04
  • [Presentation] Oriented film growth of organic semiconductor sexithiophene on thermally oxidized silicon substrates with nanoscale artificial periodic grooves2007

    • Author(s)
      S. Ikeda, K Saiki, S. Ikeda, Y. Wada, K. Inaba, K. Terashima, T. Shimada, K Saiki
    • Organizer
      MRS fall meeting
    • Place of Presentation
      ボストン, 米国
    • Year and Date
      2007-11-29
  • [Book] 有機トランジスタ材料の評価と応用II (分担執筆), 第3編, 第3章, 光電子分光

    • Author(s)
      斉木幸一朗
    • Total Pages
      165-175
    • Publisher
      シーエムシー出版
  • [Remarks]

    • URL

      http://yukimuki.k.u-tokyo.ac.jp/jpf/saiki-cJ.html

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Published: 2011-06-18   Modified: 2016-04-21  

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