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High-performance organic transistors with high-k dielectrics: A comparative study on solution-processed single crystals and vacuum-deposited polycrystalline films of 2,9-didecyl-dinaphtho[2,3-b:2′,3′-f] thieno[3,2-b]thiophene

  • W. Ou-Yang*
  • , T. Uemura
  • , K. Miyake
  • , S. Onish
  • , T. Kato
  • , M. Katayama
  • , M. Kang
  • , K. Takimiya
  • , M. Ikeda
  • , H. Kuwabara
  • , M. Hamada
  • , J. Takeya
  • *此作品的通讯作者
  • The University of Osaka
  • DENSO Corporation
  • Hiroshima University
  • Nippon Kayaku Co., Ltd.

科研成果: 期刊稿件文章同行评审

摘要

High carrier-mobility organic field-effect transistors are developed employing high-k gate dielectrics so that unprecedentedly high transconductance is realized. 2,9-didecyl-dinaphtho[2,3-b:2′,3′-f]thieno[3,2-b] thiophene (C 10-DNTT) solution-crystallized films are coated on hybrid gate insulators of silane self-assembled monolayers and high-k Al2 O 3 formed by atomic-layer-deposition. Intrinsically high carrier mobility exceeding 10 cm2/ Vs in the crystalline C10-DNTT is preserved even on the high-k gate insulators because of suppressed coupling of the field-induced carriers to the polarization of the dielectrics.

源语言英语
文章编号223304
期刊Applied Physics Letters
101
22
DOI
出版状态已出版 - 26 11月 2012
已对外发布

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