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Interface optimization using diindenoperylene for C60 thin film transistors with high electron mobility and stability

  • Jin Peng Yang
  • , Qi Jun Sun
  • , Keiichirou Yonezawa
  • , Alexander Hinderhofer
  • , Alexander Gerlach
  • , Katharina Broch
  • , Fabio Bussolotti
  • , Xu Gao
  • , Yanqing Li
  • , Jianxin Tang
  • , Frank Schreiber
  • , Nobuo Ueno
  • , Sui Dong Wang*
  • , Satoshi Kera
  • *此作品的通讯作者
  • Chiba University
  • Soochow University
  • University of Tübingen
  • National Institutes of Natural Sciences - Institute for Molecular Science

科研成果: 期刊稿件文章同行评审

摘要

C60-based organic thin film transistors (OTFTs) with high electron mobility and high operational stability are achieved with (1 1 1) oriented C60 films grown by using template effects of diindenoperylene (DIP) under layer on the SiO2 gate insulator. The electron mobility of the C60 transistor is significantly increased from 0.21 cm2 V-1 s-1 to 2.92 cm2 V-1 s-1 by inserting the template-DIP layer. Moreover much higher operational stability is also observed for the DIP-template C 60 OTFTs. A grazing incidence X-ray diffraction and ultrahigh-sensitivity photoelectron spectroscopy measurements indicate that the improved electron mobility and stability arise from the decreased density of trap states in the C60 film due to increased (1 1 1) orientation of C60-grains and their crystallinity on the DIP template.

源语言英语
页(从-至)2749-2755
页数7
期刊Organic Electronics
15
11
DOI
出版状态已出版 - 11月 2014
已对外发布

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