Gradual improvements of charge carrier mobility at ionic liquid/rubrene single crystal interfaces

DOI PDF 被引用文献11件 参考文献37件 オープンアクセス
  • Yasuyuki Yokota
    Osaka University 1 Department of Materials Engineering Science, Graduate School of Engineering Science, , 1-3 Machikaneyama, Toyonaka, Osaka 560-8531, Japan
  • Hisaya Hara
    Osaka University 1 Department of Materials Engineering Science, Graduate School of Engineering Science, , 1-3 Machikaneyama, Toyonaka, Osaka 560-8531, Japan
  • Yusuke Morino
    Osaka University 1 Department of Materials Engineering Science, Graduate School of Engineering Science, , 1-3 Machikaneyama, Toyonaka, Osaka 560-8531, Japan
  • Ken-ichi Bando
    Osaka University 1 Department of Materials Engineering Science, Graduate School of Engineering Science, , 1-3 Machikaneyama, Toyonaka, Osaka 560-8531, Japan
  • Sakurako Ono
    Osaka University 1 Department of Materials Engineering Science, Graduate School of Engineering Science, , 1-3 Machikaneyama, Toyonaka, Osaka 560-8531, Japan
  • Akihito Imanishi
    Osaka University 1 Department of Materials Engineering Science, Graduate School of Engineering Science, , 1-3 Machikaneyama, Toyonaka, Osaka 560-8531, Japan
  • Yugo Okada
    The University of Tokyo 2 Department of Advanced Materials Science, Graduate School of Frontier Sciences, , 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8561, Japan
  • Hiroyuki Matsui
    The University of Tokyo 2 Department of Advanced Materials Science, Graduate School of Frontier Sciences, , 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8561, Japan
  • Takafumi Uemura
    The University of Tokyo 2 Department of Advanced Materials Science, Graduate School of Frontier Sciences, , 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8561, Japan
  • Jun Takeya
    The University of Tokyo 2 Department of Advanced Materials Science, Graduate School of Frontier Sciences, , 5-1-5 Kashiwanoha, Kashiwa, Chiba 277-8561, Japan
  • Ken-ichi Fukui
    Osaka University 1 Department of Materials Engineering Science, Graduate School of Engineering Science, , 1-3 Machikaneyama, Toyonaka, Osaka 560-8531, Japan

書誌事項

公開日
2016-02-22
資源種別
journal article
DOI
  • 10.1063/1.4942676
公開者
AIP Publishing

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説明

<jats:p>We report evolution of electric characteristics of an electric double layer field-effect transistor based on the ionic liquid/rubrene single crystal interfaces. In contrast to usual devices, the field effect mobility was found to gradually increase with time for a day, followed by minor long-term fluctuations. Although the details of the evolution were somewhat device dependent, the final values of the mobility turned out to be 3–4 times larger irrespective of the initial values. These observations are explained by the evolution of the flat interface by defect-induced spontaneous dissolution of rubrene molecules at the ionic liquid/rubrene single crystal interfaces, revealed by frequency modulation atomic force microscopy.</jats:p>

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