Evaluation of Electrical Properties of Merocyanine Films Doped with Acceptor Donor Molecules by Field Effect Measurements

被引用文献3件 参考文献16件
  • HIRAGA Koji
    the Department of Electrical and Electronics Engineering, Faculty of Engineering, Chiba University
  • IIZUKA Masaaki
    the Department of Electrical and Electronics Engineering, Faculty of Engineering, Chiba University
  • KUNIYOSHI Shigekazu
    the Department of Electrical and Electronics Engineering, Faculty of Engineering, Chiba University
  • KUDO Kazuhiro
    the Department of Electrical and Electronics Engineering, Faculty of Engineering, Chiba University
  • TANAKA Kuniaki
    the Department of Electrical and Electronics Engineering, Faculty of Engineering, Chiba University

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抄録

The doping effect of acceptor molecule tetracyanoquinodimethane(TCNQ)and donor molecule tetramethyltetraselenafulvalene(TMTSF)in an organic semiconductor was investigated by field effect measurements in merocyanine(MC)films. The electrical conductivity and carrier concentration of TCNQ-doped MC films were increased compared with those of undoped MC film. An efficient doping effect was observed at the doping concentration of approximately 9%. The electrical conductivity, on the other hand, was decreased by doping of the donor molecule TMTSF in MC film. However, no inversion of the conduction type was obtained. Furthermore, the transport mechanism of TCNQ-doped MC film and undoped film was elucidated from the temperature dependence of electrical parameters. These results demonstrate that TCNQ and TMTSF molecules act as acceptor and donor impurities in MC film, respectively, and the doping of these molecules is effective to control the electrical properties of organic semiconductors.

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詳細情報 詳細情報について

  • CRID
    1571698602270861440
  • NII論文ID
    110003220663
  • NII書誌ID
    AA10826283
  • ISSN
    09168524
  • 本文言語コード
    en
  • データソース種別
    • CiNii Articles

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