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Phthalocyanine Composites as High-Mobility Semiconductors for Organic Thin-Film Transistors

Authors

  • J. Zhang,

    1. State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, The Chinese Academy of Sciences, 5625 Renmin St., Changchun 130022, P. R. China
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  • H. Wang,

    1. State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, The Chinese Academy of Sciences, 5625 Renmin St., Changchun 130022, P. R. China
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  • X. Yan,

    1. State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, The Chinese Academy of Sciences, 5625 Renmin St., Changchun 130022, P. R. China
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  • J. Wang,

    1. State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, The Chinese Academy of Sciences, 5625 Renmin St., Changchun 130022, P. R. China
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  • J. Shi,

    1. State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, The Chinese Academy of Sciences, 5625 Renmin St., Changchun 130022, P. R. China
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  • D. Yan

    1. State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute of Applied Chemistry, The Chinese Academy of Sciences, 5625 Renmin St., Changchun 130022, P. R. China
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  • Financial support by the National Science Foundation of China (90301008, 20025413, 20474064) and the Special Funds for Major State Basic Research Projects (2002CB613404) is gratefully acknowledged.

Abstract

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A new class of organic semiconductors based on composites of copper phthalocyanine and nickel phthalocyanine for use in organic thin-film transistors show relatively high mobilities. X-ray diffraction of the composite films, which consist of homogenously sized crystals (see Figure), indicates the presence of a new crystalline phase incorporating both copper and nickel phthalocyanine molecules.

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