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Controlled Self-Assembly of Organic Semiconductors for Solution-Based Fabrication of Organic Field-Effect Transistors

Authors

  • Takeo Minari,

    Corresponding author
    1. International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), Tsukuba, Ibaraki 305-0044, Japan, RIKEN Wako, Saitama 351-0198, Japan
    • International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), Tsukuba, Ibaraki 305-0044, Japan, RIKEN Wako, Saitama 351-0198, Japan
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  • Chuan Liu,

    1. International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), Tsukuba, Ibaraki 305-0044, Japan
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  • Masataka Kano,

    1. Dai Nippon Printing Co., Ltd. Kashiwa, Chiba 277-0871, Japan
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  • Kazuhito Tsukagoshi

    Corresponding author
    1. International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), Tsukuba, Ibaraki 305-0044, Japan, Core Research for Evolutional Science and Technology (CREST) Japan, Science and Technology Agency (JST) Kawaguchi, Saitama 332-0012, Japan
    • International Center for Materials Nanoarchitectonics (MANA), National Institute for Materials Science (NIMS), Tsukuba, Ibaraki 305-0044, Japan, Core Research for Evolutional Science and Technology (CREST) Japan, Science and Technology Agency (JST) Kawaguchi, Saitama 332-0012, Japan.
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Abstract

The solubility and low processing temperatures of organic semiconductors enable fabrication of electronic devices using relatively simple printing technologies, and hold promise for realizing flexible plastic devices by environment-friendly production methods at low cost. In particular, by effectively using the self-assembling ability of molecules, production methods for organic semiconductor devices are expected to become more efficient in terms of energy and material consumption. We have developed two solution-based methods for self-organized formation of organic semiconductor crystals, including area selective nucleation of crystalline semiconductor films and direct formation of organic single crystals. These bottom-up methods of device fabrication, wherein the intrinsic functionalities of molecules are utilized for spontaneous assembly, may become a core technology for future plastic electronics.

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