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Advanced Materials

Current-Injected Spectrally-Narrowed Emissions from an Organic Transistor

Authors

  • Takeshi Yamao,

    1. Department of Macromolecular Science and Engineering, Graduate School of Science and Technology, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606–8585 (Japan)
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  • Yoichi Sakurai,

    1. Department of Macromolecular Science and Engineering, Graduate School of Science and Technology, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606–8585 (Japan)
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  • Kohei Terasaki,

    1. Department of Macromolecular Science and Engineering, Graduate School of Science and Technology, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606–8585 (Japan)
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  • Yasuhiro Shimizu,

    1. Department of Macromolecular Science and Engineering, Graduate School of Science and Technology, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606–8585 (Japan)
    Current affiliation:
    1. Present address: Materials Engineering Division, Daihatsu Motor Co., Ltd., 1–17-18 Koda, Ikeda, Osaka 563–0043 (Japan)
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  • Hiroshi Jinnai,

    1. Department of Macromolecular Science and Engineering, Graduate School of Science and Technology, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606–8585 (Japan)
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  • Shu Hotta

    Corresponding author
    1. Department of Macromolecular Science and Engineering, Graduate School of Science and Technology, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606–8585 (Japan)
    • Department of Macromolecular Science and Engineering, Graduate School of Science and Technology, Kyoto Institute of Technology, Matsugasaki, Sakyo-ku, Kyoto 606–8585 (Japan).
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Abstract

A novel organic LEFET device with a simple device constitution is presented. The device is equipped with a diffraction grating that is formed on the gate insulator so that it is located outside the channel region. When the device is operated with square-wave alternating gate voltages, the spectrally-narrowed emissions are definitively observed with FWHM ∼2 nm.

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