Tunable Full-Color Electroluminescence from All-Organic Optical Upconversion Devices by Near-Infrared Sensing

Hiroki Tachibana, Naoya Aizawa, Yu Hidaka, Takuma Yasuda

    研究成果: ジャーナルへの寄稿学術誌査読

    58 被引用数 (Scopus)

    抄録

    Full-color all-organic optical upconversion devices that can directly convert incident near-infrared (NIR) light into tunable visible light were developed by integrating an organic light-emitting diode (OLED) on an NIR-sensitizing organic photodetector. Thermally activated delayed fluorescence (TADF) emitters were utilized for the first time in the upconversion devices for achieving high electroluminescence (EL) efficiency in the OLED unit and high overall upconversion efficiency. The emission color of upconversion EL can be varied across the entire visible region ranging from blue to red and white by judicious selection of the incorporating TADF emitters. These all-organic optical upconversion devices have a great potential for low-cost, large-area, pixelless NIR imaging applications.

    本文言語英語
    ページ(範囲)223-227
    ページ数5
    ジャーナルACS Photonics
    4
    2
    DOI
    出版ステータス出版済み - 2月 15 2017

    !!!All Science Journal Classification (ASJC) codes

    • 電子材料、光学材料、および磁性材料
    • バイオテクノロジー
    • 原子分子物理学および光学
    • 電子工学および電気工学

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