cis-Quinacridone-Based Delayed Fluorescence Emitters: Seemingly Old but Renewed Functional Luminogens

Hyukgi Min, In Seob Park, Takuma Yasuda

    研究成果: ジャーナルへの寄稿学術誌査読

    68 被引用数 (Scopus)

    抄録

    Herein, we report a material design of linear cis-quinacridone (cis-QA) derivatives as delayed fluorescence luminogens. In contrast to the widely studied traditional trans-isomers, the functionality of cis-QA and its derivatives remains unexplored and unclarified. Through combined computational and experimental investigations, we revealed that cis-QA derivatives can function as fascinating narrowband deep-blue delayed fluorescence emitters for organic light-emitting diodes (OLEDs). The best-performing deep-blue OLEDs incorporating these cis-QA luminogens achieved high external electroluminescence quantum efficiencies of up to 19.0 % and high color purity with chromaticity coordinates of (0.13, 0.14).

    本文言語英語
    ページ(範囲)7643-7648
    ページ数6
    ジャーナルAngewandte Chemie - International Edition
    60
    14
    DOI
    出版ステータス出版済み - 3月 29 2021

    !!!All Science Journal Classification (ASJC) codes

    • 触媒
    • 化学一般

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