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20% External Quantum Efficiency in Solution-Processed Blue Thermally Activated Delayed Fluorescent Devices

机译:溶液处理的蓝色热激活延迟荧光器件的外部量子效率为20%

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摘要

Highly efficient solution-processed blue thermally activated delayed fluorescent (TADF) devices are developed by designing soluble blue TADF emitters. The solubility and emission color could be managed by introducing F as an electron withdrawing unit instead of CN. Two soluble blue TADF emitters are synthesized and show a high external quantum efficiency of 20.0% with a color coordinate of (0.16,0.26), and it is the best quantum efficiency reported in solution-processed TADF devices. The device performances of the solution-processed blue TADF devices are comparable to those of vacuum-processed blue TADF devices.
机译:通过设计可溶性蓝色TADF发射器,开发出了高效的溶液处理蓝色热活化延迟荧光(TADF)器件。可以通过引入F代替CN作为电子吸收单元来管理溶解度和发射颜色。合成了两个可溶的蓝色TADF发射体,它们显示出20.0%的高外部量子效率,色坐标为(0.16,0.26),这是溶液处理TADF器件中报道的最佳量子效率。溶液处理的蓝色TADF器件的器件性能与真空处理的蓝色TADF器件的器件性能相当。

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  • 来源
    《Advanced Functional Materials》 |2015年第43期|6786-6792|共7页
  • 作者单位

    Dankook Univ, Dept Polymer Sci & Engn, Yongin 448701, Gyeonggi, South Korea;

    Dankook Univ, Dept Polymer Sci & Engn, Yongin 448701, Gyeonggi, South Korea;

    Sungkyunkwan Univ, Sch Chem Engn, Suwon 440746, Gyeonggi, South Korea;

    Sungkyunkwan Univ, Sch Chem Engn, Suwon 440746, Gyeonggi, South Korea;

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