两个硼原子之一：高性能深蓝色多共振热激活延迟荧光发射体。
Two boron atoms one: high-performance deep-blue multi-resonance thermally activated delayed fluorescence emitters.
作者信息
Chan Chin-Yiu, Madayanad Suresh Subeesh, Lee Yi-Ting, Tsuchiya Youichi, Matulaitis Tomas, Hall David, Slawin Alexandra M Z, Warriner Stuart, Beljonne David, Olivier Yoann, Adachi Chihaya, Zysman-Colman Eli
机构信息
Center for Organic Photonics and Electronics Research (OPERA), Kyushu University, Motooka, Nishi, Fukuoka 819-0395, Japan.
Organic Semiconductor Centre, EaStCHEM School of Chemistry, University of St Andrews, St Andrews, KY16 9ST, UK.
出版信息
Chem Commun (Camb). 2022 Aug 18;58(67):9377-9380. doi: 10.1039/d2cc03347j.
Two new deep-blue narrowband multi-resonant emitters, 1B-DTACrs and 2B-DTACrs, one of which shows thermally activated delayed fluorescence (TADF), based on boron, nitrogen, and oxygen doped nanographenes are reported. Devices based on 2B-DTACrs showed an EQE of 14.8% and CIE coordinates of (0.150, 0.044), which are very close to the BT.2020 requirement for blue pixels.
报道了两种新型深蓝色窄带多共振发射体，1B-DTACr和2B-DTACr，其中一种基于硼、氮和氧掺杂的纳米石墨烯表现出热激活延迟荧光（TADF）。基于2B-DTACr的器件显示出14.8%的外量子效率（EQE）和（0.150, 0.044）的CIE坐标，这非常接近BT.2020对蓝色像素的要求。
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