Two Boron Atoms Versus One: High-Performance Deep-Blue Multi-Resonance Thermally Activated Delayed Fluorescence Emitters

Chin-Yiu Chan,Subeesh Madayanad Suresh,Yi-Ting Lee,Youichi Tsuchiya,Tomas Matulaitis,David Hall,Alexandra M. Z. Slawin,Stuart Warriner,David Beljonne,Yoann Olivier,Chihaya Adachi,Eli Zysman-Colman

Chemical communications（2022）

引用 13|浏览20

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摘要

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 EQEmax of 14.8% and CIE coordinates of (0.150, 0.044), which are very close to the BT.2020 requirement for blue pixels.

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