Published in
Royal Society of Chemistry, Chemical Science, 4(12), p. 1495-1502, 2021
DOI: 10.1039/d0sc05631f
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Using Fluorene to Lock Electronically Active Moieties in Thermally Activated Delayed Fluorescence Emitters for High-Performance Non-doped Organic Light-Emitting Diodes with Suppressed Roll-off
Journal article published in 2021 by
Lin Wu,
Kai Wang 
,
Cheng Wang,
Xiao-Chun Fan,
Yi-Zhong Shi ,
Xiang Zhang,
Shao-Li Zhang,
Jun Ye ,
Caijun Zheng ,
Yanqing Li ,
Jia Yu,
Xuemei Ou,
Xiaohong Zhang
,
Cheng Wang,
Xiao-Chun Fan,
Yi-Zhong Shi ,
Xiang Zhang,
Shao-Li Zhang,
Jun Ye ,
Caijun Zheng ,
Yanqing Li ,
Jia Yu,
Xuemei Ou,
Xiaohong Zhang
This paper is made freely available by the publisher.
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Abstract
Two TADF emitters were developed by modifying a reported less successful emitter BP-DPAC with fluorene to suppress concentration quenching. Their non-doped OLEDs displayed excellent EQEs of 22.8% and 21.3% with well-suppressed roll-off.