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Cover Picture: Red/Near‐Infrared Thermally Activated Delayed Fluorescence OLEDs with Near 100 % Internal Quantum Efficiency (Angew. Chem. Int. Ed. 41/2019)
Author(s) -
Chen JiaXiong,
Tao WenWen,
Chen WenCheng,
Xiao YaFang,
Wang Kai,
Cao Chen,
Yu Jia,
Li Shengliang,
Geng FengXia,
Adachi Chihaya,
Lee ChunSing,
Zhang XiaoHong
Publication year - 2019
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201910421
Subject(s) - oled , fluorescence , materials science , optoelectronics , infrared , diode , exciton , quantum efficiency , optics , nanotechnology , physics , layer (electronics) , quantum mechanics
Thermally activated delayed fluorescence (TADF) emitters have been studied thoroughly; however, the development of red/near‐infrared TADF emitters has lagged behind that of green and blue emitters. In their Research Article on page 14660 ff., K. Wang, C.‐S. Lee, X.‐H. Zhang, and co‐workers present two novel red TADF emitters. Organic light‐emitting diodes based on these emitters achieved near 100 % exciton utilization.