NDLI: Phenoxazine-Dibenzothiophene Sulfoximine Emitters Featuring Both Thermally Activated Delayed Fluorescence and Aggregation Induced Emission

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Phenoxazine-Dibenzothiophene Sulfoximine Emitters Featuring Both Thermally Activated Delayed Fluorescence and Aggregation Induced Emission

Content Provider	MDPI
Author	Yang, Yiyu Xiao, Ran Cao, Xiaosong Chen, Zhanxiang Lv, Xialei Zhang, Youming Gong, Shaolong Zou, Yang Yang, Chuluo
Copyright Year	2021
Description	In this work, we demonstrate dibenzothiophene sulfoximine derivatives as building blocks for constructing emitters featuring both thermally activated delayed fluorescent (TADF) and aggregation-induced emission (AIE) properties, with multiple advantages including high chemical and thermal stability, facile functionalization, as well as tunable electron-accepting ability. A series of phenoxazine-dibenzothiophene sulfoximine structured TADF emitters were successfully synthesized and their photophysical and electroluminescent properties were evaluated. The electroluminescence devices based on these emitters displayed diverse emissions from yellow to orange and reached external quantum efficiencies (EQEs) of 5.8% with 16.7% efficiency roll-off at a high brightness of 1000 $cd·m^{−2}$.
Starting Page	5243
e-ISSN	14203049
DOI	10.3390/molecules26175243
Journal	Molecules
Issue Number	17
Volume Number	26
Language	English
Publisher	MDPI
Publisher Date	2021-08-29
Access Restriction	Open
Subject Keyword	Molecules Organic Light-emitting Diodes Thermally Activated Delayed Fluorescence Color-managing Acceptor Aggregation Induced Emission
Content Type	Text
Resource Type	Article

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