Bis(phenylsulfone) as a strong electron acceptor of thermally activated delayed fluorescent emitters

被引：8
|
作者：
Yang, Ji Won [1 ]
Choi, Jeong Min [1 ]
Lee, Jun Yeob [1 ]
机构：
[1] Sungkyunkwan Univ, Sch Chem Engn, 2066 Seobu Ro, Suwon 440746, Gyeonggi Do, South Korea
来源：
PHYSICAL CHEMISTRY CHEMICAL PHYSICS | 2016年 / 18卷 / 45期
基金：
新加坡国家研究基金会;
关键词：
LIGHT-EMITTING-DIODES; QUANTUM EFFICIENCY; BLUE; DESIGN; DEVICES; GREEN;
D O I：
10.1039/c6cp06308j
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Bis(phenylsulfone) was developed as a strong electron acceptor of thermally activated delayed fluorescent emitters. The connection of two electron withdrawing phenylsulfone moieties through meta-position of phenyl produced the bis(phenylsulfone) acceptor and the strong electron acceptor strength of bis(phenylsulfone) enabled preparation of sky-blue and green thermally activated delayed fluorescent emitters in combination with weak carbazole donors. The bis(phenylsulfone) acceptor and carbazole donor combined organic materials performed as thermally activated delayed fluorescent emitters with a high quantum efficiency of 18.3%.
引用
收藏
页码：31330 / 31336
页数：7
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