Syntheses of multi-resonance frameworks towards narrowband organic light-emitting diodes

被引:1
|
作者
Zhang, Tong-Yuan [1 ]
Fan, Xiao-Chun [1 ]
Wang, Kai [1 ,2 ]
Zhang, Xiao-Hong [1 ,3 ]
机构
[1] Soochow Univ, Inst Funct Nano & Soft Mat FUNSOM, Suzhou 215123, Jiangsu, Peoples R China
[2] Soochow Univ, Jiangsu Key Lab Carbon Based Funct Mat & Devices, Suzhou 215123, Jiangsu, Peoples R China
[3] Soochow Univ, Jiangsu Key Lab Adv Negat Carbon Technol, Suzhou 215123, Jiangsu, Peoples R China
基金
中国国家自然科学基金; 中国博士后科学基金;
关键词
BORYLATION;
D O I
10.1039/d4cc05040a
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
Multi-resonance (MR)-type organic emitters are highly attractive in the field of organic light-emitting diodes because of their narrowband emission and thermally activated delayed fluorescence (TADF) properties. Compared with conventional TADF emitters, MR-featured emitters have more complex chemical structures and building logics. The core structures of MR emitters are MR frameworks, i.e., polyaromatic frameworks, precisely embedded with electron-donating and electron-withdrawing atoms/groups. Generally, electron-donating units can be easily introduced through the dedicated design of the precursors/intermediates, while integrating electron-withdrawing units is the key point and bottleneck for the synthesis of the MR framework. In this review, we briefly summarize the synthetic strategies of MR frameworks, focusing on the means of introducing various electron-withdrawing atoms/groups, which will aid the further exploration of MR-TADF emitters and their applications in OLEDs.
引用
收藏
页码:14168 / 14179
页数:12
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