Simultaneously promoting radiative decay and reverse intersystem crossing in spatially confined “X”-shaped TADF emitters via multiple through-space charge-transfer

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成果类型：

期刊论文

作者：

Wang, Jinshan;Niu, Yingde;Jiang, Yang;Yao, Chuang;Dai, Zhixin;...

通讯作者：

Wang, JS;Yao, C;Deng, YH

作者机构：

[Niu, Yingde; Wang, Jinshan; Jiang, Yang] Yancheng Inst Technol, Sch Mat Sci & Engn, Yancheng 224051, Peoples R China.

[Yao, Chuang; Jiang, Yang] Yangtze Normal Univ, Chongqing Key Lab Extraordinary Bond Engn & Adv Ma, Chongqing 408100, Peoples R China.

[Deng, Yanhong; Dai, Zhixin] Hengyang Normal Univ, Coll Phys & Elect Engn, Hengyang 421002, Peoples R China.

[Zhang, Jianfeng] Guangdong Univ Technol, Sch Integrated Circuits, Guangzhou 510006, Peoples R China.

通讯机构：

[Wang, JS ; Yao, C ] Y

[Deng, YH ] H

Yancheng Inst Technol, Sch Mat Sci & Engn, Yancheng 224051, Peoples R China.

Yangtze Normal Univ, Chongqing Key Lab Extraordinary Bond Engn & Adv Ma, Chongqing 408100, Peoples R China.

Hengyang Normal Univ, Coll Phys & Elect Engn, Hengyang 421002, Peoples R China.

语种：

英文

关键词：

Organic light-emitting diodes;Thermally activated delayed fluorescence;Through-space charge-transfer;Blue emitters

期刊：

Chemical Engineering Journal

ISSN：

1385-8947

年：

2025

卷：

524

页码：

169199

DOI：

10.1016/j.cej.2025.169199

基金类别：

National Natural Science Foundation of China [62505081]; Natural Science Foundation of Jiangsu Province [BK20160440]; Young Elite Scientists Sponsorship Program by Jiangsu Association for Science and Technology [JSTJ-2019-015]; Science and Technology Research Program of the Chongqing Education Commission of China [KJZD-K202201403]; Natural Science Foundation of Chongqing, China [CSTB2024NSCQ-MSX0850]

机构署名：

本校为通讯机构

院系归属：

物理与电子工程学院

摘要：

Constructing high-efficiency through-space charge-transfer (TSCT)-type thermally activated delayed fluorescence (TADF) blue emitters that simultaneously exhibit a high radiative decay rate ( k r s ) and a high reverse intersystem crossing rate ( k RISC ) remains a significant challenge. Herein, spatially confined “X”-shaped TSCT-TADF emitters are developed, which consist of planar 3,6-di-tert-butyl-9H-carbazole (tBuCz) donors, 2,4,6-triphenyl-1,3,5-triazine (for DTRZ-tBuCz) and 2,6-difluorobenzonitrile (for DFBN-tBuCz) acceptors, as well as p...

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Simultaneously promoting radiative decay and reverse intersystem crossing in spatially confined “X”-shaped TADF emitters via multiple through-space charge-transfer

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