Issue 17, 2023
From the journal:

Chemical Communications

An indolo[3,2,1-jk]carbazole-fused multiple resonance-induced thermally activated delayed fluorescence emitter for an efficient narrowband OLED†

Xu-Feng Luo,ac   Hua-Xiu Ni,c   Liangjun Shen,a   Lejia Wang,a   Xunwen Xiao ORCID logo a  and  You-Xuan Zheng ORCID logo *bc  

* Corresponding authors

a College of Material Science and Chemical Engineering, Ningbo University of Technology, Ningbo 315211, P. R. China

b Shenzhen Research Institute of Nanjing University, Shenzhen 518057, P. R. China
E-mail: yxzheng@nju.edu.cn

c State Key Laboratory of Coordination Chemistry, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, P. R. China

Abstract

By inserting a tricoordinate B atom into an indolo[3,2,1-jk]carbazole precursor, an efficient fused multiple resonance-induced thermally activated delayed fluorescence emitter was prepared, which exhibits a narrowband emission and a considerable reverse intersystem crossing rate. The corresponding organic light-emitting diode displays an external quantum efficiency of 27.2% with a suppressed efficiency roll-off.

Graphical abstract: An indolo[3,2,1-jk]carbazole-fused multiple resonance-induced thermally activated delayed fluorescence emitter for an efficient narrowband OLED

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Article information

DOI
https://doi.org/10.1039/D2CC06280A
Article type
Communication
Submitted
27 ربيع الثاني 1444
Accepted
04 رجب 1444
First published
04 رجب 1444

Chem. Commun., 2023,59, 2489-2492

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An indolo[3,2,1-jk]carbazole-fused multiple resonance-induced thermally activated delayed fluorescence emitter for an efficient narrowband OLED

X. Luo, H. Ni, L. Shen, L. Wang, X. Xiao and Y. Zheng, Chem. Commun., 2023, 59, 2489 DOI: 10.1039/D2CC06280A

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