Issue 17, 2023

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

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

Supplementary files

Article information

Article type
Communication
Submitted
27 ربيع الثاني 1444
Accepted
04 رجب 1444
First published
04 رجب 1444

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

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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