Issue 11, 2016

Creating a thermally activated delayed fluorescence channel in a single polymer system to enhance exciton utilization efficiency for bluish-green electroluminescence

Abstract

We designed and synthesized a single polymer with TADF characteristics by grafting the TADF emitter, 10-(4-(5-phenyl-1,3,4-oxadiazol-2-yl)phenyl)-10H-phenoxazine, onto the side chain of the polymer backbone of polycarbazole. Employing these copolymers as emitting layers, an efficient bluish-green polymer LED with a maximum external quantum efficiency of 4.3% was achieved, corresponding to a high exciton utilization efficiency (EUE) of 63.7%.

Graphical abstract: Creating a thermally activated delayed fluorescence channel in a single polymer system to enhance exciton utilization efficiency for bluish-green electroluminescence

Supplementary files

Article information

Article type
Communication
Submitted
27 Nov 2015
Accepted
15 Dec 2015
First published
04 Jan 2016

Chem. Commun., 2016,52, 2292-2295

Creating a thermally activated delayed fluorescence channel in a single polymer system to enhance exciton utilization efficiency for bluish-green electroluminescence

J. Luo, G. Xie, S. Gong, T. Chen and C. Yang, Chem. Commun., 2016, 52, 2292 DOI: 10.1039/C5CC09797E

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