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Issue 20, 2020
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Superacid-catalyzed Friedel–Crafts polyhydroxyalkylation: a straightforward method to construct sky-blue thermally activated delayed fluorescence polymers

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Abstract

Despite the rapid development of thermally activated delayed fluorescence (TADF) polymers for solution-processed electroluminescence devices, there still exists a great demand on the exploitation of efficient blue TADF polymers. Herein, we designed and synthesized a series of sky-blue TADF polymers via simple and metal-free superacid-catalyzed Friedel–Crafts polyhydroxyalkylation. All of these TADF polymers successfully inherited the features of TADF moieties embedded into the backbone. By utilizing these polymers as the emitting layers, solution-processed polymer light emitting diodes (PLEDs) achieved good performance with the maximum external quantum efficiency of 5.4%.

Graphical abstract: Superacid-catalyzed Friedel–Crafts polyhydroxyalkylation: a straightforward method to construct sky-blue thermally activated delayed fluorescence polymers

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Supplementary files

Article information


Submitted
31 Mar 2020
Accepted
22 Apr 2020
First published
12 May 2020

Polym. Chem., 2020,11, 3481-3487
Article type
Paper

Superacid-catalyzed Friedel–Crafts polyhydroxyalkylation: a straightforward method to construct sky-blue thermally activated delayed fluorescence polymers

X. Zhou, M. Huang, X. Zeng, C. Zhong, G. Xie, X. Cao, C. Yang and C. Yang, Polym. Chem., 2020, 11, 3481
DOI: 10.1039/D0PY00469C

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