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Issue 15, 2020
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A simple and effective strategy to lock the quasi-equatorial conformation of acridine by H–H repulsion for highly efficient thermally activated delayed fluorescence emitters

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Abstract

A novel electron donor, namely, TMDBP is designed by angularly fusing two acridine moieties. The DMAC subunits in TMDBP exhibit a dominant quasi-equatorial conformation due to steric H–H repulsion. The new TADF emitters render excellent OLED performances with EQE up to 24.2% and small efficiency roll-off.

Graphical abstract: A simple and effective strategy to lock the quasi-equatorial conformation of acridine by H–H repulsion for highly efficient thermally activated delayed fluorescence emitters

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Article information


Submitted
16 Dec 2019
Accepted
07 Jan 2020
First published
07 Jan 2020

Chem. Commun., 2020,56, 2308-2311
Article type
Communication

A simple and effective strategy to lock the quasi-equatorial conformation of acridine by H–H repulsion for highly efficient thermally activated delayed fluorescence emitters

D. Chai, X. Zeng, X. Su, C. Zhou, Y. Zou, C. Zhong, S. Gong and C. Yang, Chem. Commun., 2020, 56, 2308
DOI: 10.1039/C9CC09769D

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