Issue 28, 2022
From the journal:

Journal of Materials Chemistry C

A dual rigid donor and acceptor enabling red thermally activated delayed fluorescence emitters for efficient OLEDs with low efficiency roll-off†

Jinming Fan,ab   Jingsheng Miao,a   Nengquan Li, ORCID logo a   Yitong Zeng,a   Changqing Ye,c   Xiaojun Yin ORCID logo *a  and  Chuluo Yang ORCID logo a  

* Corresponding authors

a Shenzhen Key Laboratory of New Information Display and Storage Materials, College of Materials Science and Engineering, Shenzhen University, Shenzhen, People's Republic of China
E-mail: xiaojunyin@szu.edu.cn

b College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen, People's Republic of China

c Suzhou Key Laboratory of Flexible & Printing Optoelectronic Materials, School of Materials Science and Engineering, Suzhou University of Science and Technology, Suzhou, China

Abstract

Two new red TADF emitters with the integration of dual rigid donors and acceptors are elaborately designed. Electroluminescent devices employing them as emitting layers achieve a high external quantum efficiency (EQE) of approximately 20% at 621 nm, and low efficiency roll-off ratios of only 8% at 1000 cd m−2.

Graphical abstract: A dual rigid donor and acceptor enabling red thermally activated delayed fluorescence emitters for efficient OLEDs with low efficiency roll-off

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Article information

DOI
https://doi.org/10.1039/D2TC02146C
Article type
Communication
Submitted
24 May 2022
Accepted
01 Jul 2022
First published
04 Jul 2022

J. Mater. Chem. C, 2022,10, 10255-10261

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A dual rigid donor and acceptor enabling red thermally activated delayed fluorescence emitters for efficient OLEDs with low efficiency roll-off

J. Fan, J. Miao, N. Li, Y. Zeng, C. Ye, X. Yin and C. Yang, J. Mater. Chem. C, 2022, 10, 10255 DOI: 10.1039/D2TC02146C

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