Expanding the hole delocalization range in excited molecules for stable organic light-emitting diodes employing thermally activated delayed fluorescence-Reference-Cited by-同舟云学术

Expanding the hole delocalization range in excited molecules for stable organic light-emitting diodes employing thermally activated delayed fluorescence

Published:2020 Issue:29 Volume:8 Page:10021-10030
ISSN:2050-7526
Container-title:Journal of Materials Chemistry C
language:en
Short-container-title:J. Mater. Chem. C

Author:

Zheng Xinyuan¹²³⁴⁵,Cao Fangyi¹²³⁴⁵,Wang Chao⁶⁷,Tsuboi Taiju¹²³⁴⁵,Zhu Yunhui¹²³⁴⁵,Ai Qi⁸⁹¹⁰¹¹¹²,Deng Chao¹²³⁴⁵,Wang Dan¹²³⁴⁵,Su Liwu¹²³⁴⁵,Liu Zhang¹²³⁴⁵,Zhang Qisheng¹²³⁴⁵^ORCID

Affiliation:

1. MOE Key Laboratory of Macromolecular Synthesis and Functionalization

2. Department of Polymer Science and Engineering

3. Zhejiang University

4. Hangzhou 310027

5. P. R. China

6. Singapore University of Technology and Design

7. Singapore

8. State Key Laboratory Breeding Base of Green Chemistry-Synthesis Technology

9. College of Chemical Engineering

10. Zhejiang University of Technology

11. Hangzhou

12. China

Abstract

The degradation in TADF OLEDs is found to be governed by the radical electrophilic substitutions between two charge-transfer (CT) excitons. Expanding the mean localization distance (RLOL) of hole in the CT state can improve device stability.

Funder

National Natural Science Foundation of China

National Basic Research Program of China

Publisher

Royal Society of Chemistry (RSC)

Subject

Materials Chemistry,General Chemistry

Link

http://pubs.rsc.org/en/content/articlepdf/2020/TC/D0TC01897J

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1. Highly efficient phosphorescent emission from organic electroluminescent devices

2. Nearly 100% internal phosphorescence efficiency in an organic light-emitting device