An unsymmetrical thermally activated delayed fluorescence emitter enables orange-red electroluminescence with 31.7% external quantum efficiency-Reference-Cited by-同舟云学术

An unsymmetrical thermally activated delayed fluorescence emitter enables orange-red electroluminescence with 31.7% external quantum efficiency

Published:2021 Issue:8 Volume:8 Page:2286-2292
ISSN:2051-6347
Container-title:Materials Horizons
language:en
Short-container-title:Mater. Horiz.

Author:

Zeng Xuan¹²³⁴⁵,Huang Yu-Hsin⁶⁷⁸⁹¹⁰,Gong Shaolong¹²³⁴⁵^ORCID,Li Pan⁶⁷⁸⁹¹⁰,Lee Wei-Kai⁶⁷⁸⁹¹⁰,Xiao Xiao¹²³⁴⁵,Zhang Yu¹²³⁴⁵,Zhong Cheng¹²³⁴⁵,Wu Chung-Chih⁶⁷⁸⁹¹⁰^ORCID,Yang Chuluo¹²³⁴⁵^ORCID

Affiliation:

1. Department of Chemistry

2. Renmin Hospital of Wuhan University

3. Hubei Key Lab on Organic and Polymeric Optoelectronic Materials

4. Wuhan University

5. Wuhan

6. Department of Electrical Engineering

7. Graduate Institute of Electronics Engineering, and Graduate Institute of Photonics and Optoelectronics

8. National Taiwan University

9. Taipei 10617

10. Taiwan

Abstract

A record-high η_ext of 31.7% for orange-red electroluminescence was realized by using an unsymmetrical TADF emitter featuring an A–D–A′ motif, which exhibited dual emission in fluid and preferentially horizontal dipole orientation in the host matrix.

Funder

National Natural Science Foundation of China

Ministry of Science and Technology, Taiwan

Shenzhen Technology Development Program

National Key Research and Development Program of China

Publisher

Royal Society of Chemistry (RSC)

Subject

Electrical and Electronic Engineering,Process Chemistry and Technology,Mechanics of Materials,General Materials Science

Link

http://pubs.rsc.org/en/content/articlepdf/2021/MH/D1MH00613D

Reference33 articles.