Molecular design of DBA-type five-membered heterocyclic rings to achieve 200% exciton utilization for electroluminescence-Reference-Cited by-同舟云学术

Molecular design of DBA-type five-membered heterocyclic rings to achieve 200% exciton utilization for electroluminescence

Published:2022 Issue:10 Volume:9 Page:2518-2523
ISSN:2051-6347
Container-title:Materials Horizons
language:en
Short-container-title:Mater. Horiz.

Author:

Sun Qi¹^ORCID,Wu Yishi²,Cui Yuanyuan³,Gao Can⁴,Ou Qi¹,Hu Deping¹,Wang Lu¹,Wang Yue³^ORCID,Dong Huanli⁴^ORCID,Zhao Jianzhang⁵^ORCID,Zhang Chunfeng⁶,Shuai Zhigang¹^ORCID,Fu Hongbing²,Peng Qian⁷⁴^ORCID

Affiliation:

1. MOE Key Laboratory of Organic Optoelectronics and Molecular Engineering, Department of Chemistry, Tsinghua University, Beijing, 100084, P. R. China

2. Department of Chemistry, Capital Normal University, Beijing 100048, P. R. China

3. College of Chemistry, Jilin University, Changchun 130012, P. R. China

4. Institute of chemistry, Chinese Academy of Sciences, Beijing, 100049, P. R. China

5. School of Chemical Engineering, Dalian University of Technology, 2 Ling Gong Road, Dalian 116024, P. R. China

6. School of Physics, Nanjing University, Nanjing, 210093, China

7. School of Chemical Sciences, University of Chinese Academy of Sciences, Beijing, 100049, P. R. China

Abstract

A facile scenario is proposed to design DBA-type molecules with E(T2) > E(S1) ≥ 2E(T1), promising to realize 200% exciton utilization through a three-step mechanism for organic electroluminescence.

Funder

National Natural Science Foundation of China

National Science and Technology Major Project

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/2022/MH/D2MH00919F

Reference32 articles.

1. Singlet and Triplet Exciton Formation Rates in Conjugated Polymer Light-Emitting Diodes