A phosphorescent OLED with an efficiency roll-off lower than 1% at 10 000 cd m<sup>−2</sup> achieved by reducing the carrier mobility of the donors in an exciplex co-host system-Reference-Cited by-同舟云学术

A phosphorescent OLED with an efficiency roll-off lower than 1% at 10 000 cd m⁻² achieved by reducing the carrier mobility of the donors in an exciplex co-host system

Published:2022 Issue:12 Volume:10 Page:4955-4964
ISSN:2050-7526
Container-title:Journal of Materials Chemistry C
language:en
Short-container-title:J. Mater. Chem. C

Author:

Chiu Chun-Hao¹,Amin Nurul Ridho Al²³⁴,Xie Jia-Xun¹,Lee Chih-Chien⁴,Luo Dian³^ORCID,Biring Sajal²³,Sutanto Kevin²³,Liu Shun-Wei²³^ORCID,Chen Chih-Hsin¹^ORCID

Affiliation:

1. Department of Chemistry, Tamkang University, New Taipei 251, Taiwan

2. Organic Electronics Research Center, Ming Chi University of Technology, New Taipei 24301, Taiwan

3. Department of Electronic Engineering, Ming Chi University of Technology, New Taipei 24301, Taiwan

4. Department of Electronic Engineering, National Taiwan University of Science and Technology, Taipei 10617, Taiwan

Abstract

A phosphorescent OLED with an external quantum efficiency of 22.31% and an extremely low efficiency roll-off of 0.67% at 10 000 cd m−2 was achieved by reducing the carrier mobility of the donors in an exciplex co-host system.

Funder

Ministry of Science and Technology, Taiwan

Publisher

Royal Society of Chemistry (RSC)

Subject

Materials Chemistry,General Chemistry

Link

http://pubs.rsc.org/en/content/articlepdf/2022/TC/D1TC04473G

Reference30 articles.

1. Highly efficient organic light-emitting diodes from delayed fluorescence

2. Organic light-emitting diodes employing efficient reverse intersystem crossing for triplet-to-singlet state conversion

3. Simple structured hybrid WOLEDs based on incomplete energy transfer mechanism: from blue exciplex to orange dopant