An excellent bipolar host material exhibiting EQE of 24.0% with small efficiency roll-off in solution-processable thermally activated delayed fluorescence OLEDs-Reference-Cited by-同舟云学术

An excellent bipolar host material exhibiting EQE of 24.0% with small efficiency roll-off in solution-processable thermally activated delayed fluorescence OLEDs

Published:2019 Issue:44 Volume:7 Page:13930-13938
ISSN:2050-7526
Container-title:Journal of Materials Chemistry C
language:en
Short-container-title:J. Mater. Chem. C

Author:

Godumala Mallesham¹²³⁴⁵,Yoon Jiwon¹²³⁴⁵,Jeong Cheol Hun¹²³⁴⁵,Lee Chiho¹²³⁴⁵,Jeong Ji-Eun¹²³⁴⁵,Park Sungnam¹²³⁴⁵^ORCID,Woo Han Young¹²³⁴⁵^ORCID,Cho Min Ju¹²³⁴⁵,Choi Dong Hoon¹²³⁴⁵^ORCID

Affiliation:

1. Department of Chemistry

2. Research Institute for Natural Sciences

3. Korea University

4. Seongbuk-gu

5. Republic of Korea

Abstract

The D–A–D′-type novel organic material APC was designed and synthesized as a host for TADF emitters. APC realized an external quantum efficiency of 24.0% and also retained 23.1 and 21.7% at high brightness of 500 and 1000 cd m⁻², respectively.

Funder

National Research Foundation of Korea

Korea Basic Science Institute

Publisher

Royal Society of Chemistry (RSC)

Subject

Materials Chemistry,General Chemistry

Link

http://pubs.rsc.org/en/content/articlepdf/2019/TC/C9TC04812J

Reference38 articles.

1. Highly efficient blue thermally activated delayed fluorescence emitters based on symmetrical and rigid oxygen-bridged boron acceptors

2. Narrowband deep-blue organic light-emitting diode featuring an organoboron-based emitter