Efficient narrow green organic light-emitting diodes with low efficiency roll-offs based on iridium(<scp>iii</scp>) complexes containing indolo[3,2,1-<i>jk</i>]carbazole and pyrimidine units-Reference-Cited by-同舟云学术

Efficient narrow green organic light-emitting diodes with low efficiency roll-offs based on iridium(iii) complexes containing indolo[3,2,1-jk]carbazole and pyrimidine units

Published:2023 Issue:20 Volume:7 Page:4944-4951
ISSN:2052-1537
Container-title:Materials Chemistry Frontiers
language:en
Short-container-title:Mater. Chem. Front.

Author:

Liu Qi-Ming¹,Yuan Li¹,Liao Xiang-Ji¹,Zhong Xiao-Sheng¹,Ni Hua-Xiu¹,Wang Yu¹,Zhao Yue¹^ORCID,Zheng You-Xuan¹²^ORCID

Affiliation:

1. State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210093, P. R. China

2. Shenzhen Research Institute of Nanjing University, Shenzhen 518057, P. R. China

Abstract

Two green Ir(iii) complexes based on the ligands containing indolo[3,2,1-jk]carbazole and pyrimidine units show high PLQYs and small FWHMs. The OLEDs show good performances with an EQEmax of 31.3% and extremely low efficiency roll-offs.

Funder

National Natural Science Foundation of China

Basic and Applied Basic Research Foundation of Guangdong Province

Publisher

Royal Society of Chemistry (RSC)

Subject

Materials Chemistry,General Materials Science

Link

http://pubs.rsc.org/en/content/articlepdf/2023/QM/D3QM00514C

Reference38 articles.

1. Bright red light‐emitting organic electroluminescent devices having a europium complex as an emitter

2. Coordination complexes exhibiting room-temperature phosphorescence: Evaluation of their suitability as triplet emitters in organic light emitting diodes