Fine tuning the steric hindrance of the Eu(ii) tris(pyrazolyl)borate complex for a blue organic light-emitting diode

Author:

Yan Wenchao1,Li Yuqin23,Huo Peihao1,Guo Ruoyao1,Yu Gang1ORCID,Zhao Zifeng1ORCID,Wang Kezhi2ORCID,Bian Zuqiang1ORCID,Liu Zhiwei1ORCID

Affiliation:

1. Beijing National Laboratory for Molecular Sciences, State Key Laboratory of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China

2. Beijing Key Laboratory of Energy Conversion and Storage Materials, College of Chemistry, Beijing Normal University, Beijing 100875, China

3. School of Chemical Engineering and Biotechnology, Xingtai University, Xingtai 054001, China

Abstract

A sky-blue OLED based on a Eu(ii) complex Eu–tBu shows an EQEmax of 15.7% and a Lmax of 52 240 cd m−2.

Funder

National Natural Science Foundation of China

Beijing Municipal Natural Science Foundation

National Key Research and Development Program of China

Publisher

Royal Society of Chemistry (RSC)

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