Design, synthesis and application of tetraphenylbenzene-based blue organic electroluminescent materials with aggregation-induced emission and hot exciton properties

Author:

Dong Xiaorui1,Cao Yinpeng1,Dong Xiuqing1,Huo Jinnan12,Shi Heping1ORCID

Affiliation:

1. School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, China

2. School of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian 116600, China

Abstract

A pair of TPB-based deep blue isomers, TPB-CN-CZ1 and TPB-CN-CZ2, with AIE-hot exciton properties have been designed and synthesized. A TPB-CN-CZ2-based non-doped OLED shows a satisfactory EQEmax of 11.8% with an efficiency roll-off of only 6%.

Funder

National Natural Science Foundation of China

Publisher

Royal Society of Chemistry (RSC)

Subject

Materials Chemistry,General Chemistry

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