Efficient thermally activated delayed fluorescent emitter based on a spiro-type benzo[b]acridine donor and a benzophenone acceptor

Author:

Song Xiangan1,Liu Zhangshan2,Lu Mengyao1,Zou Shengnan1,Guo Fengyun1,Gao Shiyong1ORCID,Zhao Zujin2ORCID,Tang Ben Zhong3,Zhang Yong14ORCID

Affiliation:

1. School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China

2. State Key Laboratory of Luminescent Materials and Devices, Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates, South China University of Technology, Guangzhou 510640, China

3. School of Science and Engineering, Shenzhen Institute of Aggregate Science and Technology, The Chinese University of Hong Kong, Shenzhen 518172, China

4. Key Laboratory of Opto-electronic Chemical Materials and Devices, Ministry of Education, Jianghan University, Wuhan, 430056, China

Abstract

A novel spiro-type donor 5H-spiro[benzo[b]acridine-12,9′-fluorene] and a thermally activated delayed fluorescence emitter bis(4-(5H-spiro[benzo[b]acridine-12,9′-fluoren]-5-yl)phenyl)methanone were synthesized for a high efficiency organic light-emitting diode.

Funder

National Natural Science Foundation of China

Jianghan University

Fundamental Research Funds for the Central Universities

Publisher

Royal Society of Chemistry (RSC)

Subject

Materials Chemistry,General Chemistry

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