Issue 31, 2023, Issue in Progress
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RSC Advances

Benzoate-based thermally activated delayed fluorescence materials†

Liang Zhang, ORCID logo *a   Wenjing Zhu,a   Kangkang Gao,a   Yun Wu,a   Yani Lu,a   Chao Shuai,a   Penghui Zhang,a   Huicheng Lia  and  Chuan-Feng Chen ORCID logo *bc  

* Corresponding authors

a College of Petrochemical Engineering, Longdong University, Qingyang 745000, China
E-mail: zhang_liang1113@126.com

b Beijing National Laboratory for Molecular Sciences, CAS Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, China
E-mail: cchen@iccas.ac.cn

c University of Chinese Academy of Sciences, Beijing 100049, China

Abstract

Compounds PTZ-MBZ (methyl 3-(10H-phenothiazin-10-yl)benzoate) and DMAC-MBZ (methyl 3-(9,9-dimethylacridin-10(9H)-yl)benzoate) were conveniently synthesized, and they exhibited TADF properties with lifetimes of 0.80 and 2.17 μs, respectively. The spatially separated highest occupied molecular orbital and lowest unoccupied molecular orbital resulted in a very small singlet–triplet energy gap of 0.0152 eV and 0.0640 eV, respectively. Thermally activated delayed fluorescence materials with short lifetime could be used as promising luminescent materials for organic light-emitting diodes.

Graphical abstract: Benzoate-based thermally activated delayed fluorescence materials

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Article information

DOI
https://doi.org/10.1039/D3RA03289B
Article type
Paper
Submitted
17 May 2023
Accepted
10 Jul 2023
First published
14 Jul 2023
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2023,13, 21296-21299

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Benzoate-based thermally activated delayed fluorescence materials

L. Zhang, W. Zhu, K. Gao, Y. Wu, Y. Lu, C. Shuai, P. Zhang, H. Li and C. Chen, RSC Adv., 2023, 13, 21296 DOI: 10.1039/D3RA03289B

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