Benzophenone-containing phosphors with an unprecedented long lifetime of 1.8 s under ambient conditions

Yuming Su; Minjian Wu; Guangming Wang; Jiuyang Li; Xuefeng Chen; Xun Li; Guoxiang Wang; Kaka Zhang

doi:10.1039/D2CC06601G

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Benzophenone-containing phosphors with an unprecedented long lifetime of 1.8 s under ambient conditions†

Yuming Su,^ab Minjian Wu,^b Guangming Wang,^b Jiuyang Li,^b Xuefeng Chen,^b Xun Li,^b Guoxiang Wang*^a and Kaka Zhang

*^b

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* Corresponding authors

^a School of Chemistry and Chemical Engineering, Hunan Institute of Science and Technology, People's Republic of China
E-mail: 11991397@hnist.edu.cn

^b Key Laboratory of Synthetic and Self-Assembly Chemistry for Organic Functional Molecules, Shanghai Institute of Organic Chemistry, University of Chinese Academy of Sciences, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, People's Republic of China
E-mail: zhangkaka@sioc.ac.cn

Abstract

It is well-known that benzophenone has a short phosphorescence lifetime of around 1 ms even at 77 K. Here we report a benzophenone-containing emitter with an unprecedented long phosphorescence lifetime of 1.8 s under ambient conditions, which can be attributed to its T₁ state of localized excitation nature as revealed by detailed studies.

This article is part of the themed collection: Photofunctional Materials and Transformations

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Article information

DOI: https://doi.org/10.1039/D2CC06601G
Article type: Communication
Submitted: 04 dic. 2022
Accepted: 12 ene. 2023
First published: 13 ene. 2023

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Chem. Commun., 2023,59, 1525-1528

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Benzophenone-containing phosphors with an unprecedented long lifetime of 1.8 s under ambient conditions

Y. Su, M. Wu, G. Wang, J. Li, X. Chen, X. Li, G. Wang and K. Zhang, Chem. Commun., 2023, 59, 1525 DOI: 10.1039/D2CC06601G

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Chemical Communications

Benzophenone-containing phosphors with an unprecedented long lifetime of 1.8 s under ambient conditions†

Abstract

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Benzophenone-containing phosphors with an unprecedented long lifetime of 1.8 s under ambient conditions

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