Issue 79, 2024

Exploring the triplet state properties of thio-benzothioxanthene imides with applications in TTA-upconversion and photopolymerization

Abstract

Thio-benzothioxanthene imide (BTXI) exhibits long excited state lifetime (τT = 17.7 μs) and high ISC efficiency (ΦΔ = 97%). For the first time, BTXI derivatives were used as photosensitizers for triplet–triplet annihilation upconversion, achieving the highest efficiency of 13.8%. In addition, thio-BTXI derivatives were used as photoinitiators for photopolymerization, resulting in a series of green light-activated radical polymerization systems.

Graphical abstract: Exploring the triplet state properties of thio-benzothioxanthene imides with applications in TTA-upconversion and photopolymerization

Supplementary files

Article information

Article type
Communication
Submitted
09 Aug 2024
Accepted
05 Sep 2024
First published
07 Sep 2024

Chem. Commun., 2024,60, 11132-11135

Exploring the triplet state properties of thio-benzothioxanthene imides with applications in TTA-upconversion and photopolymerization

X. Chen, H. Liang, X. He, W. Li, Z. Nian, Z. Mahmood, Y. Huo and S. Ji, Chem. Commun., 2024, 60, 11132 DOI: 10.1039/D4CC04049J

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