Acceptor Engineering in Triphenylamine-Based Push-Pull Dyes for Enhanced Photosensitization

Abstract

Donor-acceptor dyes were designed by conjugating a common triphenylamine donor with acceptors of varying strengths to enhance Type I photosensitization efficiency. Among these, TTCF, featuring the strongest tricyanofuran acceptor, generated 2.4 times more superoxide radicals than the reference photosensitizer rose bengal, through aggregation-induced intersystem crossing leading to efficient electron transfer mechanisms.

Supplementary files

Article information

Article type
Communication
Submitted
14 Aug 2025
Accepted
07 Oct 2025
First published
07 Oct 2025

Chem. Commun., 2025, Accepted Manuscript

Acceptor Engineering in Triphenylamine-Based Push-Pull Dyes for Enhanced Photosensitization

Y. Choi, Y. Lee, D. Kang and Y. Kim, Chem. Commun., 2025, Accepted Manuscript , DOI: 10.1039/D5CC04669F

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