Sunlight-triggered photochromism of imidazole-based 2D polymer via open–shell diradicalization

Chemical Communications 2026

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Authors: Vinutha K. Venkatareddy, Abhijeet V. Kamble, M. Rajeswara Rao
DOI: 10.1039/d5cc05648a
Cited by: 2
References: 41

Abstract

The imidazole-incorporated CMP exhibits rapid sunlight-activated photochromic behaviour, altering its solid-state colour from yellow (red edge at 834 nm) to green (red edge at 1240 nm) with reversion in darkness. The process is attributed to a unique open-shell diradicalization of the CMP, as evidenced by EPR, SQUID, NMR, and FT-IR analyses.

Fields of Study & Subjects

Photochromic and Fluorescence Chemistry Polydiacetylene-based materials and applications Luminescence and Fluorescent Materials

Publication details

Journal / source
Chemical Communications
Publisher
Royal Society of Chemistry (RSC)
Volume
62
Issue
12
Pages
3820–3824
Publication date
1 January 2026
Language
EN