Mechanistic analysis reveals UV-induced electron transfer in non-viologen organic salts, highlighting structural strategies to enhance photoresponsive materials.
The photochromic properties of organic bromide salts prepared from 3,6‐bis(bromomethyl)durene and nicotinic acid/methyl nicotinate were explored. UV exposure induced color changes, revealing distinct photoresponsive rates for each compound. Structural analysis, electron spin resonance (ESR), and DFT calculations elucidated the underlying mechanisms, highlighting the critical role of electron transfer and supramolecular interactions. This study provides structural insights to enhance the photochromic properties of non‐viologen compounds.
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Tanaka et al. (2025) studied this question.
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