ArticleInorganic chemistry2025
Enhanced Quenching in an Azaphthalocyanine-Ferrocene Supramolecular Dyad upon Charge-Transfer Complex Formation.
Article in Inorganic chemistry, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Enhanced Quenching in an Azaphthalocyanine-Ferrocene Supramolecular Dyad upon Charge-Transfer Complex Formation.Inorganic chemistry · 2025Article
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6 authors.
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Abstract
Azaphthalocyanines are fluorescent dyes and photosensitizers with promising applications in photodynamic therapy (PDT) and fluorescence sensing. However, achieving precise control over their photophysical behavior remains a major challenge. Here, we report a supramolecular approach to enhance fluorescence quenching via charge-transfer complex formation. An electron-deficient azaphthalocyanine derivative incorporating a naphthalene-2,6-diol moiety as a charge-transfer donor was synthesized, and its fluorescence response toward a tailored quencher was evaluated. A ferrocene-methylviologen conjugate that simultaneously functions as a quencher and an acceptor in charge-transfer complexes was designed and synthesized for this purpose. Compared to ferrocenemethanol and methylviologen alone, the conjugate quencher exhibited an enhanced quenching efficiency in acetonitrile. The quenching followed a nonlinear Stern-Volmer dependence, indicating both static and dynamic quenching mechanisms, with the former one being more efficient with
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