Ultrafast excited states dynamics of metal ion complexes of the carotenoid astaxanthin

Emrah Özcan,Valentyna Kuznetsova,Gürkan Keşan,Marcel Fuciman,Radek Litvín,Tomáš Polívka

Journal of Photochemistry and Photobiology A: Chemistry（2023）

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摘要

•Interaction of carotenoid astaxanthin with metal ions produces stable complexes.•Astaxanthin-metal interaction alters the excited state dynamics.•Lifetime of astaxanthin lowest excited state is shortened upon complexation.•The charge transfer character of the S1/ICT state of astaxanthin is enhanced.

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关键词

Carotenoids, Metal complexes, Ultrafast spectroscopy, Charge transfer state

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