Charge transfer vs. proton transfer in the excited-state dynamics of biomimetic pyranoflavylium cations

Charge transfer vs. proton transfer in the excited-state dynamics of biomimetic pyranoflavylium cations

Pyranoflavylium cations are synthetic analogues of pyranoanthocyanin, colored pigments, formed from grape anthocyanins during the maturation of red wines. Studies of a series of monosubstituted pyranoflavylium cations, ranging from methoxy (PF+-OMe) to cyano (PF+-CN), have shown that they display fl...

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Bibliographic Details
Main Authors: Eli M. Espinoza, John A. Clark, Cassio Pacheco da. Silva, James B. Derr, Gustavo Thalmer de Medeiros Silva, Mimi K. Billones, Maryann Morales, Frank H. Quina, Valentine I. Vullev
Format: Article
Language:English
Published: Elsevier 2022-06-01
Series:Journal of Photochemistry and Photobiology
Subjects:
Pyranoflavylium cations
Pyranoanthocyanins
Charge transfer
Proton transfer
Pump-probe spectroscopy
Online Access:http://www.sciencedirect.com/science/article/pii/S2666469022000033

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