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Electron-Transfer Acceleration Investigated by Time Resolved Infrared Spectroscopy
- 1.0441652 - ÚFCH JH 2016 RIV US eng J - Článek v odborném periodiku
Vlček, Antonín - Kvapilová, Hana - Towrie, M. - Záliš, Stanislav
Electron-Transfer Acceleration Investigated by Time Resolved Infrared Spectroscopy.
Accounts of Chemical Research. Roč. 48, č. 3 (2015), s. 868-876. ISSN 0001-4842. E-ISSN 1520-4898
Institucionální podpora: RVO:61388955
Klíčová slova: electron transfer * infrared spectroscopy
Kód oboru RIV: CG - Elektrochemie
Impakt faktor: 22.003, rok: 2015
Ultrafast electron transfer (ET) processes are important primary steps in natural and artificial photosynthesis, as well as in molecular electronic/photonic devices. In biological systems, ET often occurs surprisingly fast over long distances of several tens of angströms. Laser-pulse irradiation is conveniently used to generate strongly oxidizing (or reducing) excited states whose reactions are then studied by time-resolved spectroscopic techniques. While photoluminescence decay and UV–vis absorption supply precise kinetics data, time-resolved infrared absorption (TRIR) and Raman-based spectroscopies have the advantage of providing additional structural information and monitoring vibrational energy flows and dissipation, as well as medium relaxation, that accompany ultrafast ET. We will discuss three cases of photoinduced ET involving the ReI(CO)3(N,N) moiety (N,N = polypyridine) that occur much faster than would be expected from ET theories.
Trvalý link: http://hdl.handle.net/11104/0244626
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