| Abstract |
Photoinduced electron transfer in a supramolecular ZnTPP·Fe2S2 complex is investigated using femtosecond infrared spectroscopy, infrared spectro-electrochemistry, and DFT calculations. We find that the electron density is delocalized over the diiron core and the naphthalimide ligand, which explains the photocatalytic properties of this complex. The results show that time-resolved infrared spectroscopy provides a unique tool to investigate photoinduced electron transfer in Fe2S2·porphyrin systems, and so to optimize their performance for the production of solar fuels.
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