Photodriven heterogeneous charge transfer with transition-metal compounds anchored to TiO2 semiconductor surfaces.

By S. Ardo, Gerald J. Meyer. Chemical Society Reviews, 2009

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A critical review of light-driven interfacial charge-transfer reactions of transition-metal compounds anchored to mesoporous, nanocrystalline TiO2 (anatase) thin films is described. The review highlights molecular insights into metal-to-ligand charge transfer (MLCT) excited states, mechanisms of interfacial charge separation, inter- and intra-molecular electron transfer, and interfacial charge-recombination processes that have been garnered through various spectroscopic and electrochemical techniques. The relevance of these processes to optimization of solar-energy-conversion efficiencies is discussed (483 references).

Subfields: Renewable Energy, Sustainability and the Environment

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