Photo–Initiated Electron–Transfer at the Interface between Anatase TiO2 Nanocrystallites and Transition–Metal Polypyridyl Compounds: Recent Advances
Published Online: 18 JAN 2011
Copyright © 2006 John Wiley & Sons, Ltd
Encyclopedia of Inorganic Chemistry
How to Cite
Ardo, S. and Meyer, G. J. 2011. Photo–Initiated Electron–Transfer at the Interface between Anatase TiO2 Nanocrystallites and Transition–Metal Polypyridyl Compounds: Recent Advances. Encyclopedia of Inorganic Chemistry. .
- Published Online: 18 JAN 2011
Molecular control of solar light harvesting and interfacial charge transfer at mesoporous, nanocrystalline semiconductor thin films are described. Light absorption by transition-metal coordination compounds anchored to wide band-gap semiconductors can initiate electron-transfer processes that ultimately reduce the semiconductor and oxidize the coordination compound. Such photo-induced charge separation is a key step for solar energy conversion. Three different interfacial charge-separation mechanisms are discussed in addition to regeneration processes wherein a mobile donor donates an electron to the oxidized coordination compound. Inorganic chemistry plays a central role in this approach to solar energy conversion, which may ultimately be optimized for practical applications.
- dye-sensitized solar cells;
- transition-metal coordination compounds;
- mesoporous anatase TiO2