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- W1976201237 abstract "New approach of surface modification consisting on mixing SnO 2 and TiO 2 colloids and packing them as a composite film (SnO 2 -TiO 2 ) on a conducting glass surface has led to the increased sensitized photocurrent quantum yields. The photoinjected electrons from the sensitizer into TiO 2 are quickly transferred into lower lying conduction band of SnO 2 carriers thus promoting the charge separation. High internal photocurrent quantum yield for CdS film as sensitizer, approaching unity (Φ = 95%), has been obtained. In addition, composite SnO 2 -TiO 2 nanocrystalline films improve the charge separation in adsorbed bis(2,2'-bipyridine)(2,2'-bipyridine-4,4'-dicarboxylic acid) ruthenium complex (Ru(lI)) too. Higher internal photocurrent quantum yield (Φ = 92%) has been obtained for Ru(II) by replacing SnO 2 carriers against composite SnO 2 -TiO 2 particles in the film. On the other hand, the later composition does not show any increase in the photovoltage." @default.
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- W1976201237 date "1997-11-01" @default.
- W1976201237 modified "2023-09-25" @default.
- W1976201237 title "Photosensitization of composite metal oxide semiconductor films" @default.
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- W1976201237 doi "https://doi.org/10.1002/bbpc.19971011118" @default.
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