Abstract
Mesoporous titanium dioxide fi lms obtained by the sol/gel template method are used as supports for making TiO2/CdS nanoheterostructures. We show that the photocatalytic method results in formation of smaller CdS nanoparticles than chemical deposition. Photoelectrochemical measurements show more effi cient spatial separation of photogenerated charges between components of the photocatalytically produced TiO2/CdS fi lms, and consequently their participation in redox transformation of the xanthene dye Rose Bengal when exposed to UV light leads to higher quantum yields.
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