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Titania (P25-type) was used as photocatalytic matrix, and ceria was introduced to modify P25 by a deposit method in order to improve the photocatalytic property. Recombination of charge carriers have been restrained by the oxygen storage effect of rare earth elements. Modified P25 (CeO2/TiO2) has been proved to be more effective in photocatalytic application by fluorescence spectrum. Then CeO2/TiO2...
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