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Nanocrystalline TiO 2 –CeO 2 mixed oxides with different CeO 2 contents have been prepared by the sol–gel method. On the samples calcined at 673K the specific surface areas, crystalline structures, optical absorption spectra and photocatalytic activity for the 2-dichlorophenoxyacetic acid degradation were determined. An important effect on the specific surface area as a function...
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