Abstract
This study uses the wet chemical method to synthesize P25 (TiO2)/CeO2 composites by mixing P25 and Ce(NO3)3·6H2O at different volumetric concentrations. X-ray diffraction, transmission electron microscopy and ultraviolet–visible diffuse reflectance spectroscopy are used to analyze the structure, morphology, optical properties and photocatalytic activity of the TiO2/CeO2 composites with different compositions. The pollutant, methylene blue solution, was used for analysis. The results show that the photocatalytic activity of the composite catalysts is greater than that of pure TiO2 or pure CeO2. The catalyst, TiO2 55%/CeO2 (v/v), exhibits the greatest level of photocatalytic activity.
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