Abstract:Solar light active photocatalyst was prepared as silver phosphate (Ag3PO4) coating on titania–silica (TiO2–SiO2) microspheres. Titania–silica microsphere was obtained by spray drying TiO2–SiO2 colloidal solutions, whereas Ag3PO4 was applied by wet impregnation. XRD on the granules and SEM analysis show that the silver phosphate particles cover the surface of the titania–silica microspheres, and UV-visible diffuse reflectance analysis highlights that Ag3PO4/TiO2–SiO2 composites can absorb the entire visible lig… Show more
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