Abstract
Bismuth vanadate (BiVO4) nanoparticles were prepared on NaY type zeolite by impregnation with Bi(NO3)(3) and NH4VO3 solution and subsequent calcination at different temperatures. The materials consist of BiVO4 nano-crystals with average size of 7 nm and NaY zeolite, described as BiVO4/NaY (BV), show a strong absorption in the visible light region. The powders were tested by degradation of methyl orange with lambda > 400 nm light, which was found to have significantly superior photocatalytic activity compared to BiVO4.
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