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BiPO4 photocatalyst with indirect band-gap of 3.85 eV was prepared by hydrothermal method.The photocatalytic activity of BiPO4 was as twice as that of TiO2 (P25,Degussa) for the degradation of phenol and methylene blue (MB) dye.The inductive effect of PO4 3- helped the e-/h+ separation,which played an important role in its excellent photocatalytic activity.