Monoclinic scheelite phase bismuth vanadate nano material as well as preparation method and application thereof

The invention belongs to the technical field of nanometre, and particularly discloses a monoclinic scheelite phase bismuth vanadate nanometer material and a preparation method and application thereof.The preparation method of the monoclinic scheelite phase bismuth vanadate nanometer material comprises the following steps that bismuth oxide and vanadium pentoxide are mixed according to the stoichiometric ratio and then added into a ball milling device for ball milling, and a mixture is obtained; the ball milling time is set to be larger than or equal to 6 h, and after ball milling is finished, the monoclinic scheelite phase bismuth vanadate nanometer material is obtained; the monoclinic scheelite phase bismuth vanadate nano material is prepared by the preparation method. According to the preparation method, the whole preparation process is simple and easy to control, a high-temperature sintering process is not needed, the raw material atom utilization rate is 100%, the product purity is high, the requirement o