Preparation method of ultrathin nano hollow sphere MoSe2 material

The invention belongs to the technical field of nano materials, and discloses a preparation method of an ultrathin nano hollow sphere MoSe2 material, which comprises the following steps: preparing rawmaterials and equipment, wherein the raw materials comprise: molybdate, selenium powder and hydrazine hydrate; dissolving the molybdate in deionized water, adjusting the pH value to be alkaline undermagnetic stirring, adding the selenium powder, adding the hydrazine hydrate as a reducing agent after uniform stirring, and performing magnetic stirring until the mixture is uniformly dispersed; transferring a mixed solution obtained by reaction into a high-pressure reaction kettle with a lining of polytetrafluoroethylene, heating in a water bath for 24-72 hours under the condition of 180-210 DEGC to obtain a reaction product; centrifuging the reaction product by a centrifugal machine, collecting lower-layer precipitates, and cleaning the lower-layer precipitates respectively and alternatelyfor three times by the deio