Based on Tungsten Oxide Precursor Synthesis Tungstate

The invention belongs to the field of preparation of nanomaterials, specifically relates to a preparation method based on tungsten oxide as the precursor of several tungstate nanomaterials.

Characterized by comprising the following steps:

1) Preparation of precursor;

2) According to the stoichiometric ratio of the different tungstate was dissolved in a reaction weighed 4mol / L nitric acid solution, and finally mixed with the precursor to form a mixed phase;

3) Hydrothermal reaction temperature of 120-180 ℃, the reaction time is 6-24h. The approach is novel and simple.

This approach has been successfully used to prepare a variety of morphologies, uniform size Bi2WO6, CoWO4, FeWO4 three kinds of tungstate nanomaterials.




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