Tungstate photocatalysts such as zinc tungstate are usually prepared by high-temperature calcination. Calcination not only consumes a lot of energy, but also the particle size of the prepared sample is large, the specific surface area of the catalyst is greatly reduced, and the photocatalytic efficiency is not ideal. Nanomaterials have unique crystal structures and surface properties, which are conducive to the improvement of catalytic activity and selectivity. Therefore, the preparation of nano-tungstate photocatalytic materials will greatly improve the efficiency of degrading organic pollutants. Solution chemical synthesis technology is an economical and effective method for the preparation of nano-inorganic materials.
The method of low-temperature solution-phase synthesis has many advantages such as controllable conditions, low cost, and mild environment, and the method of low-temperature solution-phase synthesis has great influence on the size, morphology, structure, and crystallinity of inorganic reactions and the resulting inorganic photocatalytic materials. special effects. Therefore, the development of a simple and universal low-temperature solution phase method to synthesize tungstate photocatalytic materials shows superior photocatalytic performance than the same photocatalytic materials prepared by other preparation techniques. The solution method can break through the limitations of other methods, and prepare better nano-tungstate photocatalytic materials that are difficult to synthesize by other methods.
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