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Tungsten Oxide Nanopowder Applied for Thermal Insulation Coating

Tungsten oxide nanopowder with photochromic properties may be applied for preparing thermal insulation coating, which may be widely applied in heat insulation field in the future with the implementation of more environmental policies. Nano grain size tungsten oxide is also a type of photocatalyst with photocatalytic properties, which can be used in photolysis of water to produce hydrogen. However, as the photocatalytic activity of tungsten oxide is not high, it needs to be improved by composition, metal loading, and semiconductor loading, etc. The Z-type system is one of the composite forms.tungsten oxide nanopowder applied for thermal insulation coating Chinatungsten picture
Recently, studies have found that some semiconductors become Z-type system when they are combined with g-C3N4. For example, WO3/g-C3N4Z-type composite photocatalyst. It was found that the hydrogen production activity of the composite photocatalyst depends on the content of the WO3 component, and 10wt% of WO3/g-C3N4 exhibits the highest hydrogen production activity. At the same time, the study found that the reaction mechanism of the composite photocatalyst is Z-type reaction.

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