As a type of infrared thermal insulation nano material, nano tungsten oxide has excellent heat insulation effect, which can reduce energy consumption and therefore save cooling fee on air-conditioning in hot summer. Certainly, it also improves human comfort by reduce glare effectively.
Tungsten oxide is also an extremely important member of photocatalysts, which has a wide range of sources, environmental friendliness, and relatively low cost. Thus, there is no doubt that related studies on the photocatalytic performance of tungsten oxide are required. Moreover, it is necessary to study the influence of different raw material compositions on the crystal structure of tungsten oxide by adjusting the added components in the solution. In addition, the tungsten oxide should be also modified to improve the photocatalytic performance of tungsten oxide photocatalyst for photocatalysis. Photocatalysis is the acceleration of a photoreaction in the presence of a catalyst in chemistry. Light is absorbed by an adsorbed substrate in catalyzed photolysis. The photocatalytic activity depends on the ability of the catalyst to create electron–hole pairs in photogenerated catalysis, which generate free radicals - able to undergo secondary reactions.
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