Tungsten oxide nanopowder for preparing ceramic microsphere has photochromic property. It is an excellent solar energy absorbing material. In other words, tungsten oxide has strong absorption capacity for electromagnetic waves (mainly ultraviolet rays and near-infrared rays). And therefore, it can also be used as invisible material. The photochromic property makes tungsten oxide can be widely applied in the field of heat insulation.
Nano grain size tungsten oxide also has photocatalytic property. If it is combined with Pt/C, the composite is expected to significantly improve the catalytic properties of the fuel cell electrode material. As a sensitive material for sensors, nano grain size tungsten oxide has strong sensitivity to gases such as NOx, H2S and NH3, so that it can be used for the detection of food, medicine and exhaust gas. Tungsten oxide can also be widely used in electrochromic films, such as display screens, automatic light intensity adjustment of car rearview mirrors.
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