Applications of Tungsten Trioxide Photocatalytic

For a long time, it has been a persistent pursuit for scientific workers to study and use clean energy. it has been one of research focus to producing hydrogen by using solar water splitting, and the key to achieving this goal is to look for the excellent performance  photocatalyst. As tungsten trioxide has good photocatalytic activity in visible range, and it becomes popular, in addition,applications of tungsten trioxide photocatalytic is very extensive, as follows:

1: air purification. In greenhouse tungsten trioxide photocatalyst can remove pollutants in the air by using water vapor and oxygen in the air, such as nitrogen oxides, sulfides, formaldehyde and other harmful gases. In addition, it can also be used to reduce industrial exhaust gas and so on.

2: anti-fog and self-cleaning. Using tungsten trioxide preparation tungsten trioxide film has the same light catalysis, relative to the three tungsten oxide powder with strong hydrophilic, water vapor or liquid droplets in the above form a uniform water film, under ultraviolet light produced by the strong oxidation ability is the adsorption of organic matter is decomposed into carbon dioxide hydrate on anti-fog and self-cleaning effect.
 
3:antibacterial. Use tungsten trioxide photocatalytic photoproduction of holes and electrons and light catalyst surface adsorption of H2O with strong oxidizing activity of superoxide ion, and bacterial cells or bacteria inside components of biochemical reactions, it can thoroughly kill bacteria, as well as degrade  toxic compounds released by bacteria, prevent endotoxin from secondary pollution.
 
 
 
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