Yellow tungsten oxide is a semiconductor photocatalyst that has advantages of small band gap, effective use of visible light, strong hydrophilicity, good dispersibility in water, and relatively high photocatalytic efficiency, so it can be used for organic wastewater treatment.
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However, yellow tungsten oxide, which is more often known as tungsten trioxide or WO3, has defects such as easy photocorrosion. Therefore, in the current research, while improving the photocatalytic activity of WO3, researchers are also trying to improve its photochemical stability. And therefore, one of the current research hotspots on tungsten trioxide photocatalyst is how to improve the photochemical stability of WO3. Semiconductor photocatalytic oxidation technology is an inexpensive and environmentally friendly technology with attractive prospects in the field of organic wastewater treatment. Therefore, yellow tungsten oxide with good photocatalytic performance also has broad application prospects in organic wastewater treatment.
