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Highly UV light driven WOx@ZnO nanocomposites synthesized by liquid impregnation method
Myo Thuya Thein,Jia Ern Chim,Swee-Yong Pung,Yuh-Fen Pung 한국공업화학회 2017 Journal of Industrial and Engineering Chemistry Vol.46 No.-
Highly UV driven WOx@ZnO nanocomposites were synthesized by liquid impregnation (LI) method. Thepresence of WOx particles on the surface of ZnO nanorods were verified by TEM and EDX mapping. Inaddition, the XPS analysis shows that the WOx nanoparticles were a mixture of WO2 and WO3nanoparticles. The photocatalytic enhancement of WOx@ZnO nanocomposites in degrading RhB dyeunder UV light suggests that deposition of WOx could have pro-longed the separation of electrons(in WOx) from the holes. More holes were able to diffuse to the surface of photocatalyst and directlyoxidized the RhB dye molecules into less harmful by-products.