Citation: LIANG Jian, ZHANG Cai-Xia, DONG Hai-Liang, HE Xia, SHEN Yan-Qiang, XU Bing-She. Ag/ZnO/ZnSe Heteronanostructure: Synthesis and Photocatalytic Properties with Visible Light Irradiation[J]. Chinese Journal of Inorganic Chemistry, ;2015, (2): 260-266. doi: 10.11862/CJIC.2015.016
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Ag/ZnO/ZnSe heterostructure nanocatalysts were successfully synthesized via twice immersion method by use of as-prepared Ag nanowire. The structure and morphology of Ag/ZnO/ZnSe heterostructure are investigated by X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), energy-dispersive X-ray spectroscopy (EDS) field emission transmission electron microscopy (FETEM). It is proved that Ag/ZnO/ZnSe heterostructure was consisted with vermicular Ag/ZnOheterostructure coated by ZnSe nanoparticles. Compared with pure Ag nanowire, pure ZnOnanosphere and Ag/ZnOheterostructure, the results showed that the photocatalytic activity of the Ag/ZnO/ZnSe heterostructure was higher than other samples. The enhanced photocatalytic activity could be attributed to the formation of heterostructure, which might improve the separation of photogenerated electron-hole pairs, and decrease recombination probability.
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Keywords:
- Ag;ZnO;ZnSe;photocatalytic efficiency
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