ZnO/Ag/CdO nanocomposite for visible light-induced photocatalytic degradation of industrial textile effluents.
By R. Saravanan, Mohammad Mansoob Khan, Vinod Kumar Gupta, E. Mosquera, Francisco Gracia, V. Narayanan, A. Stephen. Journal of Colloid and Interface Science, 2015
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A ternary ZnO/Ag/CdO nanocomposite was synthesized using thermal decomposition method. The resulting nanocomposite was characterized by X-ray diffraction, field emission scanning electron microscopy, transmission electron microscopy, UV-Vis spectroscopy, and X-ray photoelectron spectroscopy. The ZnO/Ag/CdO nanocomposite exhibited enhanced photocatalytic activity under visible light irradiation for the degradation of methyl orange and methylene blue compared with binary ZnO/Ag and ZnO/CdO nanocomposites. The ZnO/Ag/CdO nanocomposite was also used for the degradation of the industrial textile effluent (real sample analysis) and degraded more than 90% in 210 min under visible light irradiation. The small size, high surface area and synergistic effect in the ZnO/Ag/CdO nanocomposite is responsible for high photocatalytic activity. These results also showed that the Ag nanoparticles induced visible light activity and facilitated efficient charge separation in the ZnO/Ag/CdO nanocomposite, thereby improving the photocatalytic performance.
Subfields: Materials Chemistry, Renewable Energy, Sustainability and the Environment
View Paper: https://www.semanticscholar.org/paper/48fe48e95b56136d8e17fc6b25f7f42789c849de
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In Materials Chemistry
In Renewable Energy, Sustainability and the Environment
Citations in the corpus
- Conducting PANI stimulated ZnO system for visible light photocatalytic degradation of coloured dyes (2016, background): “The first order rate constant (k) value of the prepared samples (Table 2) evidently exposed that MB has degraded much more rapidly than that ofMO degradation due to its simple structure [13].”