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Dendritic CdS assemblies for removal of organic dye molecules
1Key Laboratory for Photonic and Electronic Bandgap Materials, Ministry of Education and College of Chemistry and Chemical Engineering, Harbin Normal University, Harbin 150025, P. R. China. wuxiang05@gmail.com qufengyu@hrbnu.edu.cn.
Abstract:
In this paper, novel CdS 3D assemblies are prepared via a facile and effective hydrothermal route using dimethyl sulfoxide as the growth template. Morphologies, microstructures and photocatalytic properties of the as-synthesized products are investigated in detail. It was found that dimethyl sulfoxide played an important role in the formation of CdS assemblies. A possible growth mechanism for CdS assemblies was proposed based on the experimental results. In addition, CdS assemblies exhibit superior photocatalytic activities by the photodegradation of eosin B, Methyl orange (MO) and Rhodamine B (RhB) under visible light irradiation, with a comparison with other CdS nanostructures, P25 and α-Fe2O3 powders, demonstrating potential applications in removal of organic dye molecules from waste water.
