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Synthesis of CdS/ZnO nanocomposite and its enhanced photocatalytic activity in degradation of methyl orange

  • Physical Chemistry of Nanoclusters and Nanomaterials
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Abstract

In this paper, a kind of CdS/ZnO nanocomposite components (CdS/ZnO) was synthesized via a two-step method. The crystal structures, chemical composition and microstructures of the resulting sample were investigated by X-ray powder diffraction (XRD), energy dispersive X-ray analysis (EDX) and fieldemission scanning electron microscopy (FE-SEM). The photocatalytic activity of the CdS/ZnO towards the degradation of methyl orange (MO) was investigated under visible light. The photocatalytic experiments with pure CdS nanoparticles (CdS) and blank test were also conducted CdS/ZnO exhibited the maximum photodegradation efficiency, which is found to be as high as 94.6% after 180 min of reaction. The reason for the enhanced photocatalytic performance was attributed to the promoted separation of photogenerated charge carriers caused by the synergy between CdS and ZnO.

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Authors and Affiliations

  1. College of Chemical Engineering and Technology, Wuhan University of Science and Technology, Wuhan, 430081, PR China

    Liang An, Guanghui Wang, Yao Cheng, Lei Zhao, Fang Gao & Yang Cheng

Authors
  1. Liang An
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  2. Guanghui Wang
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  3. Yao Cheng
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  4. Lei Zhao
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  5. Fang Gao
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  6. Yang Cheng
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Correspondence to Guanghui Wang.

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An, L., Wang, G., Cheng, Y. et al. Synthesis of CdS/ZnO nanocomposite and its enhanced photocatalytic activity in degradation of methyl orange. Russ. J. Phys. Chem. 89, 1878–1883 (2015). https://doi.org/10.1134/S0036024415100180

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  • DOI: https://doi.org/10.1134/S0036024415100180

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