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One-step in-situ hydrothermal synthesis of SnS2/reduced graphene oxide nanocomposites with high performance in visible light-driven photocatalytic reduction of aqueous Cr(VI)

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Abstract

Photocatalytic reduction of aqueous Cr(VI) was successfully achieved on SnS2/reduced graphene oxide (SnS2/RGO) nanocomposites. The SnS2/RGO nanocomposites have been synthesized via facile in situ hydrothermal reactions of SnCl4·5H2O, thiourea (NH2CSNH2), and graphene oxide nanosheets without any modified reagents. The physical and chemical properties of SnS2/RGO were studied by field emission scanning electron microscopy (FESEM), X-ray diffraction (XRD), Raman spectra, and UV–vis diffuse reflectance spectra. The photocatalytic reduction of aqueous Cr(VI) by SnS2/RGO nanocomposites was evaluated at ambient temperature under visible light (λ > 420 nm) irradiation. The SnS2/RGO nanocomposites exhibit excellent reduction efficiency of Cr(VI) (~90 %) than that of pure SnS2.

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Acknowledgements

This work was financially supported by the National Science Foundation of China (51272147), the Academic Backbone Cultivation Program of Shaanxi University of Science & Technology (XSGP201203), and the Graduate Innovation Found of Shaanxi University of Science and Technology.

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Authors and Affiliations

  1. School of Materials Science and Engineering, Shaanxi University of Science and Technology, Xi’an, 710021, People’s Republic of China

    Hui Liu, Lu Deng, Zhifu Zhang, Jie Guan, Yang Yang & Zhenfeng Zhu

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  1. Hui Liu
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  2. Lu Deng
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  3. Zhifu Zhang
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  4. Jie Guan
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  5. Yang Yang
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  6. Zhenfeng Zhu
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Correspondence to Hui Liu.

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Liu, H., Deng, L., Zhang, Z. et al. One-step in-situ hydrothermal synthesis of SnS2/reduced graphene oxide nanocomposites with high performance in visible light-driven photocatalytic reduction of aqueous Cr(VI). J Mater Sci 50, 3207–3211 (2015). https://doi.org/10.1007/s10853-015-8886-3

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