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Cuprous Sulfide/Reduced Graphene Oxide Hybrid Nanomaterials: Solvothermal Synthesis and Enhanced Electrochemical Performance

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Abstract

The cuprous sulfide nanoparticles (CuS NPs)-decorated reduced graphene oxide (rGO) nanocomposites have been successfully prepared via a facile and efficient solvothermal synthesis method. Scanning electron microscopy and transmission electron microscopy images demonstrated that CuS micronspheres composed of nanosheets and distributed on the rGO layer in well-monodispersed form. Fourier-transform infrared spectroscopy analyses and x-ray photoelectron spectroscopy showed that graphene oxide (GO) had been reduced to rGO. The electrochemical performances of CuS/rGO nanocomposites were investigated by cyclic voltammetry and charge/discharge techniques, which showed that the specific capacitance of CuS/rGO nanocomposites was enhanced because of the introduction of rGO.

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Acknowledgement

We gratefully acknowledge financial support from the Fundamental Research Funds for the Central Universitiesin China (Grant No. 2013XK07) and the Fundamental Research Funds of CUMT (Grant No. 2015XKQK02).

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Authors and Affiliations

  1. School of Chemical Engineering and Technology, China University of Mining and Technology, Xuzhou, 221116, People’s Republic of China

    Zhanjun He & Yabo Zhu

  2. School of Chemistry and Materials Science, Huaibei Normal University, Huaibei, 235000, People’s Republic of China

    Zhanjun He

  3. School of Materials Science and Engineering, China University of Mining and Technology, Xuzhou, 221116, People’s Republic of China

    Yabo Zhu, Zheng Xing & Zhengyuan Wang

Authors
  1. Zhanjun He
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  2. Yabo Zhu
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  3. Zheng Xing
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  4. Zhengyuan Wang
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Correspondence to Yabo Zhu.

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He, Z., Zhu, Y., Xing, Z. et al. Cuprous Sulfide/Reduced Graphene Oxide Hybrid Nanomaterials: Solvothermal Synthesis and Enhanced Electrochemical Performance. J. Electron. Mater. 45, 285–290 (2016). https://doi.org/10.1007/s11664-015-4207-5

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  • DOI: https://doi.org/10.1007/s11664-015-4207-5

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