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In Situ Growth of Vanadium Oxide on Reduced Graphene Oxide for the Low-Temperature NO-SCR by NH3

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Journal of Wuhan University of Technology-Mater. Sci. Ed. Aims and scope Submit manuscript

Abstract

The vanadium oxide/reduced graphene oxide (V2O5/rGO) composite catalyst which determined the selective catalytic reduction activity (SCR) of NO with NH3 was prepared by a simple solvothermal method. The physicochemical properties of the catalysts were characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM), Raman, X-ray energy spectrometer (XPS) and N2 sorption isotherm measurement (BET). Results of NH3-SCR showed that the NO conversion of V2O5/rGO catalyst could reach 54.3% at 100 °C. And the removal of NO increased to 74.6% when the temperature was up to 220 °C. By characterizing the microstructure and morphology of the V2O5/rGO catalysts prepared by in-situ growth and mechanical mixing methods, it was further shown that V2O5 nanoparticles were highly dispersed and in situ growth on the rGO surface. Based on X-ray energy spectrometer, V2O5/rGO catalyst had good low temperature denitrification performance due to the chemical adsorption oxygen and low-valent vanadium oxide contained in V2O5/rGO catalyst, which was beneficial to the redox reaction between V2O5 and graphene.

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Authors and Affiliations

  1. State Key Laboratory of Silicate Materials for Architectures, School of Materials Science and Engineering, Wuhan University of Technology, Wuhan, 430070, China

    Meiyan Li  (李美颜), Wei Jin  (金伟), Binqing Jiao & Jie Zhao

  2. Center for Material Research and Analysis, Wuhan University of Technology, Wuhan, 430070, China

    Yanyuan Qi

Authors
  1. Meiyan Li  (李美颜)
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  2. Yanyuan Qi
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  3. Wei Jin  (金伟)
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  4. Binqing Jiao
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  5. Jie Zhao
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Corresponding author

Correspondence to Wei Jin  (金伟).

Additional information

Funded by the National Natural Science Foundation of China (No.51506155) and Wuhan Science and Technology Project (No. 2016010101010020)

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Li, M., Qi, Y., Jin, W. et al. In Situ Growth of Vanadium Oxide on Reduced Graphene Oxide for the Low-Temperature NO-SCR by NH3. J. Wuhan Univ. Technol.-Mat. Sci. Edit. 34, 572–578 (2019). https://doi.org/10.1007/s11595-019-2090-2

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  • DOI: https://doi.org/10.1007/s11595-019-2090-2

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