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

  • Meiyan Li (李美颜)
  • Yanyuan Qi
  • Wei Jin (金伟)Email author
  • Binqing Jiao
  • Jie Zhao
Advanced Materials


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.

Key words

V2O5/rGO catalyst NH3-SCR graphene in situ growth 


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Copyright information

© Wuhan University of Technology and Springer-Verlag GmbH Germany, Part of Springer Nature 2019

Authors and Affiliations

  • Meiyan Li (李美颜)
    • 1
  • Yanyuan Qi
    • 2
  • Wei Jin (金伟)
    • 1
    Email author
  • Binqing Jiao
    • 1
  • Jie Zhao
    • 1
  1. 1.State Key Laboratory of Silicate Materials for Architectures, School of Materials Science and EngineeringWuhan University of TechnologyWuhanChina
  2. 2.Center for Material Research and AnalysisWuhan University of TechnologyWuhanChina

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