Reaction Kinetics, Mechanisms and Catalysis

, Volume 125, Issue 1, pp 183–197 | Cite as

Immobilization of phosphotungstic acid on amine-grafted graphene oxide via a facile and efficient solid-phase reaction for the selective oxidation of cyclohexanol

  • Bing Xue
  • Jie Zhai
  • Na Liu
  • Jing Wu
  • Jiajia Shen
  • Jie Xu
  • Yongxin Li


Phosphotungstic acid was immobilized on the surface of 3-aminopropyltrimethoxysilane -grafted graphene oxide by one-step solid phase reaction between acid and base. The synthesized catalyst was characterized by Fourier transform infra-ed spectroscopy, X-ray photoelectron spectroscopy, atomic force microscopy, thermogravimetry, elemental analysis, NMR and contact angle measurements. The catalyst was exploited for selective oxidation of cyclohexanol to cyclohexanone. The catalytic results indicated that the cyclohexanol conversion of 89.2% along with cyclohexanone selectivity of 95.4% was achieved in selective oxidation of cyclohexanol using H2O2 as oxidant over the as-prepared catalyst. It also could be easily recovered and reused for at least four times without any significant loss in activity.


Immobilization Phosphotungstic acid Graphene oxide Solid-phase reaction Selective oxidation Cyclohexanol 



The authors thank the generous financial support from the National Natural Science Foundation of China (21376032, 21673024) and the State Key Laboratory of Chemical Resource Engineering (CRE-2017-C-109).


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Copyright information

© Akadémiai Kiadó, Budapest, Hungary 2018

Authors and Affiliations

  • Bing Xue
    • 1
  • Jie Zhai
    • 1
  • Na Liu
    • 1
  • Jing Wu
    • 1
  • Jiajia Shen
    • 1
  • Jie Xu
    • 1
  • Yongxin Li
    • 1
  1. 1.Jiangsu Key Laboratory of Advanced Catalytic Materials and Technology, School of Petrochemical EngineeringChangzhou UniversityChangzhouChina

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