Frontiers of Materials Science

, Volume 12, Issue 1, pp 21–33 | Cite as

Heterogeneous Fenton-like discoloration of methyl orange using Fe3O4/MWCNTs as catalyst: combination mechanism and affecting parameters

  • Huan-Yan Xu
  • Yuan Wang
  • Tian-Nuo Shi
  • Hang Zhao
  • Qu Tan
  • Bo-Chao Zhao
  • Xiu-Lan He
  • Shu-Yan Qi
Research Article


Multi-walled carbon nanotubes (MWCNTs) can act not only as a support for Fe3O4 nanoparticles (NPs) but also as a coworker with synergistic effect, accordingly improving the heterogeneous Fenton-like efficiency of Fe3O4 NPs. In this study, Fe3O4 NPs were in situ anchored onto MWCNTs by a moderate co-precipitation method and the as-prepared Fe3O4/MWCNTs nanocomposites were employed as the highly efficient Fenton-like catalysts. The analyses of XRD, FTIR, Raman, FESEM, TEM and HRTEM results indicated the formation of Fe3O4 crystals in Fe3O4/MWCNTs nanocomposites prepared at different conditions and the interaction between Fe3O4 NPs and MWCNTs. Over a wide pH range, the surface of modified MWCNTs possessed negative charges. Based on these results, the possible combination mechanism between Fe3O4 NPs and MWCNTs was discussed and proposed. Moreover, the effects of preparation and catalytic conditions on the Fenton-like catalytic efficiency were investigated in order to gain further insight into the heterogeneous Fenton-like reaction catalyzed by Fe3O4/MWCNTs nanocomposites.


MWCNTs Fe3O4 NPs Fenton-like catalyst combination mechanism affecting parameters 


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This work was financially supported by the Natural Science Foundation of Heilongjiang Province, China (No. E2015065).


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Copyright information

© Higher Education Press and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Huan-Yan Xu
    • 1
  • Yuan Wang
    • 1
  • Tian-Nuo Shi
    • 1
  • Hang Zhao
    • 1
  • Qu Tan
    • 1
  • Bo-Chao Zhao
    • 1
  • Xiu-Lan He
    • 1
  • Shu-Yan Qi
    • 1
  1. 1.School of Materials Science and EngineeringHarbin University of Science and TechnologyHarbinChina

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