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Journal of Materials Science

, Volume 41, Issue 15, pp 4871–4875 | Cite as

Preparation of nanostructured NiFe2O4 catalysts by combustion reaction

  • A. C. F. M. Costa
  • R. T. Lula
  • R. H. G. A. Kiminami
  • L. F. V. Gama
  • A. A. de Jesus
  • H. M. C. Andrade
Article

Abstract

Nanosize nickel ferrite powders (NiFe2O4) have been prepared by combustion reaction using nitrates and urea as fuel. The resulting powders were characterized by X-ray diffraction (XRD), nitrogen physical adsorption (BET), scanning electron microscopy (SEM), transmission electron microscopy (TEM) and catalytic activity. The results showed nanosize nickel ferrite powders with high specific surface area (55.21 m2/g). The powders showed extensive XRD line broadening and the crystallite size calculated from the XRD line broadening was 18.0 nm. The nickel ferrite powder presented significant activity as catalyst for the water gas shift reaction, over the temperature range of 250–450 °C.

Keywords

NiFe2O4 Combustion Reaction Nickel Ferrite Copper Transmission Electron Microscopy Nickel Ferrite Nanoparticles 

Notes

Acknowledgements

The authors would like to thank the Brazilian institutions RECAT/FINEP for their financial support of this research.

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Copyright information

© Springer Science+Business Media, LLC 2006

Authors and Affiliations

  • A. C. F. M. Costa
    • 1
  • R. T. Lula
    • 1
  • R. H. G. A. Kiminami
    • 2
  • L. F. V. Gama
    • 1
  • A. A. de Jesus
    • 3
  • H. M. C. Andrade
    • 3
  1. 1.Department of Materials EngineeringFederal University of Campina GrandeCampina GrandeBrazil
  2. 2.Department of Materials EngineeringFederal University of São CarlosSão CarlosBrazil
  3. 3.Chemistry InstituteFederal University of Bahia – Campus Universitário de OndinaSalvadorBrazil

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