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Journal of Materials Science

, Volume 45, Issue 4, pp 906–910 | Cite as

Direct synthesis of mesoporous Fe3O4 through citric acid-assisted solid thermal decomposition

  • Xiaohui Liu
  • Yong Guo
  • Yangang Wang
  • Jiawen Ren
  • Yanqin WangEmail author
  • Yanglong Guo
  • Yun Guo
  • Guanzhong LuEmail author
  • Yunsong Wang
  • Zhigang Zhang
Article

Abstract

A simple and inexpensive approach to synthesizing mesoporous Fe3O4 is developed by using citric acid-assisted solid thermal decomposition of ferric nitrate. The structure and magnetic property of mesoporous Fe3O4 were characterized by XRD, FT–IR, N2 adsorption–desorption isotherms, TEM, and vibrating sample magnetometer. It was shown that the decomposition of citric acid results in the formation of the mesoporous structure and narrow pore-size distribution. The reducing atmosphere which created by the decomposition of the ferric nitrate–citric acid complex caused the partial reduction of Fe(III) to Fe(II) and in turn the formation of Fe3O4. Moreover, the strength of the coordination between carboxyl group and Fe3+ also affected the phase composition of the iron oxides.

Keywords

Fe3O4 Magnetite Citric Acid Iron Oxide Ferric Citrate 

Notes

Acknowledgements

This work was supported financially by the New Century Excellent Talents in University (NCET-05-415), National Natural Science Foundation of China (20673037), the Commission of Science and Technology of Shanghai Municipality (08JC1407900), China.

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Copyright information

© Springer Science+Business Media, LLC 2009

Authors and Affiliations

  • Xiaohui Liu
    • 1
  • Yong Guo
    • 1
  • Yangang Wang
    • 1
  • Jiawen Ren
    • 1
  • Yanqin Wang
    • 1
    Email author
  • Yanglong Guo
    • 1
  • Yun Guo
    • 1
  • Guanzhong Lu
    • 1
    Email author
  • Yunsong Wang
    • 1
  • Zhigang Zhang
    • 1
  1. 1.Lab for Advanced Materials, Research Institute of Industrial CatalysisEast China University of Science and TechnologyShanghaiPeople’s Republic of China

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