Structure evolution and photocatalytic activity of BiFeO3 powders synthesized by hydrothermal decomposition of metal-EDTA complexes

  • Jie Wei
  • Chao Zhang
  • Shengchun Mao
  • Zhuo Xu
  • Brahim Dkhil
Article

Abstract

In the paper, the formation mechanism for pure phase BiFeO3 (BFO) in an EDTA-assisted hydrothermal process with the presence of NaNO2 was investigated in detail. The analysis revealed that the hydrothermal decomposition of Fe-EDTA complexes with the presence of NaNO2 intensely influenced both the crystal structure and morphology of BFO powders. Moreover, pure BFO particles exhibited efficient photocatalytic activity under visible-light irradiation, suggesting their promising applications as photocatalysts.

Keywords

Photocatalytic Activity NaNO2 Bi2O3 BiFeO3 EDTA Complex 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Notes

Acknowledgments

Financial support by Natural Science Basis Research Plan in Shaanxi Province of China (Program No. 2011JM6001), Specialized Research Fund for the Doctoral Program of Higher Education (No. 20110201120003), China Postdoctoral Science Foundation (Grant No:20110491653), the National Basic Research Program of China under Grant No. 2009CB623306 and the Fundamental Research Funds for the Central Universities of China (No. XJJ20100148 & 2011JDHZ10), is gratefully acknowledged.

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Copyright information

© Springer Science+Business Media, LLC 2012

Authors and Affiliations

  • Jie Wei
    • 1
  • Chao Zhang
    • 1
  • Shengchun Mao
    • 1
  • Zhuo Xu
    • 1
  • Brahim Dkhil
    • 2
  1. 1.Electronic Materials Research Laboratory, Key Laboratory of Ministry of EducationXi’an Jiaotong UniversityXi’anChina
  2. 2.Laboratoire Structures, Propriétés et Modélisation des Solides, CNRS-UMR8580, Ecole Centrale Paris, Grande Voie des VignesChatenay-Malabry CedexFrance

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