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Microstructure and luminescence properties of Co-doped SnO2 nanoparticles synthesized by hydrothermal method

  • L. M. Fang
  • X. T. ZuEmail author
  • Z. J. Li
  • S. Zhu
  • C. M. Liu
  • L. M. Wang
  • F. Gao
Article

Abstract

Co-doped SnO2 nanoparticles were synthesized by a simple hydrothermal method, and characterized by X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), Transmission electron microscopy (TEM), UV–Vis diffuse reflectance spectra (DRS) and Photoluminescence spectroscopy (PL). It is found that the SnO2 crystallites with the tetragonal rutile structure formed directly during the hydrothermal process without calcination. The Co-doped SnO2 nanoparticles were spheric and well-dispersed with narrow size distribution. The crystalline size of SnO2 decreased from 5.98 to 2.22 nm when the Co content increased from 0% to 20%. A considerable red shift in the absorbing band edge was observed with increasing of Co dopant.

Keywords

SnO2 Diffuse Reflectance Spectrum Blue Emission SnO2 Nanoparticles Room Temperature Photoluminescence 
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

Acknowledgements

This study was supported financially by the NSAF Joint Foundation of China (10376006) and by the Program for New Century Excellent Talents in University (NCET-04-0899) and by the Ph.D. Founding Support Program of Education Ministry of China (20050614013) and by Program for Innovative Research Team in UESTC.

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Copyright information

© Springer Science+Business Media, LLC 2008

Authors and Affiliations

  • L. M. Fang
    • 1
  • X. T. Zu
    • 1
    • 2
    Email author
  • Z. J. Li
    • 1
  • S. Zhu
    • 3
    • 4
  • C. M. Liu
    • 1
  • L. M. Wang
    • 3
    • 4
  • F. Gao
    • 5
  1. 1.Department of Applied PhysicsUniversity of Electronic Science and Technology of ChinaChengduP. R. China
  2. 2.International Center for Material PhysicsChinese Academy of SciencesShengyangP. R. China
  3. 3.Department of Nuclear Engineering and Radiological SciencesUniversity of MichiganAnn ArborUSA
  4. 4.Department of Materials Science and EngineeringUniversity of MichiganAnn ArborUSA
  5. 5.Pacific Northwest National LaboratoryRichlandUSA

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