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Chinese Journal of High Pressure Physics  > 2009  >  23(4): 299-304 .
SUN Zhen-Ya, WANG Shuo, DENG Yun-Di, LI Ming-Fa. Effects of High Pressure Treatment on Structures and Luminescence Properties of Nano ZnO and Composite ZnO/SnO2 Materials[J]. Chinese Journal of High Pressure Physics, 2009, 23(4): 299-304 . doi: 10.11858/gywlxb.2009.04.010
Citation: SUN Zhen-Ya, WANG Shuo, DENG Yun-Di, LI Ming-Fa. Effects of High Pressure Treatment on Structures and Luminescence Properties of Nano ZnO and Composite ZnO/SnO2 Materials[J]. Chinese Journal of High Pressure Physics, 2009, 23(4): 299-304 . doi: 10.11858/gywlxb.2009.04.010
shu

Effects of High Pressure Treatment on Structures and Luminescence Properties of Nano ZnO and Composite ZnO/SnO2 Materials

doi: 10.11858/gywlxb.2009.04.010
  • 1.

    Center for Materials Research and Analysis, Wuhan University of Technology, Wuhan 430070, China;

  • 2.

    School of Resource and Environment Engineering, Wuhan University of Technology, Wuhan 430070, China;

  • 3.

    Institute of High Temperature and High Pressure Physics, Wuhan University of Technology, Wuhan 430070, China

More Information
  • Corresponding author: SUN Zhen-Ya
  • Received Date: 05 Sep 2008
  • Rev Recd Date: 20 Feb 2009
  • Publish Date: 15 Aug 2009
    Abstract
  • The nano ZnO and nano composite ZnO/SnO2 materials were prepared by sol-gel method, then the prepared specimens were treated by high pressure method of which the pressure is up to 6 GPa. X-ray diffraction (XRD) and transmission electron microscopy (TEM) and photoluminescence spectrometer were employed to study structures and luminescence properties of the specimens. The results indicate that the particle sizes of ZnO and ZnO/SnO2 decrease 5.9% and 26.3% respectively after high pressure treatment. And the photoluminescence spectra show that photoluminescence spectra intensity of nano ZnO and composite ZnO/SnO2 materials both reduce after high pressure treatment, but the reduced intensity of composite ZnO/SnO2 materials is less than the one of pure ZnO, and the possible reasons are discussed.

     

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