Research on Chemical Intermediates

, Volume 39, Issue 8, pp 3895–3900 | Cite as

Thermoluminescence study of ZnS:Cu nanoparticles

  • Jagjeet Kaur
  • Vikas Dubey
  • N. S. Suryanarayana
  • N. Kumar Swamy
  • S. V. N. Pammi
  • P. V. Ramakrishna
Article
  • 171 Downloads

Abstract

In this paper, we report on the TL glow curves and kinetic parameters, activation energy, order of kinetics, and the frequency factor of copper-doped zinc sulfide nanophosphor under UV irradiations. The sample was prepared by the chemical precipitation method; thereafter, the TL glow curves were recorded for different doses of UV exposure at a heating rate of 10 °C/s. The synthesized nanophosphor exhibited TL glow peaks at 241, 255, and 281 °C for the heating rate 10 °C/s at different doses of 5, 10, and 15 min of UV exposure. The kinetic parameters activation energy E, the order of kinetics b, and the frequency factor S of synthesized nanophosphor of ZnS:Cu have been calculated by using a peak shape method while the trap depth was determined using different formulae. The sample was characterized by XRD (X-ray diffraction) and SEM (scanning electron microscope).

Keywords

Thermoluminescence TL glow curve Kinetic parameters 

Notes

Acknowledgments

We are grateful to UGC for funding through a Minor Research Project. The XRD part of the paper is related to IUC Indore, and we are grateful to Dr. Mukul Gupta for his support.

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Copyright information

© Springer Science+Business Media Dordrecht 2012

Authors and Affiliations

  • Jagjeet Kaur
    • 1
  • Vikas Dubey
    • 1
  • N. S. Suryanarayana
    • 1
  • N. Kumar Swamy
    • 2
  • S. V. N. Pammi
    • 3
  • P. V. Ramakrishna
    • 3
  1. 1.Department of PhysicsGovernment Vishwanath Yadav Tamaskar Post Graduate Autonomous CollegeDurgIndia
  2. 2.Material Science Research LabITM UniversityGurgaonIndia
  3. 3.Department of PhysicsAndhra UniversityA.PIndia

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