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Thermoluminescence study of ZnS:Cu nanoparticles

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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).

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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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Authors and Affiliations

  1. Department of Physics, Government Vishwanath Yadav Tamaskar Post Graduate Autonomous College, Durg, 491001, C.G., India

    Jagjeet Kaur, Vikas Dubey & N. S. Suryanarayana

  2. Material Science Research Lab, ITM University, Gurgaon, 122017, Haryana, India

    N. Kumar Swamy

  3. Department of Physics, Andhra University, A.P, 530003, India

    S. V. N. Pammi & P. V. Ramakrishna

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  1. Jagjeet Kaur
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  2. Vikas Dubey
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  3. N. S. Suryanarayana
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  4. N. Kumar Swamy
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  5. S. V. N. Pammi
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  6. P. V. Ramakrishna
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Correspondence to Vikas Dubey.

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Kaur, J., Dubey, V., Suryanarayana, N.S. et al. Thermoluminescence study of ZnS:Cu nanoparticles. Res Chem Intermed 39, 3895–3900 (2013). https://doi.org/10.1007/s11164-012-0905-2

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  • DOI: https://doi.org/10.1007/s11164-012-0905-2

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