Thermoluminescence studies of copper-doped cadmium sulphide nanoparticles with trap depth parameters

Thermoluminescence studies of copper-doped cadmium sulphide nanoparticles with trap depth parameters In this paper we report the synthesis of CdS:Cu nanoparticles by chemical precipitation. The structure and thermoluminescence (TL) properties of the particles were studied. TL glow curves and kinetic data, for example activation energy, order of kinetics, and frequency factor of the nanoparticles, were determined for different UV exposure times. TL glow curves were recorded for different doses of UV exposure time at a heating rate of 10 ° s−1. TL glow peaks were observed at 241.2, 252.3, and 275.3 °C when the particles were exposed to UV for 5, 10, and 15 min. Kinetic data for the synthesized nanophosphor CdS:Cu were calculated by use of the peak-shape method; trap depth was also calculated, by use of different formulae. XRD results showed the sample has a cubic structure. The average particle size was 35 nm. The Miller indices were also obtained. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Research on Chemical Intermediates Springer Journals

Thermoluminescence studies of copper-doped cadmium sulphide nanoparticles with trap depth parameters

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Publisher
Springer Journals
Copyright
Copyright © 2012 by Springer Science+Business Media Dordrecht
Subject
Chemistry; Catalysis; Physical Chemistry; Inorganic Chemistry
ISSN
0922-6168
eISSN
1568-5675
D.O.I.
10.1007/s11164-012-0940-z
Publisher site
See Article on Publisher Site

Abstract

In this paper we report the synthesis of CdS:Cu nanoparticles by chemical precipitation. The structure and thermoluminescence (TL) properties of the particles were studied. TL glow curves and kinetic data, for example activation energy, order of kinetics, and frequency factor of the nanoparticles, were determined for different UV exposure times. TL glow curves were recorded for different doses of UV exposure time at a heating rate of 10 ° s−1. TL glow peaks were observed at 241.2, 252.3, and 275.3 °C when the particles were exposed to UV for 5, 10, and 15 min. Kinetic data for the synthesized nanophosphor CdS:Cu were calculated by use of the peak-shape method; trap depth was also calculated, by use of different formulae. XRD results showed the sample has a cubic structure. The average particle size was 35 nm. The Miller indices were also obtained.

Journal

Research on Chemical IntermediatesSpringer Journals

Published: Dec 8, 2012

References

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