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Synthesis and characterization of CdS nanoparticles

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Abstract

In the present work a chemical reduction method is followed to grow CdS nanoparticles at room temperature with varying the amount of reducing agent sodiumborohydride. The dispersed samples in ethanol are characterized using electron diffraction techniques. Simultaneously optical absorption, photoluminescence and longtime photorelaxation of these samples are studied at room temperature. An increase in band gap is observed in each case as compared to bulk CdS. Also particle size decreases with increased amount of reducing agent. Simultaneously long time relaxation increases with decrease of stoichiometric ratio of reducing agent. An attempt is made to correlate the structural, optical, electrical and opto-electrical properties.

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Acknowledgments

Authors are acknowledging Department of Physics of Vidyasagar University for XRD measurement. Authors are thankful to IIT Kharagpur for graciously allow the use of TEM measurement.

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Authors and Affiliations

  1. Department of Physics and Technophysics, Vidyasagar University, Midnapur, Paschim Medinipur, West Bengal, 721102, India

    R. Bhattacharya, T. K. Das & S. Saha

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  1. R. Bhattacharya
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  2. T. K. Das
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  3. S. Saha
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Correspondence to R. Bhattacharya.

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Bhattacharya, R., Das, T.K. & Saha, S. Synthesis and characterization of CdS nanoparticles. J Mater Sci: Mater Electron 22, 1761–1765 (2011). https://doi.org/10.1007/s10854-011-0359-0

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  • DOI: https://doi.org/10.1007/s10854-011-0359-0

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