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Structural and optical properties of Zn doped CdO nanoparticles synthesized by chemical precipitation method

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Abstract

In this article, synthesis of undoped and zinc doped cadmium oxide with different zinc concentration (0, 2, and 5 wt%) using simple chemical precipitation method has been discussed. Influence of zinc dopant on crystal structure, microstructure and optical properties of the nanoparticles was investigated by means of X-ray diffractometer, field emission scanning electron microscope, ultraviolet–visible spectrometer, and photoluminescence spectrometer. Crystal structure analysis reveals that zinc doping appreciably increases the crystalline size and also it shows the polycrystalline nature of the samples. Microstructural investigation shows that the samples contain nanoparticles. Optical bandgap of the prepared samples found to vary from 2.67 to 2.61 eV for various dopant concentrations. With these specifications we can fabricate semiconductor nanocrystals and these can be used for some large scale applications of nanotechnology.

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Acknowledgments

One of the authors Dr. A.T. Ravichandran gratefully acknowledge the financial assistance given by the University Grants Commission of India through the Major Research Project (UGC-MRP:F.NO 41-937/2012 (SR)).

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Authors and Affiliations

  1. PG & Research Department of Physics, National College, Tiruchirapalli, Tamilnadu, 620 001, India

    A. T. Ravichandran & A. Robert Xavier

  2. PG & Research Department of Physics, Government Arts College, Karur, Tamilnadu, 639 005, India

    K. Pushpanathan

  3. Department of Chemistry, M.S. Ramaiah Institute of Technology, Bengaluru, 560 054, India

    B. M. Nagabhushana

  4. PG & Research Department of Physics, Sree Sevugan Annamalai College, Devakotai, Tamilnadu, 630 303, India

    R. Chandramohan

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  1. A. T. Ravichandran
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Correspondence to A. T. Ravichandran.

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Ravichandran, A.T., Robert Xavier, A., Pushpanathan, K. et al. Structural and optical properties of Zn doped CdO nanoparticles synthesized by chemical precipitation method. J Mater Sci: Mater Electron 27, 2693–2700 (2016). https://doi.org/10.1007/s10854-015-4079-8

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