Spectroscopic Investigation of Laser Treated Nano Material Cadmium Sulphide (CdS)

Authors

  • N. Ravi   Department of physics, St. Joseph’s College, Tiruchirappalli620 002, Tamil Nadu, India

Keywords:

Abstract

The study of nano powder, particularly laser heat treatment of nano particles plays a major role in laser materials processing studies. The synthesis and charactersation techniques of nano particles attracted greater attention in material science due to their various applications. Cadmium sulphide is the important material used in solar cells as well as in electronics and photo optics. Now in this study we report the influence of laser heat treatment on nano powder CdS. The laser treated CdS samples are characterized and analysed by Xray diffraction, UVvisible absorption, FTIR spectra, Dielectric studies, DLS spectra and SEM. From the Xray analysis we observed that the laser treated CdS in with the structure of hexagonal and the crystalline size is in the range of 1127 nm. The UVvisible spectrum also confirms the presence of CdS nano particles with the average band gap energy of 5.1ev. The optical band gap values of CdS calculated are about 5.15.3ev. FTIR confirms the presence of CdS particles with various groups. Dielectric studies of laser treated CdS samples linear increase of values when the frequency increase (except for dipole laser heat treatment of samples for 30 minutes). Dynamic light scattering studies reveals that the particle size matches with Xray diffraction values that slightly differ with SEM studies.

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International Journal of Scientific Research in Science and Technology

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Published

2017-12-15

Issue

Volume 3, Issue 11, November-December-2017

Section

Research Articles

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How to Cite

[1]
N. Ravi , " Spectroscopic Investigation of Laser Treated Nano Material Cadmium Sulphide (CdS), International Journal of Scientific Research in Science and Technology(IJSRST), Online ISSN : 2395-602X, Print ISSN : 2395-6011, Volume 3, Issue 11, pp.181-193, November-December-2017.