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Effect of Mg Doping on the Structural and Optical Properties of CdS Nanoparticles Synthesized by co-Precipitation Method

Electronic Archive of Sumy State University

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Title Effect of Mg Doping on the Structural and Optical Properties of CdS Nanoparticles Synthesized by co-Precipitation Method
 
Creator Giribabu, G.
Murali, G.
Reddy, D. Amaranatha
Vijayalakshmi, R.P.
Rao, Madhusudhana
 
Subject Mg doped CdS
Co-precipitation
Phase transition
Bandgap
 
Description Cd1 – xMgxS (x = 0.00, 0.05, 0.10, 0.15 and 0.20) nanoparticles were synthesized by co-precipitation method for the first time. Compositional, morphological, structural and optical studies of the as prepared samples were carried out by X-ray diffraction (XRD), Energy dispersive analysis of X-rays (EDAX), Scanning electron microscopy (SEM), Diffuse reflectance spectroscopy (DRS) and Photoluminescence (PL) techniques. XRD studies revealed the structural phase transition from cubic to hexagonal and increase in the average grain size of the nanoparticles (lie in the range 1.4 nm to 2.8 nm) with increasing Mg content. EDAX spectra rules out the existence of impurities in the samples. Bandgap widening was observed in all the samples compared to bulk CdS (2.42 eV). Decrease in bandgap (3.02 eV to 2.54 eV), luminescence quenching and red shift of luminescence peak position were observed with increasing Mg in Cd1 – xMgxS.
When you are citing the document, use the following link http://essuir.sumdu.edu.ua/handle/123456789/30285
 
Publisher Сумський державний університет
 
Date 2013-03-11T08:11:08Z
2013-03-11T08:11:08Z
2012
 
Type Article
 
Identifier G. Giribabu, G. Murali, D. Amaranatha Reddy, et al., J. Nano- Electron. Phys. 4 No 4, 04028 (2012)
http://essuir.sumdu.edu.ua/handle/123456789/30285
 
Language en