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Deo S.R.,P.A. College | Singh A.K.,P.A. College | Deshmukh L.,P.A. College | Paliwal L.J.,Rashtrasant Tukadoji Maharaj Nagpur University | Singh R.S.,Government Daanveer Tularam College
Optik | Year: 2015

The present paper reports the preparation of Cd0.5Pb0.5S thin films via a simple and inexpensive chemical bath deposition technique. Various preparation conditions were optimized for the deposition of good quality Cd0.5Pb0.5S thin films. The structural, morphological and optical properties of these films are discussed. The structural studies confirmed the polycrystalline nature of material with cubic structure. Using scanning electron microscopy, the surface morphology of the films was studied. The optical band gap of the film gets modified during annealing. The chemical composition of these thin films was studied by energy dispersive spectroscopy. The optical band gap energy for as-deposited and annealed Cd0.5Pb0.5S thin films were calculated and found in the range of 2.6 to 2.05 eV. © 2015 Elsevier GmbH. Source


Deo S.R.,P.A. College | Singh A.K.,P.A. College | Deshmukh L.,P.A. College | Paliwal L.J.,Rashtrasant Tukadoji Maharaj Nagpur University | And 2 more authors.
Journal of Saudi Chemical Society | Year: 2014

In the present paper, cadmium zinc selenide (Cd0.5Zn0.5Se) thin films were deposited on glass substrates by chemical bath deposition with optimized deposition parameters. 2-mercaptoethanol was used as a capping agent. The as-deposited thin films were annealed at 300, 500 and 700°C and then subjected to various structural, morphological and optical investigations. The effect of the presence of capping agent and annealing on these properties was discussed. The phenomenon of phase transformation occurred during annealing. The optical band gap energies were found in the range 2.37-1.7eV with respect to the annealing temperatures. © 2014 King Saud University. Source

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