International Science Community Association Research Journal of Chemical Sciences 2231 - 606X 2 1 2012 January 18 Chemical Bath Deposited PbSe Thin Films: Optical and Electrical Transport Properties 15 19 EN Matini L. 1 Department of Exact Sciences, E.N.S, University Marien Ngouabi, B.P 69 Brazzaville, CONGO Tathy C. 2 Moutou J.M. 3 BaroteMaqbul A. 1 Department of Physics, Azad college, Ausa-413520, Maharashtra, INDIA YadavAbhijit A. 2 Thin Film Research Laboratory, Department of Physics, Rajarshi Shahu Mahavidyalaya, Latur-413512, Maharashtra, INDIA SurywanshiRangrao V. 3 Thin film and Solar Studies Research Lab, Dept. of Physics, Solapur University, Solapur-413 003, Maharashtra, INDIA DeshmukhLalasaheb P. 4 MasumdarElahipasha U. 5 > Research Paper 2011 9 5 2012 January 18 A systematic study of the influence of thickness on the optical and electrical transport properties of PbSe thin films is reported in this study. The PbSe thin films were prepared on amorphous glass substrates by simple and cost effective chemical bath deposition technique at the substrate temperature 85C. The electrical resistivity measurement shows films are semiconducting and it decreases with increase in film thickness. Optical absorption studies show that the band-gap energy is decreased from 0.33 to 0.25 eV as the thickness of the film is increased from 335 to 638 nm. Copyright@ International Science Community Association