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Analytical Equivalent Optical Properties of CdS-CuxS Thin Films Deposited on Glass Substrate by Spray Pyrolysis

Authors: H.I. Nacsu --- V. Paposcu
Journal: Iraqi Journal of Applied Physics Letters الرسائل العراقية في الفيزياء التطبيقية ISSN: 1999656X Year: 2009 Volume: 2 Issue: 4 Pages: 37-40
Publisher: iraqi society for alternative and renewable energy sources and techniques الجمعية العراقية لمصادر وتقنيات الطاقة البديلة والمستجدة

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Abstract

Multi-layered, firmly adherent, optically clear CdS/CuxS films were deposited by spray pyrolysis on glass substrate. The glass/CdS/CuxS system was investigated. Firstly, CdS films were deposited using a solution containing CdCl2 and thiourea. For CuxS films deposition the solution used consisted on CuCl2 and thiourea. Multilayered films were also deposited. Mixed films of copper and cadmium sulfides were also deposited from solutions containing both copper and cadmium salts and thiourea on heated glass substrates, by spray pyrolysis. Visible transmission spectra were recorded for CdS/CuxS films. The film characteristics depend on the concentration and the molar ratio of cadmium and copper salts. These thin layers may be applied in solar control coatings, leading to important energy saving for air conditioning devices used for cars or other closed spaces.

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