Abstract

Solar control coatings used in architectural glazings of buildings in warm climates should exhibit controlled optical transmittance (10-50%) in the visible region and must reflect effectively (90%) in the IR region. Physical vapour deposited CdSexTe1-x thin films were studied for solar control applications. The films were characterised with respect to film parameters such as film thickness, substrate temperature and deposition rate to get films with good solar control characteristics. The solar control characteristics of the films were calculated in the range 0.40-2.40 mu m. It was observed that the solar control parameters of the films are composition dependent but depend also on the above film parameters. CdSexTe1-x thin films of thickness about 0.1 mu m exhibited better solar control characteristics than metallic coatings and other films such as CuxS and PbS.

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