Physical Properties of Spray Pyrolysed CdS Thin Films

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Turkish Journal of Physics
Volume:27 Issue:6
Physical Properties of Spray Pyrolysed CdS Thin Films

Physical Properties of Spray Pyrolysed CdS Thin Films

Authors : A ASHOUR

Pages : 551-558

View : 19 | Download : 5

Publication Date : 0000-00-00

Article Type : Research Paper

Abstract :Cadmium sulphide insert ignore into journalissuearticles values(CdS); thin films were prepared by chemical spray-pyrolysis technique. Cleaned glass substrates were used. The substrate temperature was varied in the range 200 -- 400 °C and seems to be one of the more important parameters affecting the physical properties of the semiconductor. The films were characterized by X-ray diffraction insert ignore into journalissuearticles values(XRD);. XRD patterns indicated the presence of single-phase hexagonal CdS. The resistivity of the as-deposited films was found to vary in the range 103 - 105 W. Cm, depending on the substrate temperature. Direct band gap values of 2.39--2.42 eV were obtained from optical absorption measurements.
Keywords : CdS thin films, Spray pyrolysis, Structural characteristics, Electrical and optical properties

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