Abstract
This paper presents the study of the structural and optical properties of cadmium Sulfide thin films prepared by pulsed Nd:YAG laser. Thin films were deposited at 400mj laser energy at different substrate temperature. The crystallographic structure and the grain size were studied by the AFM, it was found these films have grain size in a range (90-120) nm at substrate temperature (200, 225, 275 and 300)C respectively.To study the optical properties, the absorbance and transmittance spectra have been recorded in the range of wavelength (300-900) nm. The optical energy band gap was determined for allowed direct electronic transition. It was found that the band gap decrease with the substrate temperature increases.
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