Preparation and Properties of CdS Thin Films Deposited by Chemical Bath Deposition


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CdS thin films deposited on glass substrate are prepared by chemical bath deposition using the reaction between CdSO4 and CS (NH2)2. The composition, surface morphology and structural properties of as-deposited and annealed CdS thin films were studied using scanning electron microscopy (SEM), X-ray diffractometry (XRD), energy dispersive spectroscopy (EDS) and X-ray photoelectron spectroscopy (XPS) techniques. The results indicate that the dense, homogeneous polycrystalline CdS thin films with smooth surface can be obtained by chemical bath deposition. The CdS thin films have cubic structure and the ratio of S and Cd is 1:1 in CdS thin films. Optical properties of CdS films were measured with ultraviolet-visible spectrophotometer. The optical band gap energy (Eg) of film sample was found to be 2.31 eV.



Edited by:

Wu Fan




H. Y. Li et al., "Preparation and Properties of CdS Thin Films Deposited by Chemical Bath Deposition", Applied Mechanics and Materials, Vols. 110-116, pp. 1406-1410, 2012

Online since:

October 2011




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