study the structural and optical properties of pure and lithium doped CdS thin films by chemical bath deposition method
DOI:
https://doi.org/10.31257/2018/JKP/2017/v9.i2.9236Keywords:
Structural properties, Optical properties, CdS Thin films, Doping, Chemical Bath DepositionAbstract
This research deals with the Preparation of pure and lithium doped CdS Thin Films by chemical bath deposition method , thickness (450±20)nm and the Preparation temperature (75ᵒC) . The results of XRD showed that the films had a polycrystalline hexagonal structure . The preferred orientation was along (002) plane. The average crystallite size Increasing with increasing The doping . The results of the ( AFM ) showed that the roughness and (RMS) value were increased with doping . Results (SEM) showed that the films were uniformly distributed and homogenous . The optical properties were studied by recording the Absorption and Transmittance spectra of the wavelength range from (300-1100)nm, It was found that Absorption increased and Transmittance decreased with increasing doping . It was also found that the Absorption Coefficient increased with increasing doping , Optical Energy Gap found decreased with increasing doping from (2.72 – 2.89 )eV.
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Copyright (c) 2023 Hussein Ali Noor, Dakhil Abbas AbdZaid
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