Glass substrates are used to deposit thin films utilizing basic and value effective chemical bath deposition (CBD) technique. The films were prepared from the mixture as solutions of manganous acetate tetrahydrate [C4H6MnO44H2O] as a manganese source, thiourea [(H2 N) 2 CS] as a sulfur source and triethanolamine (TEA) [(HOC2H4)3N] as a complexing agent.In the present paper the deposition was successfully done at 60 °C temperature. The absorption properties and band gap energy were determined employing double beam spectrophotometer. The optical band gap value calculated from absorption spectra of MnS thin film is found to be about 3.1eV.The MnS thin film was structurally characterized by X-ray Diffraction (XRD). The MnS thin film was morphologically characterized by Scanning Electron Microscopy (SEM) and elemental analysis was performed using EDS to confirm the formation of MnS.
Pure and Pb‐doped MnS thin films are prepared by chemical bath deposition (CBD) method onto glass substrates at 60 °C temperature. The films are characterized by X‐ray diffraction (XRD), scanning electron microscopy (SEM), energy dispersive X‐ray analysis, and optical absorption spectroscopy. The particle size of the crystalline is determined from the XRD patterns using Scherrer formula and is 47 nm for MnS thin films. The particle size shows a change in the case of the Pb‐doped film. The optical band gap of MnS thin film is found to be 3.1 eV, which decreases on doping with Pb. SEM graphs of doping of Pb in MnS confirmed the formation of spherical superstructure and indicate that the Pb2+ is successfully substituted into the MnS host structure of the Mn2+ site.
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