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Influence of deposition time on the properties of chemical bath deposited manganese sulfide thin films

Author(s): Anuar Kassim | Abdul Halim Abdullah | Ho Soon Min | Saravanan Nagalingam

Journal: Avances en QuĂ­mica
ISSN 1856-5301

Volume: 5;
Issue: 3;
Start page: 141;
Date: 2010;
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Keywords: Optical properties | Manganese sulfide | Thin films | X-ray diffraction

Manganese sulfide thin films were chemically deposited from an aqueous solution containing manganese sulfate, sodium thiosulfate and sodium tartrate. The influence of deposition time (2, 3, 6 and 8 days) on the properties of thin films was investigated. The structure and surface morphology of the thin films were studied by X-ray diffraction and atomic force microscopy, respectively. In addition, in order to investigate the optical properties of the thin films, the UV-visible spectrophotometry was used. The XRD results indicated that the deposited MnS2 thin films exhibited a polycrystalline cubic structure. The number of MnS2 peaks on the XRD patterns initially increased from three to six peaks and then decreased to five peaks, as the deposition time was increased from 2 to 8 days. From the AFM measurements, the film thickness and surface roughness were found to be dependent on the deposition time.
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