Review Article
Open Access
Structural and Characterization of Zinc Sulfide Thin film depoisted by Dip and Spin Coating method
M.Balachander1,2 , M. Saroja2, M.Venkatalachalam2, V. Kumar2,3 and S. Shankar2
1Department of Electronics, CMS College of Science & Commerce, Coimbatore, Tamil Nadu, India
2Thin film Centre, Erode Arts and Science College, Erode, Tamil Nadu, India.
3Robert Bosch Engineering & Business Solutions Ltd, Tamil Nadu, Coimbatore, India
M. Balachander et al /Int.J. Chemical Concepts. 2017,3(1),pp 145-149.
Abstract
A comparative study was carried out of Zns thin films deposited from sol – gel containing
Zinc Nitrate, Thiourea and Isoproponal. Zns films prepared by Dip coating and spin coating method.
Zns is an environmentally friendly material with wide band gap(Eg = 3.7 eV) compared to Cds(2.4eV),
which is conventionally used as buffer layer in chalcopyrite based solar cell. The crystal structure,
orientation and surface morphology were investigated by X-Ray diffractometer (XRD) and Scanning
Electron Microscopy (SEM). XRD pattern reveals the hexagonal structure of ZnS thin films. Optical
properties were studied using UV-visible spectroscopy. The film shows good optical properties with
high absorption and energy band gap value. These prepared films can be used for solar cell applications.
Keywords
Zinc Sulfide thin films; Dip Coating Method; Spin Coating Method; structual and optical properties.
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