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Impact of chemical treatment on the surface, structure, optical and electrical properties of SnS thin films

Reddy, Koteeswara N and Devika, M and Hahn, Yoon-Bong and Gunasekhar, KR (2013) Impact of chemical treatment on the surface, structure, optical and electrical properties of SnS thin films. In: APPLIED SURFACE SCIENCE, 268 . pp. 317-322.

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Official URL: http://dx.doi.org/10.1016/j.apsusc.2012.12.085

Abstract

The impact of chemical treatment on the surface morphology and other physical properties of tin monosulphide (SnS) thin films have been investigated. The SnS films treated with selected organic solvents exhibited strong improvement in their crystalline-quality and considerable decrease in electrical resistivity. Particularly, the films treated with chloroform showed very low electrical resistivity of similar to 5 Omega cm and a low optical band gap of 1.81 eV as compared to untreated and treated SnS films with other chemicals. From these studies we realized that the chemical treatment of SnS films has strong impact on their surface morphology and also on other physical properties. (C) 2012 Elsevier B.V. All rights reserved.

Item Type: Journal Article
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Additional Information: Copyright for this article belongs to ELSEVIER SCIENCE BV, NETHERLANDS
Keywords: SnS thin films;IV-VI semiconductors;Photovoltaic material;Chemical treated surfaces;Structural properties
Department/Centre: Division of Mechanical Sciences > Aerospace Engineering (Formerly, Aeronautical Engineering)
Other Centres/Units/UG Programme > Centre for Nano Science and Engineering
Division of Physical & Mathematical Sciences > Instrumentation and Applied Physics (Formally ISU)
Date Deposited: 28 Mar 2013 11:51
Last Modified: 28 Mar 2013 11:51
URI: http://eprints.iisc.ernet.in/id/eprint/46242

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