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Poly-ols Based Sol-Gel Synthesis of Zinc Oxide Thin Films

Naik, Gururaj V and Bhat, Navakanta (2011) Poly-ols Based Sol-Gel Synthesis of Zinc Oxide Thin Films. In: Journal of the Electrochemical Society, 158 (2). H85-H87.

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We demonstrate that the structural and optical properties of a sol-gel deposited zinc oxide thin film can be tuned by varying the composition of the sol, consisting of ethylene glycol and glycerol. A systematic study of the effect of the composition of sol on the mean grain size, thickness, and defect density of the zinc oxide film is presented. About 20% glycerol content in the sol is observed to improve the quality of the film, as evaluated by X-ray diffraction and photoluminescence studies. Thus, optimizing the composition of the sol for about 60 nm thick ZnO film using 20% glycerol resulted in the zinc oxide film that is about 80% transparent in visible spectrum, exhibiting electrical resistivity of about 18 Omega cm and field-effect mobility of 0.78 cm(2)/(V s). (C) 2010 The Electrochemical Society. DOI: 10.1149/1.3515894] All rights reserved.

Item Type: Journal Article
Publication: Journal of the Electrochemical Society
Publisher: The Electrochemical Society
Additional Information: Copyright of this article belongs to The Electrochemical Society.
Keywords: carrier mobility, crystal defects, electrical resistivity, grain size, II-VI semiconductors, organic compounds, photoluminescence; semiconductor thin films; sol-gel processing; visible spectra, wide band gap semiconductors, X-ray diffraction; zinc compounds
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Date Deposited: 08 Mar 2011 06:55
Last Modified: 08 Mar 2011 06:55
URI: http://eprints.iisc.ac.in/id/eprint/35892

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