Structure and optical properties of chemically synthesized titanium oxide deposited by evaporation technique

Ali, Hapipah Mohd and El-Shorbagy, M.M. and Abou-Mesalam, M.M. (2010) Structure and optical properties of chemically synthesized titanium oxide deposited by evaporation technique. Journal of Physics and Chemistry of Solids, 71 (1). pp. 51-55. ISSN 0022-3697, DOI

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Titanium oxide inorganic ion exchange material was synthesized by hydrolysis with water and ammonia solution. Structural feature of the synthesized titanium oxide was analyzed using X-ray diffraction, X-ray fluorescence and infrared spectrometer technique. Tentative formula of titanium oxide was determined and written as TiO(2) center dot 0.58H(2)O. Titanium oxide films were deposited on glass substrates by means of an electron beam evaporation technique at room temperature from bulk sample. The films were annealed at 250, 350, 450, and 550 degrees C temperatures. Transmittance, reflectance, optical energy gap, refractive index and extinction coefficient were investigated. The transmittance values of 85% in the visible region and 88% in the near infrared region have been obtained for titanium oxide film annealed at 550 degrees C. Kubelka-Munk function was used to evaluate the absorption coefficient which was used to determine the optical band gap. It was found that the optical band gap increases with increasing annealing temperature whereas the refractive index and extinction coefficient decreases. (C) 2009 Elsevier Ltd. All rights reserved.

Item Type: Article
Additional Information: Department of Chemistry, Faculty of Science Building, University of Malaya, 50603 Kuala Lumpur, MALAYSIA
Uncontrolled Keywords: Sol-gel technique; Thin films; Optical properties
Subjects: Q Science > QD Chemistry
Divisions: Faculty of Science > Department of Chemistry
Depositing User: Miss Malisa Diana
Date Deposited: 01 Apr 2013 04:20
Last Modified: 29 Jan 2019 08:59

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