Effect of Annealing Temperature on TiO2 Nanostructured Prepared by Sol-Gel Method

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Titanium Dioxide, TiO2 is one of the potential semiconductor materials. TiO2 has much application such as for pigments, oxygen sensors, and photocatalyst. Recently, the researcher study on the other application and revealed that this material has a great potential to be use in nanocoating area. The objective of this paper is to produce TiO2 nanostructured prepared by sol-gel method. Sol-gel was carried out using tetra (IV) isopropoxide (TTIP), absolute ethanol, Acetic Acid Glacial (GAA), Triton-X-100 and deionized water and all the solution was mixing by continuous stirring and heating. After finished prepare the sol-gel, solution will be spin coated onto glass substrate and annealed with different temperature for 2 hours. The particles were analyzed using Raman Spectroscopy to observe the crystallographic phase, and the morphology was evaluated through Atomic Force Microscopy (AFM). As a result, TiO2 that annealed at 450°C shows the better nanostructured compared to other annealing temperature. Keywords: Titanium Dioxide (TiO2); Sol-gel method ; Spin-coating ; Annealing process ; Raman spectroscopy

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763-766

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November 2013

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© 2014 Trans Tech Publications Ltd. All Rights Reserved

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DOI: 10.4028/www.scientific.net/amr.364.12

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