Effect of pH on the surface morphology and structural properties of TiO2 nanocrystals prepared by simple sol-gel method

Document Type : Regular Paper

Authors

1 Department of Physics, Erode Sengunthar Engineering College, Erode

2 Department of Physics, Coimbatore Institute of Technology, Coimbatore, Tamilnadu, India

3 Department of Physics, P.S.G. College of Technology, Coimbatore, Tamilnadu, India

4 Department of Physics, Erode Sengunthar Engineering College, Erode, Tamilnadu, India

Abstract

Titanium dioxide nanocrystals were synthesized by sol-gel method at room temperature. Titanium isoprophoxide and absolute ethanol were used as precursors to prepare the sol. The pH of the solution was adjusted by adding nitric acid and sodium hydroxide solution. The prepared TiO2 nanocrystals were annealed at 325°C, 425°C and 525°C respectively. The effect of pH on the surface morphology and structural properties of TiO2 nanocrystals were studied.

Keywords

Iranian Journal of Science
Volume 38, Issue 2 - Serial Number 2
May and June 2014
Pages 187-191

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