Srivastava, A. K. and Deepa, M and Bhandari, S and Fuess, H (2009) Tunable Nanostructures and Crystal Structures in Titanium Oxide Films. Nanoscale Research Letters, 4 (1). pp. 54-62. ISSN 1931-7573 (Print) 1556-276X (Online)
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Official URL: http://www.springerlink.com/content/a486j3k7043417...
Abstract
Controllable nanostructures in spin coated titanium oxide (TiO2) films have been achieved by a very simple means, through change of post deposition annealing temperature. Electron beam imaging and reciprocal space analysis revealed as-deposited TiO2 films to be characterized by a dominant anatase phase which converts to the rutile form at 600 °C and reverts to the anatase modification at 1,200 °C. The phase changes are also accompanied by changes in the film microstructure: from regular nanoparticles (as-deposited) to nanowires (600 °C) and finally to dendrite like shapes at 1,200 °C. Photoluminescence studies, Raman spectral results, and X-ray diffraction data also furnish evidence in support of the observed solid state phase transformations in TiO2.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Nanostructured TiO2 - Phase transformations - Photoluminescence - Spectroscopy |
| Subjects: | Material Science > Nanofabrication processes and tools Material Science > Nanostructured materials |
| ID Code: | 3657 |
| Deposited By: | Lesley Tobin |
| Deposited On: | 19 Jan 2009 13:32 |
| Last Modified: | 12 Feb 2009 17:32 |
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