Nanocrystalline sol-gel prepared titania films by Raman, FTIR, XRD, and atomic force microscopy

Yahia Djaoued; Simona Badilescu; Pandurang V. Ashrit; Danilo Bersani; Pier Paolo Lottici; J. Robichaud

doi:10.1117/12.447375

31 October 2001 Nanocrystalline sol-gel prepared titania films by Raman, FTIR, XRD, and atomic force microscopy

Yahia Djaoued, Simona Badilescu, Pandurang V. Ashrit, Danilo Bersani, Pier Paolo Lottici, J. Robichaud

Proceedings Volume 4469, Raman Spectroscopy and Light Scattering Technologies in Materials Science; (2001) https://doi.org/10.1117/12.447375
Event: International Symposium on Optical Science and Technology, 2001, San Diego, CA, United States

Abstract

Nanocrystalline titania films were prepared by a complexing agent-assisted sol-gel dip-coating process. The effect of acetylacetone, diethanolamine and polyethylene glycol on the structure and morphology of the heat-treated titania films was examined by Raman and FTIR spectroscopy, x-ray diffraction and atomic force microscopy (AFM). The effect the complexing agents have on the anatase to rutile phase transition during the heat treatment process is studied. The understanding of this effect is expected to enhance our capacity to tailor the composition and morphology of films and thus their properties. The Raman and the infrared spectra of nanocrystalline titania films and the changes induced by the heat treatment were also investigated. We have studied the size of the crystallites in TiO₂ films and its dependence on the type of complexing agent used.

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Yahia Djaoued, Simona Badilescu, Pandurang V. Ashrit, Danilo Bersani, Pier Paolo Lottici, and J. Robichaud "Nanocrystalline sol-gel prepared titania films by Raman, FTIR, XRD, and atomic force microscopy", Proc. SPIE 4469, Raman Spectroscopy and Light Scattering Technologies in Materials Science, (31 October 2001); https://doi.org/10.1117/12.447375

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