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Influence of the heating temperature on the properties of nickel doped TiO2 films prepared by sol–gel method

✍ Scribed by V. Kisand; U. Joost; V. Reedo; R. Pärna; T. Tätte; J. Shulga; A. Saar; L. Matisen; A. Kikas; I. Kink

Publisher
Elsevier Science
Year
2010
Tongue
English
Weight
805 KB
Volume
256
Category
Article
ISSN
0169-4332

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✦ Synopsis

Formation and properties of nickel doped TiO 2 films prepared by sol-gel method were studied using X-ray photoelectron spectroscopy, X-ray diffraction, atomic force microscopy, and energy dispersive X-ray analysis. The results demonstrate that sizes of TiO 2 crystallites increase with increasing heating temperature. Also, at temperatures above 800 • C diffusion of nickel onto the surfaces results in increased concentrations of nickel compounds on the surfaces. Similar to pure TiO 2 films the light-induced modification of hydrophilicity is observed also in the case of nickel doped TiO 2 films.

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