Preparation and characterization of sol-gel TiO2 films by Atomic Force Microscopy

Ćurković, Lidija and Šegota, Suzana and Ljubas, Davor and Svetličić, Vesna (2010) Preparation and characterization of sol-gel TiO2 films by Atomic Force Microscopy. = Preparation and characterization of sol-gel TiO2 films by Atomic Force Microscopy. In: International conference on materials, tribology, recycling, MATRIB 2110, 23-25.06.2010., Vela Luka; Croatia.

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Official URL: http://bib.irb.hr/prikazi-rad?rad=474869

Abstract

Nanostructured titania (TiO2) films were deposited on the borosilicate glass substrate by sol-gel process using dip-coating method. For the preparation of TiO2 sols, the following components were used: titanium (IV) isopropoxide as the titanium precursor, ethanol as a solvent, acetic acid as a catalyst, acetylacetone for peptization, distilled water for gelation. Starting TiO2 solutions were prepared with and without the addition of polyethylene glycol (PEG) as organic/polymer additive. The surface morphology and the nanoscale roughness of TiO2 films were studied using the atomic force microscopy (AFM). AFM analysis confirmed the presence of nano-structured sol-gel titania films on the glass substrate. Roughness parameters (Ra, Rmax, Rq, Rz and Zmax) of a sol-gel TiO2 film with the addition of PEG are higher than the values for the sol-gel TiO2 film without the addition of PEG.

Item Type: Conference or Workshop Item (Poster)
Keywords (Croatian): Sol-gel Process; Transmittance; Scanning Electron Microscopy; Atomic Force
Subjects: TECHNICAL SCIENCE > Chemical engineering
TECHNICAL SCIENCE > Mechanical Engineering
TECHNICAL SCIENCE > Basic technical sciences
Divisions: 1000 Department of Materials > 1010 Chair of Materials and Tribology
500 Department of Energy, Power Engineering and Environment > 540 Chair of Water and Environmental Engineering
Indexed in Web of Science: No
Indexed in Current Contents: No
Date Deposited: 07 Jul 2015 08:44
Last Modified: 29 Aug 2017 12:27
URI: http://repozitorij.fsb.hr/id/eprint/4460

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