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Modification of Parylene film-coated glass with TiO2 nanoparticles and its photocatalytic properties
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Perkas, Nina, Amirian, Galina, Girshevitz, Olga, Charmet, Jérôme, Laux, Edith, Guibert, Geoffroy, Keppner, Herbert and Gedanken, Aharon (2011) Modification of Parylene film-coated glass with TiO2 nanoparticles and its photocatalytic properties. Surface and Coatings Technology, 205 (10). pp. 3190-3197. doi:10.1016/j.surfcoat.2010.11.034 ISSN 0257-8972.
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Official URL: http://dx.doi.org/10.1016/j.surfcoat.2010.11.034
Abstract
A titania film was deposited on Parylene-coated glass by a one-step, ultrasound-assisted procedure. The TiO2 nanoparticles formed during the sonochemical hydrolysis of Ti(i-OPr)4 were thrown to the surface and strongly attached to the Parylene substrate. By using different solvents (water, ethanol or their mixture) and reagent concentrations, the thickness, uniformity and crystallinity of the deposited layer were regulated. PVP was used to stabilize the highly homogeneous distribution of TiO2 nanocrystals on the Parylene surface. The morphology and structure of the coated films were characterized by physical and chemical methods such as: X-ray diffraction (XRD), transmission electron microscopy (TEM), scanning electron microscopy (SEM), atomic force microscopy (AFM), Rutherford backscattering spectrometry (RBS), and optical spectroscopy. The photocatalytic activity of the titania-modified Parylene film in the photo discoloration of methylene blue was demonstrated. The experimental results revealed a correlation between the uniformity of the nanostructured anatase titania film and its photocatalytic properties.
Item Type: | Journal Article | ||||||||
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Divisions: | Faculty of Science, Engineering and Medicine > Engineering > WMG (Formerly the Warwick Manufacturing Group) | ||||||||
Journal or Publication Title: | Surface and Coatings Technology | ||||||||
Publisher: | Elsevier S.A. | ||||||||
ISSN: | 0257-8972 | ||||||||
Official Date: | 15 February 2011 | ||||||||
Dates: |
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Volume: | 205 | ||||||||
Number: | 10 | ||||||||
Page Range: | pp. 3190-3197 | ||||||||
DOI: | 10.1016/j.surfcoat.2010.11.034 | ||||||||
Status: | Peer Reviewed | ||||||||
Publication Status: | Published | ||||||||
Access rights to Published version: | Restricted or Subscription Access |
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