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Journal of Sol-Gel Science and Technology
Erschienen in: Journal of Sol-Gel Science and Technology 2/2012

01.11.2012

Thickness effects in naturally superhydrophilic TiO2–SiO2 nanocomposite films deposited via a multilayer sol–gel route

verfasst von: C. Holtzinger, L. Rapenne, P. Chaudouët, G. Berthomé, M. Langlet

Erschienen in: Journal of Sol-Gel Science and Technology | Ausgabe 2/2012

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Abstract

TiO2–SiO2 nanocomposite films of various thicknesses have been deposited via a multilayer sol–gel route. These films exhibit a natural and persistent superhydrophilicity, which allows considering new applications for easy to clean surfaces. Atomic force microscopy, scanning and transmission electron microscopy, as well as ellipsometry and UV/visible spectrometry measurements, were performed to study how the multilayer procedure influenced the morphology and composition of composite films in relation to their thickness. The natural and photo-induced wettability of these films was studied and discussed in relation to morphology, composition, and thickness features. It is concluded that, while such features did not significantly influence the natural wettability of nanocomposite films, their photo-induced wettability was considerably enhanced when increasing their thickness, which favored a faster superhydrophilicity photo-regeneration when this natural property started to disappear after a long aging period in ambient atmosphere.
Vorheriger Artikel Fire retardancy effects in single and double layered sol–gel derived TiO2 and SiO2-wood composites
Nächster Artikel Fabrication of surface: relief gratings and their laser induced damage resistance properties

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Metadaten
Titel
Thickness effects in naturally superhydrophilic TiO2–SiO2 nanocomposite films deposited via a multilayer sol–gel route
verfasst von
C. Holtzinger
L. Rapenne
P. Chaudouët
G. Berthomé
M. Langlet
Publikationsdatum
01.11.2012
Verlag
Springer US
Erschienen in
Journal of Sol-Gel Science and Technology / Ausgabe 2/2012
Print ISSN: 0928-0707
Elektronische ISSN: 1573-4846
DOI
https://doi.org/10.1007/s10971-012-2878-4

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