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Semi-transparent ordered TiO2 nanostructures prepared by anodization of titanium thin films deposited onto the FTO substrate
Abstract
In a significant amount of cases, the highly ordered TiO2nanotube arrays grow through anodic oxidationof a titanium metal plate immersed in electrolyte containing fluoride ions. However, for some practicalapplications, e.g. solar cells or electrochromic windows, the semi-transparent TiO2formed directly onthe transparent, conductive substrate is very much desired. This work shows that high-quality Ti coatingcould be formed at room temperature using an industrial magnetron sputtering system within 50 min.Under optimized conditions, the anodization process was performed on 2 m titanium films depositedonto the FTO (fluorine-tin-oxide) support. Depending on the electrolyte type, highly ordered tubular orporous titania layers were obtained. The fabricated samples, after their thermal annealing, were inves-tigated using scanning electron microscopy, Raman spectroscopy and UV–vis spectroscopy in order toinvestigate their morphology, crystallinity and absorbance ability. The photocurrent response curves indi-cate that materials are resistant to the photocorrosion process and their activity is strongly connectedto optical properties. The most transparent TiO2films were fabricated when Ti was anodized in waterelectrolyte, whereas the highest photocurrent densities (12 A cm−2) were registered for titania receivedafter Ti anodization in ethylene glycol solution. The obtained results are of significant importance in theproduction of thin, semi-transparent titania nanostructures on a commercial scale
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Authors (6)
-
Katarzyna Grochowska
- PAN .
-
Łukasz Skowroński
- PAN .
-
Katarzyna Siuzdak
- . .
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Details
- Category:
- Articles
- Type:
- artykuł w czasopiśmie wyróżnionym w JCR
- Published in:
-
APPLIED SURFACE SCIENCE
no. 381,
pages 36 - 41,
ISSN: 0169-4332 - Language:
- English
- Publication year:
- 2016
- Bibliographic description:
- Szkoda M., Lisowska-Oleksiak A., Grochowska K., Skowroński Ł., Karczewski J., Siuzdak K.: Semi-transparent ordered TiO2 nanostructures prepared by anodization of titanium thin films deposited onto the FTO substrate// APPLIED SURFACE SCIENCE. -Vol. 381, (2016), s.36-41
- DOI:
- Digital Object Identifier (open in new tab) 10.1016/j.apsusc.2015.12.126
- Verified by:
- Gdańsk University of Technology
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