Fabrication of pure and Nb-TiO2 nanotubes and their functional properties

Year: 2012

Authors: Galstyan V., Comini E., Vomiero A., Ponzoni A., Concina I., Brisotto M., Bontempi E., Faglia G., Sberveglieri G.

Autors Affiliation: Univ Brescia, Dept Chem & Phys, SENSOR Lab, I-25133 Brescia, Italy;
CNR IDASC, I-25133 Brescia, Italy;
Univ Brescia, Chem Tecchnol Lab, I-25133 Brescia, Italy;
Univ Brescia, INSTM, I-25133 Brescia, Italy

Abstract: TiO2 and Nb-doped TiO2 nanotubes were obtained on flexible polymeric substrates (Kapton HN) and alumina with high roughness (alumina substrate with granular surface). Nanotubes were prepared by electrochemical anodization of a Ti thick film. Scanning electron microscopy (SEM) and atomic force microscopy (AFM) were used to investigate the morphology of the structures and the roughness of the substrates. The functional properties of tubular arrays obtained on flexible and rough substrates were investigated towards two applications, namely, chemoresistive gas sensors and flexible dye sensitized solar cells. (c) 2011 Elsevier B.V. All rights reserved.


Volume: 536      Pages from: S488  to: S490

More Information: The research leading to these results has received funding from the European Community\’s 7th Framework Programme under grant agreement no 247768 S3 project and from CARIPLO foundation under grant no. 2008.2393. Authors are thankful to Dr. Laura Borgese for TXRF measurements.
DOI: 10.1016/j.jallcom.2011.12.076

Citations: 16
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