TiO2 Nanotubes: Recent advances in synthesis and gas sensing properties

Year: 2013

Authors: Galstyan V., Comini E., Faglia G., Sberveglieri G.

Autors Affiliation: Univ Brescia, Dept Informat Engn, Sensor Lab, and CNR INO, I-25133 Brescia, Italy

Abstract: Synthesis-particularly by electrochemical anodization-, growth mechanism and chemical sensing properties of pure, doped and mixed titania tubular arrays are reviewed. The first part deals on how anodization parameters affect the size, shape and morphology of titania nanotubes. In the second part fabrication of sensing devices based on titania nanotubes is presented, together with their most notable gas sensing performances. Doping largely improves conductivity and enhances gas sensing performances of TiO2 nanotubes.

Journal/Review: SENSORS

Volume: 13 (11)      Pages from: 14813  to: 14838

More Information: The research leading to these results has received funding from the Italian Ministry of Education through project FIRB \”Rete Nazionale di Ricerca sulle Nanoscienze ItalNanoNet\” (Protocollo: RBPR05JH2P, 2009-2013), Italian MIUR through the project FIRB RBAP115AYN \”Oxides at the nanoscale: multifunctionality and applications\”, European Communities 7th Framework Programme under grant agreement NMP3-LA-2010-246334, ORAMA and Region Lombardia (Italy) through the project \”Xnano\”.
KeyWords: titanium dioxide; nanotubes; electrochemical anodization; gas sensors;
DOI: 10.3390/s131114813

Citations: 141
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