Pure TiO 2 and TiO 2<Nb> nanotubular arrays were successfully sensitized. Nanotubular arrays were prepared by electrochemical anodization of thin films of Ti and of Ti-Nb deposited on alumina substrates with two different roughness. Morphological characterization and functional properties are presented. The gas sensing properties of TiO 2 and TiO 2<Nb> nanotubes with different gases have been tested in a wide range of operating temperatures. © 2011 Published by Elsevier Ltd.
Fabrication of TiO 2 and TiO 2< Nb > nanotubular arrays and their gas sensing properties
AbstractPure TiO 2 and TiO 2
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