期刊
SENSORS AND ACTUATORS B-CHEMICAL
卷 209, 期 -, 页码 1091-1096出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2014.12.027
关键词
TiO2 nanotubes; Anodization; Chemical sensor
资金
- Italian Ministry of Education through project FIRB Rete Nazionale di Ricerca sulle Nanoscienze ItalNanoNet [RBPR05JH2P]
- Italian MIUR [FIRB RBAP115AYN]
- European Communities 7th Framework Programme [NMP3-LA-2010-246334]
- ORAMA and Region Lombardia (Italy) through the project Xnano
In this work we report about the synthesis and gas sensing properties of large surface area and stable biphase titania nanotubes. The nanosized tubular structures have been obtained by means of electrochemical anodization of thin Nb-Ti metallic films. Crystallization was accomplished by thermal annealing, to obtain biphase titania. The morphological analysis shows that the obtained structures are well-ordered and highly aligned titania nanotubes. Investigations of the structures' gas sensing properties show that they have high and reversible response towards H-2, CO, acetone and ethanol over a wide range of the operating temperatures. (C) 2014 Elsevier B.V. All rights reserved.
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