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Morphology evolution during annealing and electrical conductivity of titania nanotube films

Xiong, Jianyu, Wang, Yu, An, Yang, Wen, Ming, Ding, Yunfei, Li, Yuncang and Hodgson, Peter 2012, Morphology evolution during annealing and electrical conductivity of titania nanotube films, Advanced materials research, vol. 399-401, pp. 548-551.

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Title Morphology evolution during annealing and electrical conductivity of titania nanotube films
Author(s) Xiong, Jianyu
Wang, Yu
An, Yang
Wen, Ming
Ding, Yunfei
Li, Yuncang
Hodgson, Peter
Journal name Advanced materials research
Volume number 399-401
Start page 548
End page 551
Total pages 4
Publisher Trans Tech Publications
Place of publication Stafa-Zurich, Switzerland
Publication date 2012
ISSN 1022-6680
Keyword(s) annealing
conductivity
morphology
titania nanotubes
Summary Titania nanotube films were produced by anodization of titanium foil. The titania nanotube films were annealed at different temperatures. Morphology evolution, phase transformation and electrical conductivity of the titania nanotubes were studied. Results showed that the nanotube walls became rough, porous and even collapsed after annealed at 400, 500 and 600°C respectively. Titania anatase phase formed after annealed at 400°C; the amount of anatase phase increased as the annealing temperature increased. The conductivity of the nanotube film annealed at 400°C was improved greatly compared with the conductivity of the as-anodized nanotube film. However, the conductivity of the nanotube films annealed at higher temperatures decreased. The effect of the morphology on the electronic conductivity of the titania nanotube films was discussed.
Notes Article first available online 22nd November 2011
Language eng
Field of Research 091207 Metals and Alloy Materials
090399 Biomedical Engineering not elsewhere classified
Socio Economic Objective 861206 Structural Metal Products
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2012, Trans Tech Publications, Switzerland
Persistent URL http://hdl.handle.net/10536/DRO/DU:30044098

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