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Synthesis and Properties of Titania Nanotube Doped with Small Amount of Cations

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Abstract:

We have investigated a synthesis of metal (Nb, V, Cr, Mn, Co) -doped titania nanotubes using a solution chemical processing in order to control optical and electrical properties. Titania nanotubes doped with a small amount of cations up to 1 wt% exhibited similar morphology and XRD pattern as the pure titania nanotubes, however, color of nanotubes was changed depending on the dopants. It was found that Cr, Mn and Co doped titania nanotubes formed new absorption bands in UV spectra. On the other hand, electrical resistivity of doped titania nanotubes was lower than that of pure titania nanotubes.

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Info:

Periodical:

Key Engineering Materials (Volumes 317-318)

Pages:

251-254

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.317-318.251

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Cite this paper

Online since:

August 2006

Authors:

Tohru Sekino, Takumi Okamoto, Tomoko Kasuga, Takafumi Kusunose, Tadachika Nakayama, Koichi Niihara

Keywords:

Cation, Chemical Processing, Conductivity, Doping, Nanotube, Titania

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