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Synthesis of coaxial nanotubes: Titanium oxide sheathed with silicon oxide

Published online by Cambridge University Press:  31 January 2011

Ming Zhang ,
Y. Bando  and
K. Wada
Ming Zhang
Affiliation:
National Institute for Research in Inorganic Materials, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
Y. Bando*
Affiliation:
National Institute for Research in Inorganic Materials, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
K. Wada
Affiliation:
National Institute for Research in Inorganic Materials, 1-1 Namiki, Tsukuba, Ibaraki 305-0044, Japan
*
a)Address all correspondence to this author.
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Abstract

The TiO2–SiO22 composite nanotubes with coaxial structure synthesized by sol-gel template method were presented. This process included 2 steps: first, grow SiO22 nanotubes in the pores of anodic alumina with a diameter of 200–250 nm; second, form TiO2 nanotubes within the SiO22 nanotubes. The TiO2 nanotubes with intact SiO22 sheaths were more uniform than those with sheaths partly removed. The existence of Ti–O–Si bonds and the amorphous sheaths is supposed to take an important role in the formation of composite nanotubes.

Type
Articles
Information
Journal of Materials Research , Volume 16 , Issue 5 , May 2001 , pp. 1408 - 1412
Copyright
Copyright © Materials Research Society 2001

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