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Titania nanotubes prepared by anodization in fluorine-free acids

Published online by Cambridge University Press:  31 January 2011

C. Richter ,
E. Panaitescu ,
R. Willey  and
L. Menon
C. Richter
Affiliation:
Department of Chemical Engineering, Northeastern University, Boston, Massachusetts 02115
E. Panaitescu
Affiliation:
Department of Physics, Northeastern University, Boston, Massachusetts 02115
R. Willey
Affiliation:
Department of Chemical Engineering, Northeastern University, Boston, Massachusetts 02115
L. Menon*
Affiliation:
Department of Physics, Northeastern University, Boston, Massachusetts 02115
*
a)Address all correspondence to this author. e-mail: l.menon@neu.edu
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Abstract

Recently, we reported the discovery of new high-aspect ratio titania nanotubes. These nanotubes were synthesized by means of anodization in an oxalic acid electrolyte containing chlorine ions and were found to have significant carbon content. In this article, the synthesis of similar titania nanotubes in oxalic, formic, trichloroacetic, gluconic, hydrochloric, and sulfuric acid is reported. Differences in carbon content and morphology are analyzed, which in turn provides information on the chemistry of the formation of these nanotubes. Our results suggest that the carbon content in the nanotubes can be controlled by the use of an appropriate organic acid.

Keywords

Electrochemical synthesisNanostructureTi
Type
Articles
Information
Journal of Materials Research , Volume 22 , Issue 6 , June 2007 , pp. 1624 - 1631
Copyright
Copyright © Materials Research Society2007

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