Anodic formation of high aspect ratio, self-ordered Nb2O5 nanotubes

Wei Wei; Kiyoung Lee; Santosh Shaw; Patrik Schmuki

doi:10.1039/C2CC31007D

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Anodic formation of high aspect ratio, self-ordered Nb₂O₅ nanotubes†

Wei Wei,^a Kiyoung Lee,^a Santosh Shaw^a and Patrik Schmuki*^a

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* Corresponding authors

^a Department of Materials Science, WW4-LKO, University of Erlangen-Nürnberg, Martensstr. 7, D-91058 Erlangen, Germany
E-mail: schmuki@ww.uni-erlangen.de
Fax: +49-9131-852-7582
Tel: +49-9131-852-7575

Abstract

In the present work, we demonstrate the feasibility to form an aligned Nb₂O₅ nanotube layer by self-organizing anodization of Nb in a NH₄F–glycerol electrolyte. In order to achieve a nanotubular rather than a nanoporous layer, careful optimization of the anodization electrolyte is required. We show that only in a narrow window of electrolyte parameters highly aligned nanotubes of 50 nm inner diameter and several micrometres in length can be formed.

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Article information

DOI: https://doi.org/10.1039/C2CC31007D
Article type: Communication
Submitted: 11 Feb 2012
Accepted: 05 Mar 2012
First published: 05 Mar 2012

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Chem. Commun., 2012,48, 4244-4246

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Anodic formation of high aspect ratio, self-ordered Nb₂O₅ nanotubes

W. Wei, K. Lee, S. Shaw and P. Schmuki, Chem. Commun., 2012, 48, 4244 DOI: 10.1039/C2CC31007D

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