Nb doped TiO2 nanotubes for enhanced photoelectrochemical water-splitting

Chittaranjan Das; Poulomi Roy; Min Yang; Himendra Jha; Patrik Schmuki

doi:10.1039/C1NR10539F

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Nb doped TiO₂nanotubes for enhanced photoelectrochemical water-splitting†

Chittaranjan Das,^a Poulomi Roy,^a Min Yang,^a Himendra Jha^a and Patrik Schmuki*^a

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* Corresponding authors

^a Department of Materials Science, LKO, University of Erlangen-Nuremberg, Martensstr. 7, Erlangen, Germany
E-mail: schmuki@ww.uni-erlangen.de
Fax: +49 (0)9131 852 7582

Abstract

Nanostructured titanium dioxide is one of the classic materials for photoelectrochemical water splitting. In the present work we dope TiO₂ nanotube anodes. For this, various low concentration bulk-Nb-doped TiO₂ nanotube layers were grown by self-organizing anodization of Ti–Nb alloys. At Nb-contents around 0.1 at%, and after an adequate heat-treatment, a strongly increased and stable photoelectrochemical water-splitting rate is obtained.

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Article information

DOI: https://doi.org/10.1039/C1NR10539F
Article type: Communication
Submitted: 27 May 2011
Accepted: 15 Jun 2011
First published: 14 Jul 2011

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Nanoscale, 2011,3, 3094-3096

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Nb doped TiO₂ nanotubes for enhanced photoelectrochemical water-splitting

C. Das, P. Roy, M. Yang, H. Jha and P. Schmuki, Nanoscale, 2011, 3, 3094 DOI: 10.1039/C1NR10539F

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