Enhanced water splitting activity of M-doped Ta3N5 (M = Na, K, Rb, Cs)

Yuya Kado; Chong-Yong Lee; Kiyoung Lee; Julian Müller; Matthias Moll; Erdmann Spiecker; Patrik Schmuki

doi:10.1039/C2CC33822J

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Enhanced water splitting activity of M-doped Ta₃N₅ (M = Na, K, Rb, Cs)†

Yuya Kado,‡^a Chong-Yong Lee,^a Kiyoung Lee,^a Julian Müller,^b Matthias Moll,^c Erdmann Spiecker^b and Patrik Schmuki*^a

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* Corresponding authors

^a Department of Materials Science and Engineering, University of Erlangen-Nuremberg, Martensstrasse 7, D-91058 Erlangen, Germany
E-mail: schmuki@ww.uni-erlangen.de
Fax: +49 9131 85 275 75
Tel: +49 9131 85 275 82

^b Department of Materials Science and Engineering, Center for Nanoanalysis and Electron Microscopy (CENEM), University of Erlangen-Nuremberg, Cauerstrasse 6, D-91058 Erlangen, Germany

^c Department of Inorganic Chemistry, University of Erlangen-Nuremberg, Egerlandstrasse 1, D-91058 Erlangen, Germany

Abstract

We use a highly aligned Ta₂O₅ nanochannel structure to fabricate alkali metal ion (Na, K, Rb or Cs) doped Ta₃N₅via solution seeding and thermal conversion in NH₃. Under optimized conditions the resulting doped structures show a strongly enhanced visible light water splitting performance in comparison to undoped Ta₃N₅.

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Article information

DOI: https://doi.org/10.1039/C2CC33822J
Article type: Communication
Submitted: 28 May 2012
Accepted: 09 Jul 2012
First published: 09 Jul 2012

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Chem. Commun., 2012,48, 8685-8687

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Enhanced water splitting activity of M-doped Ta₃N₅ (M = Na, K, Rb, Cs)

Y. Kado, C. Lee, K. Lee, J. Müller, M. Moll, E. Spiecker and P. Schmuki, Chem. Commun., 2012, 48, 8685 DOI: 10.1039/C2CC33822J

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Chemical Communications