LaTiO2N/In2O3 photoanodes with improved performance for solar water splitting

Céline M. Leroy; Alexandra E. Maegli; Kevin Sivula; Takashi Hisatomi; Nicolas Xanthopoulos; Eugenio H. Otal; Songhak Yoon; Anke Weidenkaff; Rosendo Sanjines; Michaël Grätzel

doi:10.1039/C1CC16112A

LaTiO₂N/In₂O₃ photoanodes with improved performance for solar water splitting†‡

Céline M. Leroy,*^a Alexandra E. Maegli,^b Kevin Sivula,^a Takashi Hisatomi,^a Nicolas Xanthopoulos,^c Eugenio H. Otal,^b Songhak Yoon,^b Anke Weidenkaff,^b Rosendo Sanjines^d and Michaël Grätzel^a

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^a Laboratory of Photonics and Interfaces (LPI), Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland
E-mail: cema.leroy@gmail.com
Fax: +41 216 9 34111
Tel: +41 216 9 33624

^b Laboratory for Solid State Chemistry and Catalysis, Empa—Swiss Federal Laboratories for Materials Science and Technology, 8600 D, Switzerland

^c Interdisciplinary Centre for Electron Microscopy (CIME), Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland

^d Institute of Condensed Matter Physics, Ecole Polytechnique Fédérale de Lausanne (EPFL), 1015 Lausanne, Switzerland

Abstract

LaTiO₂N photoanodes for solar water splitting were prepared by electrophoretic deposition and demonstrated the best photocurrents ever reported for this material. Further important enhancement of the performance was obtained by the use of a sputtered In₂O₃ overlayer.

This article is part of the themed collection: Artificial Photosynthesis

Chemical Communications

LaTiO₂N/In₂O₃ photoanodes with improved performance for solar water splitting†‡

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LaTiO₂N/In₂O₃ photoanodes with improved performance for solar water splitting

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