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Proceedings Paper

Photoelectrochemical hydrogen production using nanostructured [alpha]-Fe2O3 electrodes
Author(s): Piers R. F. Barnes; Ian C. Plumb; Avi Bendavid; Phil J. Martin
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Paper Abstract

We report the methodology and fabrication of α-Fe2O3 nanostructured photoelectrodes for water splitting applications. Thin films of α-Fe2O3 (hematite) were deposited onto nanostructured substrates (ZnO nanowires and TiO2 nanotubes) using filtered arc deposition (FAD). It is proposed that such nanostructured electrodes can overcome the poor absorption and high charge carrier recombination of planar α-Fe2O3 films used for water splitting. Results of the characterization and optimization of the α-Fe2O3 films and the nanostructured substrates are presented. The filtered arc deposition technique is shown to produce high purity α-Fe2O3 films. Results of preliminary studies of silicon doping of the hematite films are presented. The filtered arc deposition technique is shown to be suitable for coating highly structured substrates.

Paper Details

Date Published: 8 September 2006
PDF: 12 pages
Proc. SPIE 6340, Solar Hydrogen and Nanotechnology, 63400N (8 September 2006); doi: 10.1117/12.678687
Show Author Affiliations
Piers R. F. Barnes, CSIRO Industrial Physics (Australia)
Ian C. Plumb, CSIRO Industrial Physics (Australia)
Avi Bendavid, CSIRO Industrial Physics (Australia)
Phil J. Martin, CSIRO Industrial Physics (Australia)

Published in SPIE Proceedings Vol. 6340:
Solar Hydrogen and Nanotechnology
Lionel Vayssieres, Editor(s)

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