Journal
NANOSCALE
Volume 4, Issue 5, Pages 1553-1556Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2nr11573e
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Funding
- European Commission [227179]
- Foundation for Polish Science [HOM/2009/12A, HOM/2009/12B]
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Nanostructuring of semiconductor films offers the potential means for producing photoelectrodes with improved minority charge carrier collection. Crucial to the effective operation of the photoelectrode is also the choice of a suitable electrolyte. The behaviour of the nanostructured WO3 photoanodes in methane sulfonic acid solutions, which allow one to obtain large, perfectly stable visible-light driven water splitting photocurrents, is discussed. The important effect of the electrolyte concentration upon the current distribution and the related photocurrent losses within the nanoporous photoelectrodes is pointed out.
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