Issue 9, 2014

Long-term durable silicon photocathode protected by a thin Al2O3/SiOx layer for photoelectrochemical hydrogen evolution

Abstract

The long-term steady production of H2 is vital for p-Si photocathodes. However, the oxidation of a Si photoelectrode substantially deteriorates its performance, over time. This study demonstrates that a thin Al2O3 layer deposited over the Si can prevent oxidation and also reduce overpotential, via a surface passivation effect.

Graphical abstract: Long-term durable silicon photocathode protected by a thin Al2O3/SiOx layer for photoelectrochemical hydrogen evolution

Supplementary files

Article information

Article type
Communication
Submitted
31 Oct 2013
Accepted
04 Dec 2013
First published
04 Dec 2013

J. Mater. Chem. A, 2014,2, 2928-2933

Long-term durable silicon photocathode protected by a thin Al2O3/SiOx layer for photoelectrochemical hydrogen evolution

M. J. Choi, J. Jung, M. Park, J. Song, J. Lee and J. H. Bang, J. Mater. Chem. A, 2014, 2, 2928 DOI: 10.1039/C3TA14443G

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