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Royal Society of Chemistry, Physical Chemistry Chemical Physics, 46(15), p. 20000, 2013

DOI: 10.1039/c3cp52890a

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MoS2—an integrated protective and active layer on n+p-Si for solar H2 evolution

Journal article published in 2013 by Anders B. Laursen, Thomas Pedersen, Paolo Malacrida, Brian Seger, Ole Hansen ORCID, Peter C. K. Vesborg ORCID, Ib Chorkendorff ORCID
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This paper is available in a repository.

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Abstract

A new MoS2 protected n(+)p-junction Si photocathode for the renewable H2 evolution is presented here. MoS2 acts as both a protective and an electrocatalytic layer, allowing H2 evolution at 0 V vs. RHE for more than 5 days. Using a MoSx surface layer decreases the overpotential for H2 evolution by 200 mV.