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

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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.

Original languageEnglish
JournalPhysical Chemistry Chemical Physics
Issue number46
Pages (from-to)20000-20004
Publication statusPublished - 2013

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