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Issue 12, 2014
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Engineering a Cu2O/NiO/Cu2MoS4 hybrid photocathode for H2 generation in water

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Abstract

We report a scalable process for fabricating a multiple-layer hybrid photocathode, namely Cu2O/NiO/Cu2MoS4, for H2 generation in water. In pH 5 solution and under 1 sun illumination, the photocathode showed interesting photocatalytic properties. The onset photocurrent was recorded at +0.45 V vs. RHE, while at 0 V vs. RHE, a photocurrent density of 1.25 mA cm−2 was obtained. It was found that the NiO interlayer enhances charge transfer from the Cu2O light harvester to the Cu2MoS4 hydrogen evolution reaction electrocatalyst which in turn accelerates charge transfer at the electrode/electrolyte interface, and therefore improves the photocatalytic properties of the Cu2O photocathode.

Graphical abstract: Engineering a Cu2O/NiO/Cu2MoS4 hybrid photocathode for H2 generation in water

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The article was received on 21 Jan 2014, accepted on 05 Mar 2014 and first published on 06 Mar 2014


Article type: Communication
DOI: 10.1039/C4NR00386A
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Citation: Nanoscale, 2014,6, 6506-6510
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    Engineering a Cu2O/NiO/Cu2MoS4 hybrid photocathode for H2 generation in water

    C. Yang, P. D. Tran, P. P. Boix, P. S. Bassi, N. Yantara, Lydia. H. Wong and J. Barber, Nanoscale, 2014, 6, 6506
    DOI: 10.1039/C4NR00386A

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