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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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Supplementary files

Article information


Submitted
21 Jan 2014
Accepted
05 Mar 2014
First published
06 Mar 2014

Nanoscale, 2014,6, 6506-6510
Article type
Communication
Author version available

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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