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

Title
Engineering a Cu2O/NiO/Cu2MoS4 hybrid photocathode for H2 generation in water
Other Titles
NiO
Author
Tran Dinh Phong
Issue Date
2014-03
Publisher
Royal Society of Chemistry
Citation
Nanoscale,v.6,no.12 2014년, pp.6506 - 6510
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.
URI
http://pubs.rsc.org/en/Content/ArticleLanding/2014/NR/C4NR00386A#!divAbstracthttp://hdl.handle.net/20.500.11754/50409
ISSN
2040-3364; 2040-3372
DOI
10.1039/C4NR00386A
Appears in Collections:
COLLEGE OF NATURAL SCIENCES[S](자연과학대학) > CHEMISTRY(화학과) > Articles
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