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@ARTICLE{CardenasMorcoso:877951,
author = {Cardenas-Morcoso, Drialys and García-Tecedor, Miguel and
Merdzhanova, Tsvetelina and Smirnov, Vladimir and Finger,
Friedhelm and Kaiser, Bernhard and Jaegermann, Wolfram and
Gimenez, Sixto},
title = {{A}n integrated photoanode based on non-critical raw
materials for robust solar water splitting},
journal = {Materials advances},
volume = {1},
number = {5},
issn = {2633-5409},
address = {Cambridge},
publisher = {Royal Society of Chemistry},
reportid = {FZJ-2020-02530},
pages = {1202-1211},
year = {2020},
abstract = {Herein, we have developed an integrated photoanode for
solar water splitting based on an “Earth-abundant”
Ni–Fe based electrocatalyst combined with a versatile
multijunction Si-based photovoltaic device, designed in such
a way to allow a direct coupling with the electrocatalyst
with minimal losses. The water oxidation catalyst was
prepared by electrochemical deposition of iron on a nickel
foil, followed by thermal annealing, leading to the
formation of NiO, α-Fe2O3, and NiFe2O4 phases. Detailed
structural and surface characterization revealed the effect
of the addition of different Fe contents and the subsequent
implications on the electrocatalytic performance. The
optimized integrated photoanode delivered a maximum
photocurrent density of 6.2 mA cm−2 at 0 V applied bias,
which corresponds to a $7.7\%$ of Solar-To-Hydrogen
conversion efficiency, which remained stable for more than
20 hours. These results pave the way towards large-scale,
efficient and low-cost solar energy conversion solutions
based on non-critical raw materials.},
cin = {IEK-5},
ddc = {540},
cid = {I:(DE-Juel1)IEK-5-20101013},
pnm = {121 - Solar cells of the next generation (POF3-121)},
pid = {G:(DE-HGF)POF3-121},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000613921500020},
doi = {10.1039/D0MA00355G},
url = {https://juser.fz-juelich.de/record/877951},
}