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@ARTICLE{Nogueira:862302,
author = {Nogueira, André E. and Oliveira, Jéssica A. and da Silva,
Gelson T. S. T. and Ribeiro, Caue},
title = {{I}nsights into the role of {C}u{O} in the {CO}2
photoreduction process},
journal = {Scientific reports},
volume = {9},
number = {1},
issn = {2045-2322},
address = {[London]},
publisher = {Macmillan Publishers Limited, part of Springer Nature},
reportid = {FZJ-2019-02640},
pages = {1316},
year = {2019},
abstract = {The CO2 photoreduction process to produce light
hydrocarbons is known to be influenced by the presence of
CuO nanoparticles, but the actual role of this material,
whether as a catalyst or a reactant, has not yet been
revealed. In this work, we investigate the role of CuO
nanoparticles produced by a solvothermal method as a
catalyst in CO2-saturated water reaction media under UV
light, considering the effects of different electrolytes
(Na2C2O4, KBrO3, and NaOH) and temperatures on nanoparticle
phase and activity. The electrolyte strongly influenced
product selectivity (NaOH led to evolution of CH4, Na2C2O4
to CO, and KBrO3 to O2) and induced CuO phase change. A
long-term analysis of these processes indicated that during
the initial steps, CuO acted as a reactant, rather than as a
catalyst, and was converted to CuCO3.Cu(OH)2, while the
as-converted material acted as a catalyst in CO2
photoreduction, with conversion values comparable to those
reported in the literature.},
cin = {IEK-3},
ddc = {600},
cid = {I:(DE-Juel1)IEK-3-20101013},
pnm = {134 - Electrolysis and Hydrogen (POF3-134)},
pid = {G:(DE-HGF)POF3-134},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:30718712},
UT = {WOS:000457616300204},
doi = {10.1038/s41598-018-36683-8},
url = {https://juser.fz-juelich.de/record/862302},
}