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@ARTICLE{Zabilskiy:454742,
author = {Zabilskiy, Maxim and Arčon, Iztok and Djinović, Petar and
Tchernychova, Elena and Pintar, Albin},
title = {{I}n‐situ {XAS} study of catalytic {N}$_{2}${O}
decomposition over {C}u{O}/{C}e{O}$_{2}$ catalysts},
journal = {ChemCatChem},
volume = {13},
number = {7},
issn = {1867-3899},
address = {Weinheim},
publisher = {WILEY-VCH Verlag},
reportid = {PUBDB-2021-00706},
pages = {1814 - 1823},
year = {2021},
abstract = {We performed in‐situ XAS study of N$_{2}$O decomposition
over CuO/CeO$_{2}$ catalysts. The Cu K‐edge and Ce L$_{3}$
‐edge XANES and EXAFS analyses revealed the dynamic and
crucial role of Cu$^{2+}$/Cu + and Ce$^{4+}$ /Ce$^{3+}$
ionic pairs during the catalytic reaction. We observed the
initial formation of reduced Cu + and Ce$^{3+}$ species
during activation in helium atmosphere at 400 °C, while
concentration of these species decreased significantly
during steady‐state nitrous oxide degradation reaction
(2500 ppm N$_{2}$O in He at 400 °C). In‐situ EXAFS
analysis further revealed a crucial role of copper‐ceria
interface in this catalytic reaction. We observed dynamic
changes in average number of Cu‐Ce scatters under reaction
conditions, indicating an enlarging the interface between
both copper and ceria phases, where electron and oxygen
transfer occurs.},
cin = {DOOR ; HAS-User},
ddc = {540},
cid = {I:(DE-H253)HAS-User-20120731},
pnm = {6G3 - PETRA III (DESY) (POF4-6G3) / FS-Proposal: I-20180898
EC (I-20180898-EC) / FS-Proposal: I-20160044 EC
(I-20160044-EC) / CALIPSOplus - Convenient Access to Light
Sources Open to Innovation, Science and to the World
(730872)},
pid = {G:(DE-HGF)POF4-6G3 / G:(DE-H253)I-20180898-EC /
G:(DE-H253)I-20160044-EC / G:(EU-Grant)730872},
experiment = {EXP:(DE-H253)P-P65-20150101},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000616562900001},
doi = {10.1002/cctc.202001829},
url = {https://bib-pubdb1.desy.de/record/454742},
}