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Statements

Subject Item
n2:RIV%2F00216208%3A11320%2F10%3A10071351%21RIV11-GA0-11320___
rdf:type
skos:Concept n16:Vysledek
dcterms:description
We have studied change of surface oxidation state of cerium oxide affected by Rh deposition, and interaction with gas molecules. Oriented films of CeO2(1 1 1)/Cu(1 1 1) were used as prepared (stoichiometric) as well as reduced by soft Ar+ sputtering. Rhodium was evaporated onto these substrates. Prepared Rh/CeO2 samples were exposed to molecules CO and H2O. We have measured, core level, valence band and resonant photoemission spectra after every experimental step comparing our results of the behaviour of both samples (stoichiometric and reduced before Rh deposition) with regard to oxidation or reduction of the cerium oxide surface. We have demonstrated that resonant spectroscopy represents a good and sensitive tool to observe the, oxidation state of cerium providing tool for the interpretation of catalytic reaction. We have studied change of surface oxidation state of cerium oxide affected by Rh deposition, and interaction with gas molecules. Oriented films of CeO2(1 1 1)/Cu(1 1 1) were used as prepared (stoichiometric) as well as reduced by soft Ar+ sputtering. Rhodium was evaporated onto these substrates. Prepared Rh/CeO2 samples were exposed to molecules CO and H2O. We have measured, core level, valence band and resonant photoemission spectra after every experimental step comparing our results of the behaviour of both samples (stoichiometric and reduced before Rh deposition) with regard to oxidation or reduction of the cerium oxide surface. We have demonstrated that resonant spectroscopy represents a good and sensitive tool to observe the, oxidation state of cerium providing tool for the interpretation of catalytic reaction.
dcterms:title
Photoemission study of Rh/CeO2/Cu(1 1 1) system-Oxidation state, stability and interaction with adsorbed gases Photoemission study of Rh/CeO2/Cu(1 1 1) system-Oxidation state, stability and interaction with adsorbed gases
skos:prefLabel
Photoemission study of Rh/CeO2/Cu(1 1 1) system-Oxidation state, stability and interaction with adsorbed gases Photoemission study of Rh/CeO2/Cu(1 1 1) system-Oxidation state, stability and interaction with adsorbed gases
skos:notation
RIV/00216208:11320/10:10071351!RIV11-GA0-11320___
n3:aktivita
n8:Z n8:S n8:P
n3:aktivity
P(GA202/07/0782), S, Z(MSM0021620834)
n3:cisloPeriodika
2-3
n3:dodaniDat
n4:2011
n3:domaciTvurceVysledku
n12:6121926 n12:4379462 n12:2563592 n12:4895487 n12:3283968
n3:druhVysledku
n19:J
n3:duvernostUdaju
n7:S
n3:entitaPredkladatele
n18:predkladatel
n3:idSjednocenehoVysledku
278828
n3:idVysledku
RIV/00216208:11320/10:10071351
n3:jazykVysledku
n15:eng
n3:klicovaSlova
reduction; oxidation; rhodium; cerium oxide; photoelectron spectroscopy
n3:klicoveSlovo
n5:photoelectron%20spectroscopy n5:reduction n5:cerium%20oxide n5:rhodium n5:oxidation
n3:kodStatuVydavatele
NL - Nizozemsko
n3:kontrolniKodProRIV
[2DA159509988]
n3:nazevZdroje
Journal of Electron Spectroscopy and Related Phenomena
n3:obor
n11:BM
n3:pocetDomacichTvurcuVysledku
5
n3:pocetTvurcuVysledku
6
n3:projekt
n17:GA202%2F07%2F0782
n3:rokUplatneniVysledku
n4:2010
n3:svazekPeriodika
181
n3:tvurceVysledku
Tsud, Nataliya Zahoranová, Tatiana Nehasil, Václav Skála, Tomáš Ševčíková, Klára Libra, Jiří
n3:wos
000281932100029
n3:zamer
n9:MSM0021620834
s:issn
0368-2048
s:numberOfPages
5
n14:organizacniJednotka
11320