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Statements

Subject Item
n2:RIV%2F00216208%3A11320%2F12%3A10129682%21RIV13-MSM-11320___
rdf:type
skos:Concept n11:Vysledek
rdfs:seeAlso
http://dx.doi.org/10.1016/j.jcat.2011.09.002
dcterms:description
We have employed resonant photoemission spectroscopy to investigate the phenomenon of hydrogen spillover on well-defined model Pt/ceria catalysts. On Pt/CeO2(111)/Cu(111), hydrogen spillover and reverse spillover give rise to reversible changes of the oxidation state of the surface cerium ions. These changes are monitored with highest sensitivity via resonant enhancement of Ce3+- and Ce4+-related features in the valence band photoemission spectra. The temperature regions are precisely determined in which specific processes such hydrogen spillover, Ce3+ transport, and reverse spillover are activated. We have employed resonant photoemission spectroscopy to investigate the phenomenon of hydrogen spillover on well-defined model Pt/ceria catalysts. On Pt/CeO2(111)/Cu(111), hydrogen spillover and reverse spillover give rise to reversible changes of the oxidation state of the surface cerium ions. These changes are monitored with highest sensitivity via resonant enhancement of Ce3+- and Ce4+-related features in the valence band photoemission spectra. The temperature regions are precisely determined in which specific processes such hydrogen spillover, Ce3+ transport, and reverse spillover are activated.
dcterms:title
Hydrogen spillover monitored by resonant photoemission spectroscopy Hydrogen spillover monitored by resonant photoemission spectroscopy
skos:prefLabel
Hydrogen spillover monitored by resonant photoemission spectroscopy Hydrogen spillover monitored by resonant photoemission spectroscopy
skos:notation
RIV/00216208:11320/12:10129682!RIV13-MSM-11320___
n11:predkladatel
n12:orjk%3A11320
n3:aktivita
n19:P
n3:aktivity
P(LA08022), P(LC06058)
n3:cisloPeriodika
1
n3:dodaniDat
n13:2013
n3:domaciTvurceVysledku
n10:4895444 Vorokhta, Mykhailo n10:8636303
n3:druhVysledku
n6:J
n3:duvernostUdaju
n14:S
n3:entitaPredkladatele
n7:predkladatel
n3:idSjednocenehoVysledku
140036
n3:idVysledku
RIV/00216208:11320/12:10129682
n3:jazykVysledku
n21:eng
n3:klicovaSlova
Resonant photoemission spectroscopy; Heterogeneous catalysis; Model catalyst; Hydrogen spillover; Hydrogen; Platinum; Ceria
n3:klicoveSlovo
n8:Hydrogen%20spillover n8:Model%20catalyst n8:Hydrogen n8:Ceria n8:Platinum n8:Heterogeneous%20catalysis n8:Resonant%20photoemission%20spectroscopy
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[6A5645C503A3]
n3:nazevZdroje
Journal of Catalysis
n3:obor
n18:BM
n3:pocetDomacichTvurcuVysledku
3
n3:pocetTvurcuVysledku
8
n3:projekt
n16:LC06058 n16:LA08022
n3:rokUplatneniVysledku
n13:2012
n3:svazekPeriodika
285
n3:tvurceVysledku
Lykhach, Yaroslava Matolín, Vladimír Libuda, Joerg Skala, Tomas Staudt, Thorsten Prince, Kevin C. Johánek, Viktor Vorokhta, Mykhailo
n3:wos
000300074300002
s:issn
0021-9517
s:numberOfPages
4
n20:doi
10.1016/j.jcat.2011.09.002
n17:organizacniJednotka
11320