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Statements

Subject Item
n2:RIV%2F00216208%3A11320%2F12%3A10128329%21RIV13-AV0-11320___
rdf:type
skos:Concept n16:Vysledek
rdfs:seeAlso
http://dx.doi.org/10.1016/j.apsusc.2011.02.119
dcterms:description
The interaction of Pt with CeO2 layers was investigated by using high resolution hard X-ray photoelectron spectroscopy. Pt doped CeO2 layers were deposited simultaneously by rf-magnetron sputtering on a SiO2/Si substrate and carbon nanotubes (CNTs) grown on a carbon diffusion layer of a polymer membrane fuel cell. In the case of the CNT support photoelectron spectra showed the formation of ionic platinum rich cerium oxide with Pt2+,(4+) species, and with the Pt2+/Pt4+ ratio strongly dependent on the amount of platinum. Ce reveals 4+/3+ mixed valent character with Ce3+ concentration increasing with Pt content. In the case of the SiO2/Si substrate the film revealed Ce4+ and Pt4+ species only. The interaction of Pt with CeO2 layers was investigated by using high resolution hard X-ray photoelectron spectroscopy. Pt doped CeO2 layers were deposited simultaneously by rf-magnetron sputtering on a SiO2/Si substrate and carbon nanotubes (CNTs) grown on a carbon diffusion layer of a polymer membrane fuel cell. In the case of the CNT support photoelectron spectra showed the formation of ionic platinum rich cerium oxide with Pt2+,(4+) species, and with the Pt2+/Pt4+ ratio strongly dependent on the amount of platinum. Ce reveals 4+/3+ mixed valent character with Ce3+ concentration increasing with Pt content. In the case of the SiO2/Si substrate the film revealed Ce4+ and Pt4+ species only.
dcterms:title
Synchrotron radiation photoelectron spectroscopy study of metal-oxide thin film catalysts: Pt-CeO2 coated CNTs Synchrotron radiation photoelectron spectroscopy study of metal-oxide thin film catalysts: Pt-CeO2 coated CNTs
skos:prefLabel
Synchrotron radiation photoelectron spectroscopy study of metal-oxide thin film catalysts: Pt-CeO2 coated CNTs Synchrotron radiation photoelectron spectroscopy study of metal-oxide thin film catalysts: Pt-CeO2 coated CNTs
skos:notation
RIV/00216208:11320/12:10128329!RIV13-AV0-11320___
n16:predkladatel
n18:orjk%3A11320
n3:aktivita
n21:I n21:P
n3:aktivity
I, P(GAP204/10/1169), P(GD202/09/H041), P(KAN100400702)
n3:cisloPeriodika
6
n3:dodaniDat
n13:2013
n3:domaciTvurceVysledku
n10:4473515 Vorokhta, Mykhailo n10:3671011 n10:8636303 n10:5469686
n3:druhVysledku
n5:J
n3:duvernostUdaju
n19:S
n3:entitaPredkladatele
n15:predkladatel
n3:idSjednocenehoVysledku
172843
n3:idVysledku
RIV/00216208:11320/12:10128329
n3:jazykVysledku
n12:eng
n3:klicovaSlova
Hard X-ray photoelectron spectroscopy; Magnetron sputtering; Platinum; Cerium oxide
n3:klicoveSlovo
n4:Magnetron%20sputtering n4:Hard%20X-ray%20photoelectron%20spectroscopy n4:Cerium%20oxide n4:Platinum
n3:kodStatuVydavatele
NL - Nizozemsko
n3:kontrolniKodProRIV
[E9E3E5AE67B1]
n3:nazevZdroje
Applied Surface Science
n3:obor
n7:BM
n3:pocetDomacichTvurcuVysledku
5
n3:pocetTvurcuVysledku
8
n3:projekt
n14:GAP204%2F10%2F1169 n14:GD202%2F09%2FH041 n14:KAN100400702
n3:rokUplatneniVysledku
n13:2012
n3:svazekPeriodika
258
n3:tvurceVysledku
Vorokhta, Mykhailo Khalakhan, Ivan Matolín, Vladimír Matolínová, Iva Fiala, Roman Sofer, Z. Yoshikawa, H. Kobayashi, K.
n3:wos
000298670300054
s:issn
0169-4332
s:numberOfPages
4
n20:doi
10.1016/j.apsusc.2011.02.119
n17:organizacniJednotka
11320