About: Photoemission study of methanol decomposition on Pt/Ni(111) surface alloy

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	Platinum shows excellent catalytic activity in electrochemical oxidation of methanol. It is widely used in direct methanol fuel cells, but it is readily poisoned by CO-like intermediates generated in methanol activation process. To increase Pt CO tolerance, oxophilic metals such as Ru or Ni are incorporated into Pt. In our model study we present results of the adsorption and decomposition of methanol on a Pt-Ni ordered surface alloy prepared by Pt evaporation on Ni(111) surface, examined by conventional and synchrotron radiation X-ray photoelectron spectroscopy. Methanol adsorbed at low temperature formed adsorbate multilayers, which were consecutively desorbed upon heating to 600 K. Reaction intermediates arising during desorption were measured. Reaction pathways are discussed and compared with those obtained on a clean Ni(111) single crystal. Platinum shows excellent catalytic activity in electrochemical oxidation of methanol. It is widely used in direct methanol fuel cells, but it is readily poisoned by CO-like intermediates generated in methanol activation process. To increase Pt CO tolerance, oxophilic metals such as Ru or Ni are incorporated into Pt. In our model study we present results of the adsorption and decomposition of methanol on a Pt-Ni ordered surface alloy prepared by Pt evaporation on Ni(111) surface, examined by conventional and synchrotron radiation X-ray photoelectron spectroscopy. Methanol adsorbed at low temperature formed adsorbate multilayers, which were consecutively desorbed upon heating to 600 K. Reaction intermediates arising during desorption were measured. Reaction pathways are discussed and compared with those obtained on a clean Ni(111) single crystal. (en)
Title	Photoemission study of methanol decomposition on Pt/Ni(111) surface alloy Photoemission study of methanol decomposition on Pt/Ni(111) surface alloy (en)
skos:prefLabel	Photoemission study of methanol decomposition on Pt/Ni(111) surface alloy Photoemission study of methanol decomposition on Pt/Ni(111) surface alloy (en)
skos:notation	RIV/00216208:11320/10:10070078!RIV11-GA0-11320___
http://linked.open...avai/riv/aktivita	P S Z
http://linked.open...avai/riv/aktivity	P(GA202/07/0782), S, Z(MSM0021620834)
http://linked.open...iv/cisloPeriodika	6-7
http://linked.open...vai/riv/dodaniDat	2011
http://linked.open...aciTvurceVysledku	Veltruská, Kateřina Cabala, Miloš Tsud, Nataliya Matolín, Vladimír Libra, Jiří
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Karlova v Praze / Matematicko-fyzikální fakulta
http://linked.open...dnocenehoVysledku	278827
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/10:10070078
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	Ni; Pt; photoemission; catalysis (en)
http://linked.open.../riv/klicoveSlovo	catalysis Ni Pt photoemission
http://linked.open...odStatuVydavatele	US - Spojené státy americké
http://linked.open...ontrolniKodProRIV	[F9283763ABBB]
http://linked.open...i/riv/nazevZdroje	Surface and Interface Analysis
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	6 (xsd:int)
http://linked.open...vavai/riv/projekt	Reactivity of model catalyst based on CeOx
http://linked.open...UplatneniVysledku	2010
http://linked.open...v/svazekPeriodika	42
http://linked.open...iv/tvurceVysledku	Matolín, Vladimír Skála, Tomáš Tsud, Nataliya Cabala, Miloš Veltruská, Kateřina Libra, Jiří
http://linked.open...ain/vavai/riv/wos	000281149700024
http://linked.open...n/vavai/riv/zamer	Condensed Matter Physics – New Materials and Technologies
issn	0142-2421
number of pages	4 (xsd:int)
http://localhost/t...ganizacniJednotka	11320

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