About: Methanol Dehydrogenation over Tungsten Oxide One Dimensional Structures

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An Entity of Type : http://linked.opendata.cz/ontology/domain/vavai/Vysledek, within Data Space : linked.opendata.cz associated with source document(s)

Attributes	Values
rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://www.mff.cuni.cz/veda/konference/wds/proc/pdf14/WDS14_28_f5_Pavlikova.pdf
Description	In this paper we present formation and characteristics of tungsten oxide one dimensional structures. The system was prepared on Cu(110) surface by thermal evaporation in reactive oxygen atmosphere. Electron diraction (RHEED, LEED) and atomic force microscopy (AFM) were used for investigation of the sample structure and morphology. Oxidation state of tungsten and other chemical properties were studied by means of photoelectron spectroscopy (XPS, SRPES). Formation of a self-organized one dimensional tungsten oxide structures parallel to Cu [110] crystallographic direction was observed. The WO3x=Cu(110) nanosize epitaxial system was used for a methanol decomposition study. Gas adsorption was carried out at the sample temperature below 115 K. Partial methanol dehydrogenation on the tungsten oxide nanostructure was observed immediately after adsorption. Subsequent ash heatings at increasing temperature led to gradual decomposition and desorption of methanol and its complete disappearance at 350 K. Formation of methoxy group and other products was also observed during the process. In this paper we present formation and characteristics of tungsten oxide one dimensional structures. The system was prepared on Cu(110) surface by thermal evaporation in reactive oxygen atmosphere. Electron diraction (RHEED, LEED) and atomic force microscopy (AFM) were used for investigation of the sample structure and morphology. Oxidation state of tungsten and other chemical properties were studied by means of photoelectron spectroscopy (XPS, SRPES). Formation of a self-organized one dimensional tungsten oxide structures parallel to Cu [110] crystallographic direction was observed. The WO3x=Cu(110) nanosize epitaxial system was used for a methanol decomposition study. Gas adsorption was carried out at the sample temperature below 115 K. Partial methanol dehydrogenation on the tungsten oxide nanostructure was observed immediately after adsorption. Subsequent ash heatings at increasing temperature led to gradual decomposition and desorption of methanol and its complete disappearance at 350 K. Formation of methoxy group and other products was also observed during the process. (en)
Title	Methanol Dehydrogenation over Tungsten Oxide One Dimensional Structures Methanol Dehydrogenation over Tungsten Oxide One Dimensional Structures (en)
skos:prefLabel	Methanol Dehydrogenation over Tungsten Oxide One Dimensional Structures Methanol Dehydrogenation over Tungsten Oxide One Dimensional Structures (en)
skos:notation	RIV/00216208:11320/14:10290766!RIV15-MSM-11320___
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(LD13054), P(LG12003)
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Tsud, Nataliya Matolín, Vladimír Mašek, Karel Polášek, Jan Pavlíková, Romana
http://linked.open.../riv/druhVysledku	D - Článek ve sborníku
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	28606
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/14:10290766
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	SRPES; RHEED; AFM; Tungsten oxide; Methanol dehydrogenation (en)
http://linked.open.../riv/klicoveSlovo	AFM RHEED Tungsten oxide Methanol dehydrogenation SRPES
http://linked.open...ontrolniKodProRIV	[70A701233C6A]
http://linked.open...v/mistoKonaniAkce	Praha
http://linked.open...i/riv/mistoVydani	Praha
http://linked.open...i/riv/nazevZdroje	WDS 2014 - Proceedings of Contributed Papers - Physics
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	5 (xsd:int)
http://linked.open...cetTvurcuVysledku	5 (xsd:int)
http://linked.open...vavai/riv/projekt	Materials science beamline at synchrotron Elettra in Trieste Cerium Oxide Based Fuel Cell Thin Film Catalysts
http://linked.open...UplatneniVysledku	2014
http://linked.open...iv/tvurceVysledku	Matolín, Vladimír Mašek, Karel Tsud, Nataliya Polášek, Jan Pavlíková, Romana
http://linked.open...vavai/riv/typAkce	EUR - Evropská
http://linked.open.../riv/zahajeniAkce	2014-06-03 (xsd:date)
number of pages	6 (xsd:int)
http://purl.org/ne...btex#hasPublisher	Matfyzpress
https://schema.org/isbn	978-80-7378-276-4
http://localhost/t...ganizacniJednotka	11320

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