About: Adsorption of 5-halouracils on Au(111)

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
Description	The immobilization of 5-halouracils on Au(111) has been studied by soft X-ray photoelectron spectroscopy (XPS) and near-edge X-ray absorption fine structure (NEXAFS) spectroscopy. Multilayer and monolayer films of 5-chlorouracil were deposited on the Au(111) surface by evaporation in vacuum while films of 5- bromouracil were absorbed in two modes: from the gas phase under ultrahigh vacuum conditions and from solution. The photoemission spectra of C, N and O 1s, Br 3d and Cl 2p as well as the absorption spectra at the N and O K-edges were measured for monolayers of 5-halouracil films and the nature of the bonding with the Au(111) surface has been determined. From the angular dependence of the NEXAFS spectra at the O and K-edges, we conclude that these 5-halouracils are lying nearly parallel to the Au(111) surface. Distinct chemical states and surface adsorption geometry of the 5-BrU molecules for monolayer coverage prepared in two different ways have been found. The immobilization of 5-halouracils on Au(111) has been studied by soft X-ray photoelectron spectroscopy (XPS) and near-edge X-ray absorption fine structure (NEXAFS) spectroscopy. Multilayer and monolayer films of 5-chlorouracil were deposited on the Au(111) surface by evaporation in vacuum while films of 5- bromouracil were absorbed in two modes: from the gas phase under ultrahigh vacuum conditions and from solution. The photoemission spectra of C, N and O 1s, Br 3d and Cl 2p as well as the absorption spectra at the N and O K-edges were measured for monolayers of 5-halouracil films and the nature of the bonding with the Au(111) surface has been determined. From the angular dependence of the NEXAFS spectra at the O and K-edges, we conclude that these 5-halouracils are lying nearly parallel to the Au(111) surface. Distinct chemical states and surface adsorption geometry of the 5-BrU molecules for monolayer coverage prepared in two different ways have been found. (en)
Title	Adsorption of 5-halouracils on Au(111) Adsorption of 5-halouracils on Au(111) (en)
skos:prefLabel	Adsorption of 5-halouracils on Au(111) Adsorption of 5-halouracils on Au(111) (en)
skos:notation	RIV/68378271:_____/12:00431377!RIV15-AV0-68378271
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(LA08022), P(LC06058)
http://linked.open...iv/cisloPeriodika	3-4
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Cháb, Vladimír Vondráček, Martin
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	Fyzikální ústav AV ČR, v. v. i.
http://linked.open...dnocenehoVysledku	121153
http://linked.open...ai/riv/idVysledku	RIV/68378271:_____/12:00431377
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	5-halouracils; gold; chemisorption; XPS; NEXAFS (en)
http://linked.open.../riv/klicoveSlovo	NEXAFS chemisorption XPS gold 5-halouracils
http://linked.open...odStatuVydavatele	NL - Nizozemsko
http://linked.open...ontrolniKodProRIV	[D72FD3273A06]
http://linked.open...i/riv/nazevZdroje	Surface Science
http://linked.open...in/vavai/riv/obor	BM
http://linked.open...ichTvurcuVysledku	2 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Participation of Czech scientists in synchrotron radiation experiments at Elettra Center of synchrotron radiation materials study
http://linked.open...UplatneniVysledku	2012
http://linked.open...v/svazekPeriodika	606
http://linked.open...iv/tvurceVysledku	Cháb, Vladimír Prince, K. C. Vondráček, Martin Feyer, V. Plekan, O. Matolín, V. Tsud, N.
http://linked.open...ain/vavai/riv/wos	000300458600050
issn	0039-6028
number of pages	9 (xsd:int)
http://bibframe.org/vocab/doi	10.1016/j.susc.2011.11.002

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