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Article: Phase behaviour of oxygen adsorbed on graphite

TitlePhase behaviour of oxygen adsorbed on graphite
Authors
KeywordsAdsorption
Graphite
Molecular dynamics
Molecular simulation
Oxygen
Vapour pressure
Issue Date1997
PublisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/fluid
Citation
Fluid Phase Equilibria, 1997, v. 132 n. 1-2, p. 21-31 How to Cite?
AbstractMolecular dynamics simulations are performed to investigate the physical adsorption of oxygen on graphite at 15 to 300 K with coverages from 0.192 to 2 monolayers. Below 25 K, the adsorbed molecules have translational ordering and are in a solid state. Above 25 K solid clusters at submonolayer coverages disintegrate to a liquid-like layer without translational ordering. For coverages close to or above monolayer, layering transition and some out-of-plane orientations are observed at high temperatures. More adsorbed molecules escape into the gas phase at higher temperatures and the equilibrium vapour pressure can be estimated by the bulk phase density. A phase diagram is constructed summarizing these changes and the adsorption isotherms. © 1997 Elsevier Science B.V.
Persistent Identifierhttp://hdl.handle.net/10722/69067
ISSN
2015 Impact Factor: 1.846
2015 SCImago Journal Rankings: 0.890
ISI Accession Number ID
References

 

DC FieldValueLanguage
dc.contributor.authorWu, GWen_HK
dc.contributor.authorChan, KYen_HK
dc.date.accessioned2010-09-06T06:10:15Z-
dc.date.available2010-09-06T06:10:15Z-
dc.date.issued1997en_HK
dc.identifier.citationFluid Phase Equilibria, 1997, v. 132 n. 1-2, p. 21-31en_HK
dc.identifier.issn0378-3812en_HK
dc.identifier.urihttp://hdl.handle.net/10722/69067-
dc.description.abstractMolecular dynamics simulations are performed to investigate the physical adsorption of oxygen on graphite at 15 to 300 K with coverages from 0.192 to 2 monolayers. Below 25 K, the adsorbed molecules have translational ordering and are in a solid state. Above 25 K solid clusters at submonolayer coverages disintegrate to a liquid-like layer without translational ordering. For coverages close to or above monolayer, layering transition and some out-of-plane orientations are observed at high temperatures. More adsorbed molecules escape into the gas phase at higher temperatures and the equilibrium vapour pressure can be estimated by the bulk phase density. A phase diagram is constructed summarizing these changes and the adsorption isotherms. © 1997 Elsevier Science B.V.en_HK
dc.languageengen_HK
dc.publisherElsevier BV. The Journal's web site is located at http://www.elsevier.com/locate/fluiden_HK
dc.relation.ispartofFluid Phase Equilibriaen_HK
dc.rightsFluid Phase Equilibria. Copyright © Elsevier BV.en_HK
dc.subjectAdsorptionen_HK
dc.subjectGraphiteen_HK
dc.subjectMolecular dynamicsen_HK
dc.subjectMolecular simulationen_HK
dc.subjectOxygenen_HK
dc.subjectVapour pressureen_HK
dc.titlePhase behaviour of oxygen adsorbed on graphiteen_HK
dc.typeArticleen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=0378-3812&volume=132&spage=21&epage=31&date=1997&atitle=Phase+behaviour+of+oxygen+adsorbed+on+graphiteen_HK
dc.identifier.emailChan, KY:hrsccky@hku.hken_HK
dc.identifier.authorityChan, KY=rp00662en_HK
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1016/S0378-3812(97)00030-7-
dc.identifier.scopuseid_2-s2.0-0031141139en_HK
dc.identifier.hkuros31721en_HK
dc.relation.referenceshttp://www.scopus.com/mlt/select.url?eid=2-s2.0-0031141139&selection=ref&src=s&origin=recordpageen_HK
dc.identifier.volume132en_HK
dc.identifier.issue1-2en_HK
dc.identifier.spage21en_HK
dc.identifier.epage31en_HK
dc.identifier.isiWOS:A1997XG25500003-
dc.publisher.placeNetherlandsen_HK
dc.identifier.scopusauthoridWu, GW=7404975088en_HK
dc.identifier.scopusauthoridChan, KY=7406034142en_HK

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