Quantitative treatment of surface potentials in Langmuir films from aromatic amphiphiles

dc.creatorDynarowicz-Latka, P
dc.creatorCavalli, A
dc.creatorSilva, DA
dc.creatorMilart, P
dc.creatordos Santos, MC
dc.creatorOliveira, ON
dc.date2001
dc.date11018
dc.date2014-11-19T14:31:46Z
dc.date2015-11-26T17:06:43Z
dc.date2014-11-19T14:31:46Z
dc.date2015-11-26T17:06:43Z
dc.date.accessioned2018-03-28T23:55:11Z
dc.date.available2018-03-28T23:55:11Z
dc.identifierChemical Physics Letters. Elsevier Science Bv, v. 337, n. 41699, n. 11, n. 17, 2001.
dc.identifier0009-2614
dc.identifierWOS:000167818900002
dc.identifier10.1016/S0009-2614(01)00175-0
dc.identifierhttp://www.repositorio.unicamp.br/jspui/handle/REPOSIP/58656
dc.identifierhttp://www.repositorio.unicamp.br/handle/REPOSIP/58656
dc.identifierhttp://repositorio.unicamp.br/jspui/handle/REPOSIP/58656
dc.identifier.urihttp://repositorioslatinoamericanos.uchile.cl/handle/2250/1279931
dc.descriptionIt is shown that the surface potentials of Langmuir monolayers from aromatic compounds can be interpreted using the three-layer capacitor model of Demchak and Fort, with the same local dielectric constants employed for aliphatic compounds. Based on new data for monolayers from an acid, amine and ester compounds with an aromatic hydrophobic part, we show that the dielectric constant for the monolayer/water interface region is 6 +/-1. Good agreement between experiment and theory was obtained by taking the dielectric constant of the monolayer/interface as 3.0 +/-0.6, which are essentially the same as those obtained for long tail aliphatic compounds. (C) 2001 Elsevier Science B.V. All rights reserved.
dc.description337
dc.description41699
dc.description11
dc.description17
dc.languageen
dc.publisherElsevier Science Bv
dc.publisherAmsterdam
dc.publisherHolanda
dc.relationChemical Physics Letters
dc.relationChem. Phys. Lett.
dc.rightsfechado
dc.rightshttp://www.elsevier.com/about/open-access/open-access-policies/article-posting-policy
dc.sourceWeb of Science
dc.subjectWater-air Interface
dc.subjectDipole-moments
dc.subjectElectrical-properties
dc.subjectDielectric-constant
dc.subjectMonolayer Films
dc.subjectAdsorbed Films
dc.subjectCarboxylic-acids
dc.subjectModel
dc.subjectAm1
dc.titleQuantitative treatment of surface potentials in Langmuir films from aromatic amphiphiles
dc.typeArtículos de revistas


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