Influence of the dielectrophoretic force in mixed electrical double layers
- Autores
- López García, José Juan; Horno, José; Grosse, Constantino
- Año de publicación
- 2013
- Idioma
- inglés
- Tipo de recurso
- artículo
- Estado
- versión publicada
- Descripción
- The equilibrium properties of a charged plane immersed in an aqueous electrolyte solution are examined using a generalized Poisson–Boltzmann equation that takes into account the finite ion size by modeling the solution as a suspension of polarizable insulating spheres in water. This formalism is applied to a general solution composed of two or more counterion species with different valences, sizes, and effective permittivity values. It is shown that, due to the dependence of the dielectrophoretic force on the ion size and effective permittivity value, the concentration of the smaller counterion strongly increases while that of the larger one decreases in the immediate vicinity of the charged surface. As a result the surface potential value strongly increases as compared to the usual modified Poisson–Boltzmann theory that only includes steric interactions among ions. This effect is particularly important in the case of mixtures of univalent and divalent counterions, being significant even for relatively low surface charge values.
Fil: López García, José Juan. Universidad de Jaén; España
Fil: Horno, José. Universidad de Jaén; España
Fil: Grosse, Constantino. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina - Materia
-
Mixed Electrical Double Layers
Ionsize Effect
Ion Permittivity Effect
Modified Poisson-Boltzmann Equation - Nivel de accesibilidad
- acceso abierto
- Condiciones de uso
- https://creativecommons.org/licenses/by-nc-nd/2.5/ar/
- Repositorio
- Institución
- Consejo Nacional de Investigaciones Científicas y Técnicas
- OAI Identificador
- oai:ri.conicet.gov.ar:11336/26381
Ver los metadatos del registro completo
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Influence of the dielectrophoretic force in mixed electrical double layersLópez García, José JuanHorno, JoséGrosse, ConstantinoMixed Electrical Double LayersIonsize EffectIon Permittivity EffectModified Poisson-Boltzmann Equationhttps://purl.org/becyt/ford/1.3https://purl.org/becyt/ford/1The equilibrium properties of a charged plane immersed in an aqueous electrolyte solution are examined using a generalized Poisson–Boltzmann equation that takes into account the finite ion size by modeling the solution as a suspension of polarizable insulating spheres in water. This formalism is applied to a general solution composed of two or more counterion species with different valences, sizes, and effective permittivity values. It is shown that, due to the dependence of the dielectrophoretic force on the ion size and effective permittivity value, the concentration of the smaller counterion strongly increases while that of the larger one decreases in the immediate vicinity of the charged surface. As a result the surface potential value strongly increases as compared to the usual modified Poisson–Boltzmann theory that only includes steric interactions among ions. This effect is particularly important in the case of mixtures of univalent and divalent counterions, being significant even for relatively low surface charge values.Fil: López García, José Juan. Universidad de Jaén; EspañaFil: Horno, José. Universidad de Jaén; EspañaFil: Grosse, Constantino. Consejo Nacional de Investigaciones Científicas y Técnicas; ArgentinaElsevier Inc2013-05info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionhttp://purl.org/coar/resource_type/c_6501info:ar-repo/semantics/articuloapplication/pdfapplication/pdfhttp://hdl.handle.net/11336/26381López García, José Juan; Horno, José; Grosse, Constantino; Influence of the dielectrophoretic force in mixed electrical double layers; Elsevier Inc; Journal Of Colloid And Interface Science; 405; 5-2013; 336-3430021-9797CONICET DigitalCONICETenginfo:eu-repo/semantics/altIdentifier/doi/10.1016/j.jcis.2013.05.036info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S002197971300475Xinfo:eu-repo/semantics/openAccesshttps://creativecommons.org/licenses/by-nc-nd/2.5/ar/reponame:CONICET Digital (CONICET)instname:Consejo Nacional de Investigaciones Científicas y Técnicas2025-09-29T10:42:18Zoai:ri.conicet.gov.ar:11336/26381instacron:CONICETInstitucionalhttp://ri.conicet.gov.ar/Organismo científico-tecnológicoNo correspondehttp://ri.conicet.gov.ar/oai/requestdasensio@conicet.gov.ar; lcarlino@conicet.gov.arArgentinaNo correspondeNo correspondeNo correspondeopendoar:34982025-09-29 10:42:19.14CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicasfalse |
dc.title.none.fl_str_mv |
Influence of the dielectrophoretic force in mixed electrical double layers |
title |
Influence of the dielectrophoretic force in mixed electrical double layers |
spellingShingle |
Influence of the dielectrophoretic force in mixed electrical double layers López García, José Juan Mixed Electrical Double Layers Ionsize Effect Ion Permittivity Effect Modified Poisson-Boltzmann Equation |
title_short |
Influence of the dielectrophoretic force in mixed electrical double layers |
title_full |
Influence of the dielectrophoretic force in mixed electrical double layers |
title_fullStr |
Influence of the dielectrophoretic force in mixed electrical double layers |
title_full_unstemmed |
Influence of the dielectrophoretic force in mixed electrical double layers |
title_sort |
Influence of the dielectrophoretic force in mixed electrical double layers |
dc.creator.none.fl_str_mv |
López García, José Juan Horno, José Grosse, Constantino |
author |
López García, José Juan |
author_facet |
López García, José Juan Horno, José Grosse, Constantino |
author_role |
author |
author2 |
Horno, José Grosse, Constantino |
author2_role |
author author |
dc.subject.none.fl_str_mv |
Mixed Electrical Double Layers Ionsize Effect Ion Permittivity Effect Modified Poisson-Boltzmann Equation |
topic |
Mixed Electrical Double Layers Ionsize Effect Ion Permittivity Effect Modified Poisson-Boltzmann Equation |
purl_subject.fl_str_mv |
https://purl.org/becyt/ford/1.3 https://purl.org/becyt/ford/1 |
dc.description.none.fl_txt_mv |
The equilibrium properties of a charged plane immersed in an aqueous electrolyte solution are examined using a generalized Poisson–Boltzmann equation that takes into account the finite ion size by modeling the solution as a suspension of polarizable insulating spheres in water. This formalism is applied to a general solution composed of two or more counterion species with different valences, sizes, and effective permittivity values. It is shown that, due to the dependence of the dielectrophoretic force on the ion size and effective permittivity value, the concentration of the smaller counterion strongly increases while that of the larger one decreases in the immediate vicinity of the charged surface. As a result the surface potential value strongly increases as compared to the usual modified Poisson–Boltzmann theory that only includes steric interactions among ions. This effect is particularly important in the case of mixtures of univalent and divalent counterions, being significant even for relatively low surface charge values. Fil: López García, José Juan. Universidad de Jaén; España Fil: Horno, José. Universidad de Jaén; España Fil: Grosse, Constantino. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina |
description |
The equilibrium properties of a charged plane immersed in an aqueous electrolyte solution are examined using a generalized Poisson–Boltzmann equation that takes into account the finite ion size by modeling the solution as a suspension of polarizable insulating spheres in water. This formalism is applied to a general solution composed of two or more counterion species with different valences, sizes, and effective permittivity values. It is shown that, due to the dependence of the dielectrophoretic force on the ion size and effective permittivity value, the concentration of the smaller counterion strongly increases while that of the larger one decreases in the immediate vicinity of the charged surface. As a result the surface potential value strongly increases as compared to the usual modified Poisson–Boltzmann theory that only includes steric interactions among ions. This effect is particularly important in the case of mixtures of univalent and divalent counterions, being significant even for relatively low surface charge values. |
publishDate |
2013 |
dc.date.none.fl_str_mv |
2013-05 |
dc.type.none.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion http://purl.org/coar/resource_type/c_6501 info:ar-repo/semantics/articulo |
format |
article |
status_str |
publishedVersion |
dc.identifier.none.fl_str_mv |
http://hdl.handle.net/11336/26381 López García, José Juan; Horno, José; Grosse, Constantino; Influence of the dielectrophoretic force in mixed electrical double layers; Elsevier Inc; Journal Of Colloid And Interface Science; 405; 5-2013; 336-343 0021-9797 CONICET Digital CONICET |
url |
http://hdl.handle.net/11336/26381 |
identifier_str_mv |
López García, José Juan; Horno, José; Grosse, Constantino; Influence of the dielectrophoretic force in mixed electrical double layers; Elsevier Inc; Journal Of Colloid And Interface Science; 405; 5-2013; 336-343 0021-9797 CONICET Digital CONICET |
dc.language.none.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
info:eu-repo/semantics/altIdentifier/doi/10.1016/j.jcis.2013.05.036 info:eu-repo/semantics/altIdentifier/url/http://www.sciencedirect.com/science/article/pii/S002197971300475X |
dc.rights.none.fl_str_mv |
info:eu-repo/semantics/openAccess https://creativecommons.org/licenses/by-nc-nd/2.5/ar/ |
eu_rights_str_mv |
openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by-nc-nd/2.5/ar/ |
dc.format.none.fl_str_mv |
application/pdf application/pdf |
dc.publisher.none.fl_str_mv |
Elsevier Inc |
publisher.none.fl_str_mv |
Elsevier Inc |
dc.source.none.fl_str_mv |
reponame:CONICET Digital (CONICET) instname:Consejo Nacional de Investigaciones Científicas y Técnicas |
reponame_str |
CONICET Digital (CONICET) |
collection |
CONICET Digital (CONICET) |
instname_str |
Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.name.fl_str_mv |
CONICET Digital (CONICET) - Consejo Nacional de Investigaciones Científicas y Técnicas |
repository.mail.fl_str_mv |
dasensio@conicet.gov.ar; lcarlino@conicet.gov.ar |
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1844614455826055168 |
score |
13.070432 |