Weak and strong coupling theories for polarizable colloids and nanoparticles

Detalhes bibliográficos
Autor(a) principal: Bakhshandeh, Amin
Data de Publicação: 2011
Outros Autores: Santos, Alexandre Pereira dos, Levin, Yan
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Repositório Institucional da UFRGS
Texto Completo: http://hdl.handle.net/10183/103669
Resumo: A theory is presented which allows us to accurately calculate the density profile of monovalent and multivalent counterions in suspensions of polarizable colloids or nanoparticles. In the case of monovalent ions, we derive a weak-coupling theory that explicitly accounts for the ion-image interaction, leading to a modified Poisson-Boltzmann equation. For suspensions with multivalent counterions, a strong-coupling theory is used to calculate the density profile near the colloidal surface and a Poisson-Boltzmann equation with a renormalized boundary condition to account for the counterion distribution in the far field. All the results are compared with the Monte Carlo simulations, showing an excellent agreement between the theory and the simulations.
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spelling Bakhshandeh, AminSantos, Alexandre Pereira dosLevin, Yan2014-09-23T02:12:52Z20110031-9007http://hdl.handle.net/10183/103669000794837A theory is presented which allows us to accurately calculate the density profile of monovalent and multivalent counterions in suspensions of polarizable colloids or nanoparticles. In the case of monovalent ions, we derive a weak-coupling theory that explicitly accounts for the ion-image interaction, leading to a modified Poisson-Boltzmann equation. For suspensions with multivalent counterions, a strong-coupling theory is used to calculate the density profile near the colloidal surface and a Poisson-Boltzmann equation with a renormalized boundary condition to account for the counterion distribution in the far field. All the results are compared with the Monte Carlo simulations, showing an excellent agreement between the theory and the simulations.application/pdfengPhysical review letters. Melville. Vol. 107, no. 10 (Sep. 2011), 107801, 5 p.ColóidesNanopartículasSuspensoesPolarizabilidadeMétodo de Monte CarloWeak and strong coupling theories for polarizable colloids and nanoparticlesEstrangeiroinfo:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da UFRGSinstname:Universidade Federal do Rio Grande do Sul (UFRGS)instacron:UFRGSORIGINAL000794837.pdf000794837.pdfTexto completo (inglês)application/pdf401448http://www.lume.ufrgs.br/bitstream/10183/103669/1/000794837.pdfce3cfd76f52491bce517a83e1cc355adMD51TEXT000794837.pdf.txt000794837.pdf.txtExtracted Texttext/plain20672http://www.lume.ufrgs.br/bitstream/10183/103669/2/000794837.pdf.txteca588afc82bcd0d5030ecb7821ec27eMD52THUMBNAIL000794837.pdf.jpg000794837.pdf.jpgGenerated Thumbnailimage/jpeg1901http://www.lume.ufrgs.br/bitstream/10183/103669/3/000794837.pdf.jpgeac5abe0e30d6b65933c96e703cef15eMD5310183/1036692023-06-14 03:29:45.626349oai:www.lume.ufrgs.br:10183/103669Repositório de PublicaçõesPUBhttps://lume.ufrgs.br/oai/requestopendoar:2023-06-14T06:29:45Repositório Institucional da UFRGS - Universidade Federal do Rio Grande do Sul (UFRGS)false
dc.title.pt_BR.fl_str_mv Weak and strong coupling theories for polarizable colloids and nanoparticles
title Weak and strong coupling theories for polarizable colloids and nanoparticles
spellingShingle Weak and strong coupling theories for polarizable colloids and nanoparticles
Bakhshandeh, Amin
Colóides
Nanopartículas
Suspensoes
Polarizabilidade
Método de Monte Carlo
title_short Weak and strong coupling theories for polarizable colloids and nanoparticles
title_full Weak and strong coupling theories for polarizable colloids and nanoparticles
title_fullStr Weak and strong coupling theories for polarizable colloids and nanoparticles
title_full_unstemmed Weak and strong coupling theories for polarizable colloids and nanoparticles
title_sort Weak and strong coupling theories for polarizable colloids and nanoparticles
author Bakhshandeh, Amin
author_facet Bakhshandeh, Amin
Santos, Alexandre Pereira dos
Levin, Yan
author_role author
author2 Santos, Alexandre Pereira dos
Levin, Yan
author2_role author
author
dc.contributor.author.fl_str_mv Bakhshandeh, Amin
Santos, Alexandre Pereira dos
Levin, Yan
dc.subject.por.fl_str_mv Colóides
Nanopartículas
Suspensoes
Polarizabilidade
Método de Monte Carlo
topic Colóides
Nanopartículas
Suspensoes
Polarizabilidade
Método de Monte Carlo
description A theory is presented which allows us to accurately calculate the density profile of monovalent and multivalent counterions in suspensions of polarizable colloids or nanoparticles. In the case of monovalent ions, we derive a weak-coupling theory that explicitly accounts for the ion-image interaction, leading to a modified Poisson-Boltzmann equation. For suspensions with multivalent counterions, a strong-coupling theory is used to calculate the density profile near the colloidal surface and a Poisson-Boltzmann equation with a renormalized boundary condition to account for the counterion distribution in the far field. All the results are compared with the Monte Carlo simulations, showing an excellent agreement between the theory and the simulations.
publishDate 2011
dc.date.issued.fl_str_mv 2011
dc.date.accessioned.fl_str_mv 2014-09-23T02:12:52Z
dc.type.driver.fl_str_mv Estrangeiro
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dc.identifier.uri.fl_str_mv http://hdl.handle.net/10183/103669
dc.identifier.issn.pt_BR.fl_str_mv 0031-9007
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dc.language.iso.fl_str_mv eng
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dc.relation.ispartof.pt_BR.fl_str_mv Physical review letters. Melville. Vol. 107, no. 10 (Sep. 2011), 107801, 5 p.
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