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Colloid and Polymer Science

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28.12.2016 | Original Contribution

Approximate analytic expressions for the electrostatic interaction energy between two colloidal particles based on the modified Poisson-Boltzmann equation

verfasst von: Hiroyuki Ohshima

Erschienen in: Colloid and Polymer Science | Ausgabe 2/2017

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Abstract

Simple analytic expressions are derived for the electrostatic interaction energy between two charged colloidal particles in an electrolyte solution. The obtained expressions are based on an approximate form of the modified Poisson-Boltzmann equation taking into account the ion size effects through Carnahan-Starling activity coefficients of electrolyte ions. We derive the electrostatic interaction energy between two parallel plates on the basis of the linear superposition approximation. We further employ Derjaguin’s approximation to derive the corresponding expressions for the electrostatic interaction energy between two spheres, two parallel cylinders, or two crossed cylinders.

Vorheriger Artikel Ionization of short weak polyelectrolytes: when size matters

Nächster Artikel Uniaxial stretching behavior of polylactide with long chain branching

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Titel: Approximate analytic expressions for the electrostatic interaction energy between two colloidal particles based on the modified Poisson-Boltzmann equation
verfasst von: Hiroyuki Ohshima
Publikationsdatum: 28.12.2016
Verlag: Springer Berlin Heidelberg
Erschienen in: Colloid and Polymer Science / Ausgabe 2/2017
Print ISSN: 0303-402X
Elektronische ISSN: 1435-1536
DOI: https://doi.org/10.1007/s00396-016-4005-5

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