Colloidal charge reversal: Dependence on the ionic size and the electrolyte concentration

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dc.creatorDiehl, Alexandre
dc.creatorLevin, Yan
dc.date2008-10-02
dc.date.accessioned2026-07-07T10:07:10Z
dc.date.available2026-07-07T10:07:10Z
dc.descriptionExtensive Monte Carlo simulations and scaling arguments are used to study the colloidal charge reversal. The critical colloidal surface charge density $σ_c$ at which the reversal first appears is found to depend strongly on the ionic size. We find that $σ_c$ has an inflection point as a function of the electrolyte concentration. The width of the plateau region in the vicinity of the inflection point depends on the temperature and the ionic radius $a$. In agreement with the theoretical predictions it is found that the critical colloidal charge above which the electrophoretic mobility becomes reversed diverges as $Z_c \sim 1/a^2$ in the limit $a \to 0$.
dc.description5 pages, 4 figures
dc.identifierhttps://arxiv.org/abs/0810.0510
dc.identifierhttp://arxiv.org/abs/0810.0510
dc.identifierJ. Chem. Phys. 129, 124506 (2008)
dc.identifierdoi:10.1063/1.2982163
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/170540
dc.subjectSoft Condensed Matter
dc.subjectStatistical Mechanics
dc.titleColloidal charge reversal: Dependence on the ionic size and the electrolyte concentration
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