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Charge inversion of colloidal particles in an aqueous solution: screening by multivalent ions

Charge inversion of colloidal particles in an aqueous solution: screening by multivalent ions

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics 63(4 Pt 1): 041401

We investigate the structure of the electric double layer on charged colloids by Monte Carlo simulations. Using the primitive model of asymmetric electrolytes, the integrated charge distribution function on a spherical colloidal particle are also studied. With high concentrations of divalent ions, numerical results predict charge oscillation and charge inversion phenomena, which the traditional Derjaguin-Landau-Verwey-Overbeek theory cannot reproduce.

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Accession: 045495924

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PMID: 11308837

DOI: 10.1103/PhysRevE.63.041401

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