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Effects of mixed discrete surface charges on the electrical double layer
Phys. Rev. E 86, 021601 – Published 10 August, 2012
DOI: https://doi.org/10.1103/PhysRevE.86.021601
Abstract
Adsorption of surface coions and charge reversal are induced at the electrical double layer of a wall charged with positive and negative surface sites next to an electrolyte solution. While for the considered surface charge density these effects are found over a wide range of conditions, they are not observed for the typically employed surface models in equivalent conditions. Important consequences in electrophoresis experiments for different colloids with equal effective surface charge density are foreseen. This study is carried out by means of molecular dynamics simulations.
Article Text
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