Influence of confinement on the electrostatic interaction between charged colloids: A (N,V,T) Monte Carlo study within hyperspherical geometry

Article Abstract:

Monte Carlo simulations within closed hyperspherical geometry are used to analyze the ionic distribution around two confined charged colloids to determine the origin of the net attraction. The results illustrated how the confinement by two weakly charged walls reduces the overlap between the diffuse layers of condensed counterions and hence the mutual electrostatic repulsion between the confined charged colloidal particles.

Electrostatics, Ionic solutions, Chemical properties

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Direct derivation of the free energy of two charged lamellar colloids from (N,V,T) Monte Carlo simulations

Article Abstract:

The configurational entropy and the free energy of two charged disks neutralized by mono-and divalent counterions are calculated by using (N, V, T) Monte Carlo simulations. All ion-ion, ion-disk, disk-disk interactions described in the framework of the Primitive model includes intrinsic correlations responsible for long range attractions between colloids under high electrostatic coupling conditions.

Chemistry, Physical and theoretical, Physical chemistry, Colloid chemistry, Electrostatic apparatus and appliances, Electrostatic devices

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Influence of specific site binding on the interactions between charged colloids: A (N,V,T) Monte Carlo study

Article Abstract:

A generalized Monte Carlo sampling of the canonical ensemble is used to describe ionic condensation and binding on charged interfaces. This procedure includes all ion-ion, site-site, and ion-site long-range electrostatic correlations. It predicts a noticeable influence of the inter particle separation on the degree of ionization of the colloids.

All Other Miscellaneous Chemical Product and Preparation Manufacturing, Chemical preparations, not elsewhere classified, Colloids, Colloids & Related Products, Observations, Ionization, Atomic properties

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