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Field-induced dipolar attraction between like-charged colloids. | LitMetric

Field-induced dipolar attraction between like-charged colloids.

Soft Matter

Department of Chemical Engineering, Kyoto University, Kyoto 615-8510, Japan.

Published: June 2018

AI Article Synopsis

Article Abstract

The field induced anisotropic interactions between like-charged colloidal particles is studied using direct numerical simulations, where the polarization of the electric double layer is explicitly computed under external AC electric fields. These interactions are found to depend on the magnitude E0 and frequency ω of the applied field, as well as the zeta potential, the Debye length, and the relative orientation of the particles. We also determined the range of E0 and ω over which a dipolar attraction is induced between a pair of like-charged colloids. Finally, we performed simulations for systems of six and twelve colloidal particles to study the stability of pear-chain-like configurations.

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Source
http://dx.doi.org/10.1039/c8sm00395eDOI Listing

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