Poisson-Boltzmann cell model for heterogeneously charged colloids
Soft Condensed Matter
2015-05-13 v1
Abstract
We introduce the Poisson-Boltzmann cell model for spherical colloidal particles with a heterogeneous surface charge distribution. This model is obtained by generalizing existing cell models for mixtures of homogeneously charged colloidal spheres. Our new model has similar features as Onsager's second-virial theory for liquid crystals, but it predicts no orientational ordering if there is no positional ordering. This implies that all phases of heterogeneously charged colloids that are liquid-like with respect to translational degrees of freedom are also isotropic with respect to particle orientation.
Cite
@article{arxiv.0907.1208,
title = {Poisson-Boltzmann cell model for heterogeneously charged colloids},
author = {Eelco Eggen and René van Roij},
journal= {arXiv preprint arXiv:0907.1208},
year = {2015}
}
Comments
9 pages, 3 figures