Influence of Hydrodynamic Interactions on the Kinetics of Colloidal Particle's Adsorption

Details Influence of Hydrodynamic Interactions on the Kinetics of Colloidal Particle's Adsorption Influence of Hydrodynamic Interactions on the Kinetics of Colloidal Particle's Adsorption

1997-12-05

arxiv.org/abs/cond-mat/9712076v1

Physics

Condensed Matter

Statistical Mechanics

4 pages, 1 figures, Phys. Rev. Lett. (in press)

Scientific paper

10.1103/PhysRevLett.80.754

The kinetics of irreversible adsorption of spherical particles onto a flat surface is theoretically studied. Previous models, in which hydrodynamic interactions were disregarded, predicted a power-law behavior $t^{-2/3}$ for the time dependence of the coverage of the surface near saturation. Experiments, however, are in agreement with a power-law behavior of the form $t^{-1/2}$. We outline that, when hydrodynamic interactions are considered, the assymptotic behavior is found to be compatible with the experimental results in a wide region near saturation.

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