Physics – Condensed Matter – Soft Condensed Matter
Scientific paper
2010-02-18
Physics
Condensed Matter
Soft Condensed Matter
14 pages, 8 figures, 1 table
Scientific paper
We apply the recently developed triangular tessellation technique as presented in [J. de Graaf et al., Phys. Rev. E 80, 051405 (2009)] to calculate the free energy associated with the adsorption of anisotropic colloidal particles at a flat interface. From the free-energy landscape, we analyze the adsorption process, using a simplified version of Langevin dynamics. The present result is a first step to understand the time-dependent behavior of colloids near interfaces. This study shows a wide range of adsorption trajectories, where the emphasis lies on a strong dependence of the dynamics on the orientation of the colloid at initial contact with the interface. We believe that the observed orientational dependence in our simple model can be recovered in suitable experimental systems.
Dijkstra Marjolein
Graaf Jeannette de
Roij René van
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