Berlin 2012 – wissenschaftliches Programm

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CPP: Fachverband Chemische Physik und Polymerphysik

CPP 23: Poster: Polymer Dynamics

CPP 23.3: Poster

Mittwoch, 28. März 2012, 11:00–13:00, Poster A

Controlling adsorption of semiflexible polymers — •Tobias Kampmann and Jan Kierfeld — Technische Universität Dortmund, Deutschland

We investigate the adsorption of single semiflexible polymers on planar and structured substrates. Using Monte-Carlo simulations we determine the critical potential strength for square-well adsorption potentials over a wide range of persistence lengths.

For a planar substrate we find a maximum of the critical potential strength for persistence lengths comparable to the potential range. In the stiff limit, we derive an analytical result, which agrees with the simulation results. We also investigate the influence of an additional surface curvature for adsorption on a sphere and on a "washboard" surface.