We explore, using the recently developed efficient Monte Carlo simulation method, the interaction of an anionic polyelectrolyte solution with a like-charged dielectric surface. In addition to polyions, the solution also contains salt with either monovalent, divalent, or trivalent counterions. In agreement with recent experimental observations, we find that multivalent counterions can lead to strong adsorption of polyions onto the surface. On the other hand, addition of a 1:1 electrolyte diminishes the adsorption induced by the multivalent counterions. Dielectric discontinuity at the interface is found to play only a marginal role in polyion adsorption.
Simulations of Polyelectrolyte Adsorption to a Dielectric Like-Charged Surface.
Alexandre P. dos Santos,Matheus Girotto,Y. Levin
Published 2016 in Journal of Physical Chemistry B
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- Publication year
2016
- Venue
Journal of Physical Chemistry B
- Publication date
2016-09-26
- Fields of study
Physics, Medicine, Materials Science, Chemistry
- Identifiers
- External record
- Source metadata
Semantic Scholar, PubMed
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