Lima, E.R.A. and Horinek, Dominik and Netz, R.R and Biscaia, E.C. and Tavares, F.W. and Kunz, Werner and Boström, M. (2008) Specific Ion Adsorption and Surface Forces in Colloid Science. Journal of Physical Chemistry B 112 (6), pp. 1580-1585.
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Mean-field theories that include nonelectrostatic interactions acting on ions near interfaces have been found to accommodate many exptl. obsd. ion specific effects. However, it is clear that this approach does not fully account for the liq. mol. structure and hydration effects. This is now improved by using parametrized ionic potentials deduced from recent nonprimitive model mol. dynamics (MD) simulations in a generalized Poisson-Boltzmann equation. We investigate how ion distributions and double layer forces depend on the choice of background salt. There is a strong ion specific double layer force set up due to unequal ion specific short-range potentials acting between ions and surfaces.
|Institutions:||Chemistry and Pharmacy > Institut für Physikalische und Theoretische Chemie > Chair of Chemistry VI - Physical Chemistry (Solution Chemistry) > Prof. Dr. Werner Kunz|
|Keywords:||specific ion adsorption surface force colloid science|
|Subjects:||500 Science > 540 Chemistry & allied sciences|
|Refereed:||Yes, this version has been refereed|
|Created at the University of Regensburg:||Yes|
|Deposited On:||22 May 2012 09:18|
|Last Modified:||22 May 2012 09:18|