Lima, E.R.A. and Boström, M. and Biscaia, E.C. and Tavares, F.W. and Kunz, Werner (2009) Ion specific forces between charged self-assembled monolayers explained by modified DLVO theory. Colloids and Surfaces, A: Physicochemical and Engineering Aspects 346 (1-3), pp. 11-15.
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We recently investigated specific ion effects near a single charged self-assembled monolayer (SAM) in a salt soln. by exploiting a modified Poisson-Boltzmann equation that accounts for both water profile and ion-surface potential profiles inferred from mol. dynamics simulations. In the present contribution we extend this work to consider two charged SAMs interacting across different salt soln. Our results demonstrate one important reason why the double layer force between charged colloidal surfaces in electrolytes could be highly ion specific.
|Institutions:||Chemistry and Pharmacy > Institut für Physikalische und Theoretische Chemie > Chair of Chemistry VI - Physical Chemistry (Solution Chemistry) > Prof. Dr. Werner Kunz|
|Keywords:||DLVO theory self assembled monolayer ion specific force|
|Subjects:||500 Science > 540 Chemistry & allied sciences|
|Refereed:||Yes, this version has been refereed|
|Created at the University of Regensburg:||Yes|
|Deposited On:||18 May 2012 07:52|
|Last Modified:||18 May 2012 07:52|