Spohr, Eckhard; Hribar, B.; Vlachy, V.:
Mechanism of Macroion-Macroion Clustering Induced by the Presence of Trivalent Counterions
2002
In: Journal of physical chemistry, B, Condensed matter, materials, surfaces, interfaces & biophysical chemistry, Jg. 106 (2002), Heft 9, S. 2343 - 2348
Artikel/Aufsatz in Zeitschrift / Fach: Chemie
Fakultät für Chemie
Titel:
Mechanism of Macroion-Macroion Clustering Induced by the Presence of Trivalent Counterions
Autor(in):
Spohr, Eckhard im Online-Personal- und -Vorlesungsverzeichnis LSF anzeigen; Hribar, B.; Vlachy, V.
Erscheinungsjahr
2002
Erschienen in:
Journal of physical chemistry, B, Condensed matter, materials, surfaces, interfaces & biophysical chemistry, Jg. 106 (2002), Heft 9, S. 2343 - 2348
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Abstract:

The results of molecular dynamics simulations for a soft sphere model of highly asymmetric electrolyte solutions containing macroions and counterions are presented. The macroions carry a negative charge of 12 or 24 elementary charges and the solutions contain monovalent, divalent or trivalent (zc)+1, +2, or +3) counterions. The size ratio between macroion and counterion was chosen to be about 5:1 and 7:1. From analysis of both static and dynamic properties we propose a mechanism for the observed formation of clusters between equally charged macroions in these solutions.