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Coarse-Grained Potential for Interaction with a Spherical Colloidal Particle and Planar Wall
- 1.0352917 - ÚCHP 2011 RIV CZ eng J - Journal Article
Předota, Milan - Nezbeda, Ivo - Pařez, Stanislav
Coarse-Grained Potential for Interaction with a Spherical Colloidal Particle and Planar Wall.
Collection of Czechoslovak Chemical Communications. Roč. 75, č. 5 (2010), s. 527-545. ISSN 0010-0765
R&D Projects: GA ČR GA203/08/0094; GA AV ČR IAA400720802
Institutional research plan: CEZ:AV0Z40720504
Keywords : spherical colloidal particles * surface interaction * molecular simulations
Subject RIV: CF - Physical ; Theoretical Chemistry
Impact factor: 0.853, year: 2010
An effective coarse-grained interaction potential between a point particle and a spherical colloidal particle with continuously distributed inverse power-law interaction sites is derived. The potential covers all ranges of spherical particle size, from a point particle up to an infinitely large particle forming a planar surface. In the small size limit, the point-to-point interaction is recovered, while in the limit of an infinitely large sphere the potential comes over to the known particle–wall potentials as, e.g., the 9–3 potential in the case of the Lennard–Jones interaction. Correctness and usefulness of the derived potential is exemplified by its application to SPC/E water at a graphite sphere and wall.
Permanent Link: http://hdl.handle.net/11104/0192304
Number of the records: 1