Transverse ion diffusion inside fixed charge narrow pores

The diffusion dynamics of ions inside a planar slit with a high constant surface charge density was studied by solving the Smoluchowski/HypernnetedChain equation for the mean first passage times. The behavior of local properties, such as the potential of mean force, is correlated with the time i...

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Datum:2005
Hauptverfasser: Sulbaran, B., Olivares-Rivas, W., Colmenares, P.J.
Format: Artikel
Sprache:English
Veröffentlicht: Інститут фізики конденсованих систем НАН України 2005
Schriftenreihe:Condensed Matter Physics
Online Zugang:http://dspace.nbuv.gov.ua/handle/123456789/119550
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Назва журналу:Digital Library of Periodicals of National Academy of Sciences of Ukraine
Zitieren:Transverse ion diffusion inside fixed charge narrow pores / B. Sulbaran, W. Olivares-Rivas, P.J. Colmenares // Condensed Matter Physics. — 2005. — Т. 8, № 2(42). — С. 303–316. — Бібліогр.: 26 назв. — англ.

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Digital Library of Periodicals of National Academy of Sciences of Ukraine
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Zusammenfassung:The diffusion dynamics of ions inside a planar slit with a high constant surface charge density was studied by solving the Smoluchowski/HypernnetedChain equation for the mean first passage times. The behavior of local properties, such as the potential of mean force, is correlated with the time it takes for an ion to get adsorbed at the surface, and also with macroscopic properties like the salt rejection coefficient and the apparent diffusion constant in porous media, as a function of pore size. We show that the width of the walls has an important effect on the transverse ion diffusion process.