Analytical expressions for the electrical potential near planar, cylindrical, and spherical surfaces for symmetric electrolytes
Journal
Journal of Colloid and Interface Science
Journal Volume
281
Journal Issue
1
Pages
255-257
Date Issued
2005
Author(s)
Abstract
The conjecture of Tuinier (J. Colloid Interface Sci. 258 (2003) 45) for the electrical potentials near a cylindrical surface and near a spherical surface under the conditions of symmetric electrolyte and large scaled radius are derived by solving the corresponding Poisson-Boltzmann equation. The surface charge density-surface potential relations for these surfaces are also derived under the conditions of constant surface potential. We show that the level of surface charge density for planar, cylindrical, and spherical surfaces follows the order spherical surface > cylindrical surface > planar surface. ? 2004 Elsevier Inc. All rights reserved.
Subjects
Cylindrical surface
Electrical potential
Large scaled radius
Spherical surface
Symmetric electrolytes
Type
journal article