Issue 2, 1983

Spatially varying polarization in water. A model for the electric double layer and the hydration force

Abstract

The formalism derived in the preceding paper is used to model the response of aqueous solutions to a spatially-varying applied electric field. It leads to a generalized theory of the electric double layer which explicitly takes into account the microscopic structure of the solvent. As the solvent polarization is allowed to vary depending on both the macroscopic electric field and the specific interactions at the surface, the result is more freedom in the structure of the electric double layer. We consider generalized expressions for the double-layer free energy, as well as the interaction of two double layers which include specific surface polarization. Such interaction consists of both classical double-layer repulsion and the strong, short-range ‘hydration force’.

Article information

Article type
Paper

J. Chem. Soc., Faraday Trans. 2, 1983,79, 225-242

Spatially varying polarization in water. A model for the electric double layer and the hydration force

D. W. R. Gruen and S. Marčelja, J. Chem. Soc., Faraday Trans. 2, 1983, 79, 225 DOI: 10.1039/F29837900225

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