THE DENSITY AND POLARIZATION OF AN ION-DIPOLE-ELECTROLYTE NEAR A CHARGED WALL

被引：15

作者：

DIAZHERRERA, E ^{[1
]}

FORSTMANN, F ^{[1
]}

机构：

[1] FREE UNIV BERLIN, INST THEORET PHYS, D-14195 BERLIN, GERMANY

来源：

JOURNAL OF CHEMICAL PHYSICS | 1995年 / 102卷 / 22期

关键词：

D O I：

10.1063/1.468849

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The structure of the hard sphere dipolar liquid and the electrolyte with added hard sphere ions near a charged hard planar electrode has been investigated with the reference hypernetted chain integral equation (RHNC). We find a decrease of the dielectric function ∈ near the wall, a decrease of e in the fluid due to saturation, a field dependent change in the dipole density near the wall, and a decrease of the ion density near the electrode due to solvation. Related to the demixing instability of the ion-dipole mixture, the ions suddenly concentrate near the surface at higher fields and lead to a sharp increase in the differential capacitance. Also electrostriction in the pure dipolar liquid with a field in the bulk is considered. © 1995 American Institute of Physics.

引用

页码：9005 / 9017

页数：13

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