Application of the MPB theory to the analysis of the ion-free layer thickness

被引:7
作者
Andreu, R
Molero, M
Calvente, JJ
Outhwaite, CW
Bhuiyan, LB
机构
[1] UNIV SHEFFIELD,SCH MATH,SHEFFIELD S3 7RH,S YORKSHIRE,ENGLAND
[2] UNIV PUERTO RICO,DEPT PHYS,THEORET PHYS LAB,RIO PIEDRAS,PR 00931
基金
美国国家科学基金会;
关键词
double layer; surface excesses; MPB; URMPB;
D O I
10.1016/0013-4686(96)00044-8
中图分类号
O646 [电化学、电解、磁化学];
学科分类号
081704 ;
摘要
The concept of ion-free layer thickness is examined on the basis of contemporary theories of the electrical double layer. A comparison between surface excesses derived from Modified Poisson-Boltzmann (MPB and URMPB) and mean field (GC and UDCA) theories is performed. The influence of unequal distances of closest approach for cations and anions in the analysis of experimental surface excesses is cancelled to a significant extent by inclusion of self-atmosphere and exclusion volume effects. An application is made to the mercury/aqueous LiCl, NaCl and KCl interfaces. Copyright (C) 1996 Elsevier Science Ltd
引用
收藏
页码:2125 / 2130
页数:6
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