THE STEADY-STATE AT A PAIR OF HEMISPHERICAL MICROELECTRODES

被引：16

作者：

ALFRED, LCR

OLDHAM, KB

机构：

[1] Department of Physics, Trent University, Peterborough

[2] Department of Chemistry, Trent University, Peterborough

来源：

JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 1995年 / 396卷 / 1-2期

基金：

加拿大自然科学与工程研究理事会;

关键词：

HEMISPHERICAL MICROELECTRODES; SPHERE-CAP;

D O I：

10.1016/0022-0728(95)04067-X

中图分类号：

O65 [分析化学];

学科分类号：

070302 ; 081704 ;

摘要：

The distribution of electroactive species in the vicinity of twin polarized hemispherical microelectrodes has been derived, for any value of rho, the ratio of the interelectrode spacing to the electrode diameter. Thereby, it is demonstrated that the steady-state limiting current exceeds that at a single hemispherical microelectrode by the factor 4 rho/(2 rho + 1) + exp(- 2.9 rho). The same limiting current is also passed by a spherical electrode suspended above a nearby plane. Merged hemispherical electrodes and sphere-cap electrodes are also discussed.

引用

页码：257 / 263

页数：7