Charge dependence of adsorption energy of ions at electrodesстатья
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Дата последнего поиска статьи во внешних источниках: 29 мая 2015 г.
Авторы:
Damaskin B. ,
Palm U. ,
Vaartnou M. ,
Salve M.
Журнал:
Journal of Electroanalytical Chemistry
Том:
108
Номер:
2
Год издания:
1980
Издательство:
Elsevier Sequoia
Местоположение издательства:
Switzerland
Первая страница:
203
Последняя страница:
211
DOI:
10.1016/S0022-0728(80)80468-2
Аннотация:
Analysis of the energetic and geometric characteristics of the inner part of the electrical double layer has been carried out in the presence of the specific adsorption of ions accompanied by change in the dimensions and dielectric properties of the inner layer. On the basis of the formulae for the electrochemical potential of the adsorbed ion on the electrode surface and for the components of the inner layer capacity, the equations of the Frumkin isotherm and of its parameters have been derived. It has been shown that, in general, the Frumkin isotherm is non-linear at the given electrode charge and the charge dependence of the adsorption equilibrium constant has a parabolic form. The results of the corresponding theoretical calculations have been compared with the experimental data obtained by the study of the specific adsorption of tetra-alkylammonium cations on a bismuth electrode in ethanolic and aqueous solutions. Good agreement of the experimental results with those calculated theoretically confirm the validity of the equations derived. © 1980.
Добавил в систему:
Дамаскин Борис Борисович