Model of dense part of double-layer in absence of specific adsorptionстатья
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Дата последнего поиска статьи во внешних источниках: 27 мая 2015 г.
Автор:
Damaskin B.B.
Журнал:
Journal of Electroanalytical Chemistry
Том:
75
Номер:
1
Год издания:
1977
Издательство:
Elsevier Sequoia
Местоположение издательства:
Switzerland
Первая страница:
359
Последняя страница:
370
DOI:
10.1016/0368-1874(77)80027-0
Аннотация:
A model is suggested for the dense part of the double layer in the absence of specific adsorption, which is based on the following assumptions: (1) There are two kinds of adsorbed solvent particles on the electrode surface: associates freely oriented in the double layer field and separate chemisorbed water dipoles; (2) the total number of solvent molecules on the surface is determined by the geometric dimensions of associates and chemisorbed dipoles; (3) account is taken of the electrostatic interaction of associates and chemisorbed dipoles in the surface layer; (4) a discreteness coefficient is introduced, accounting for the degree of influence of the field due to all the other dipoles and associates in the surface layer on the dipole or associate being considered; (5) the dipole moment of a chemisorbed water molecule exceeds the value of μH2O in the bulk of the solution; (6) account is taken of the decrease with increasing temperature of the average number of water molecules in surface associate. The calculations on the basis of this model describe satisfactorily the shape of the differential capacity curves of the dense layer and their temperature dependence for the system Hg - aqueous NaF solution. © 1977.
Добавил в систему:
Дамаскин Борис Борисович