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Partial charge transfer during the specific adsorption of halide anions on a metal electrodeстатья
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Дата последнего поиска статьи во внешних источниках: 23 января 2026 г.
- Авторы: Kuklin R.N., Emets V.V.
- Журнал: Russian Journal of Physical Chemistry B
- Том: 3
- Номер: 5
- Год издания: 2009
- Издательство: Maik Nauka/Interperiodica Publishing
- Местоположение издательства: Russian Federation
- Первая страница: 818
- Последняя страница: 825
- DOI: 10.1134/s1990793109050182
- Аннотация: The partial charge transfer from (to) an anion specifically adsorbed on an uncharged interphase boundary between a metal electrode and an electrolyte solution was studied. The energy of the system was presented as a quadratic functional in the orders of perturbation of the electron densities of the anion and metal. The linear terms of the expansion represent the traditional contribution to the energy term of the chemical potentials of separated starting subsystems. The quadratic terms describe the influence of the chemical hardnesses on the equilibrium bonding energy. Based on the condition of minimum of the energy functional expressions for the partial charge transfer, energy of stabilization, and adsorption bond length were obtained. The results were used to estimate the parameters of the chemisorption bonding of halide anions to a mercury electrode and to interpret experimental data on the properties of the interphase boundary between a mercury electrode and an alkali halide solution in water and acetonitrile. It was demonstrated that the formulas derived satisfactorily describe the key parameters of the bond even in the zerothorder approximation.
- Добавил в систему: Емец Виктор Владимирович