Electrode-charge effect on electronic density at the electrode-solution interface on mercury and gallium metalsстатья
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Дата последнего поиска статьи во внешних источниках: 27 мая 2015 г.
Аннотация:In the absence of the donor-acceptor interaction of metal with solvent, variation with charge of the electronic potential drop on gallium, indium, and thallium metals, which have similar electronic structure, is shown to be insensitive to the metal nature. Upon decreasing the negative charge, electronic potential drop on mercury electrode shifts in the direction of less positive values at a greater rate than on metals of the gallium subgroup. This means that, even in the absence of specific interaction of the electrode with the solvent, it is necessary to take into consideration the individual properties of metals. Correspondingly, differences in the capacitances of the compact part of the electrical double layer should not be a priori attributed to the lyophilic nature of the electrodes only. To date, the adsorption drops of the potential for various solvents on metals of the gallium subgroup have been determined via comparison of the values of Delta E(sigma = 0)(M1-M2) and Delta E(sigma much less than 0)(M1-M2) with respect to the mercury electrode. It is now proposed that in the future these values be compared with respect to the thallium-gallium electrode.