On the Mechanism of the Quasi-Potentiostatic Mode in the Template Electrochemical Synthesis of Nanowires


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Resumo

The mechanism of forming an ensemble of nanowires by electrodeposition into the pores of polymer membranes in the mode of a constant measured potential difference between the cathode and the reference electrode is considered. It is shown that, after the partial filling of the pores with metal, a rapid increase in the area of these surface microregions leads to a change in the balance between the potential of these areas and a potential decrease in the solution adjacent to this zone. As a consequence, a shift in the cathodic potential of such sites in the positive direction and a corresponding decrease in the local value of the cathodic current density, which helps to equalize the growth rates of individual nanowires, is observed.

Sobre autores

V. Korotkov

Crystallography and Photonics Federal Research Center, Russian Academy of Sciences

Email: skruglikov@mail.ru
Rússia, Moscow, 119333

D. Zagorskii

Crystallography and Photonics Federal Research Center, Russian Academy of Sciences

Email: skruglikov@mail.ru
Rússia, Moscow, 119333

T. Tsyganova

Crystallography and Photonics Federal Research Center, Russian Academy of Sciences

Email: skruglikov@mail.ru
Rússia, Moscow, 119333

S. Kruglikov

Mendeleev University of Chemical Technology of Russia

Autor responsável pela correspondência
Email: skruglikov@mail.ru
Rússia, Moscow, 125047

V. Kolesnikov

Mendeleev University of Chemical Technology of Russia

Email: skruglikov@mail.ru
Rússia, Moscow, 125047

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