Abstract

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.

中文翻译：

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纳米线模板电化学合成中准恒电位模式的机理

摘要

考虑了通过以在阴极和参比电极之间恒定的测量电势差的方式电沉积到聚合物膜的孔中形成纳米线集合的机理。结果表明，在用金属部分填充孔之后，这些表面微区域的面积的快速增加导致这些区域的电势之间的平衡变化以及与该区域相邻的溶液的电势下降。结果，观察到这样的位点的阴极电位在正方向上的移动以及阴极电流密度的局部值的相应减小，这​​有助于使各个纳米线的生长速率相等。