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Electrode

Nucleation

Electrochimica Acta

The electrodeposition of Pb on H-terminated n-Si(111) electrodes from 0.1 M HClO4+0.1 mM Pb(ClO4)2 has been studied by electrochemical techniques and AFM. Pb deposition on such a surface has been found to be reversible and current transient measurements have indicated that the deposition process starts via instantaneous nucleation. From AFM measurements in air it has been concluded that Pb grows in a Volmer–Weber growth mode with apparently no preferential nucleation sites on the substrate.

Pb deposition on n-Si(111) electrodes