Abstract
We study the electrochemical deposition of gold nanoparticles in solutions of 0.002–0.008 M H[AuCl4] + 0.05 M Bu4NClO4 in dimethylformamide on the surfaces of glassy carbon, titanium, and ITO-glass (Indium-Tin Oxide glass). It is shown that the electric reduction of the metal begins at a cathode potential E = – 0.1 V and continues up to – 1.2 V. As a result, we observe the formation of discrete particles from tens to hundreds nanometers in size. It is shown that the main factors affecting the morphology of deposits are the cathode potential, the duration of electrodeposition, and the concentration of H[AuCl4] in the solution.
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