Abstract

The synthesis process of cobalt nanoparticles via electroless deposition in ethylene glycol (EG) was investigated by electrochemical quartz crystal microbalance (QCM). The oxidation―reduction potential of the Co(II)/Co redox pair in EG could not be thermodynamically calculated because of insufficient thermodynamic data in organic solvents. We experimentally determined the oxidation―reduction potential of the Co(II)/Co redox pair in EG by cyclic voltammetry combined with QCM. The reaction start and end points were also determined by QCM. The effect of the nucleating agent H 2 PtCl 6 ·6H 2 O on the cobalt deposition behavior and particle size distribution was examined.

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