Electrochemical Behavior of Europium Ferrocene Derivative Coordination Complex Chemically Modified Electrodes

Electrochemical behaviors of europium ferrocene derivative coordination complex chemically modified electrodes were studied. Various factors which affected the voltammetry of the thin film modified electrodes, and the charge transport process of the thin film electrode was discussed. Size of the hydrated anion(counter ion), concentration of the electrolyte, swelling property of the film in the solvent and thickness of the film have significant effects on the voltammetry of the thin film electrode. Electrochemical behaviors of europium ferrocene derivative coordination complex chemically modified electrode were studied in an aqueous solution. When scanning between 0～ 0 8 V (vs. SCE), experimental results indicate that the chemically modified electrode has good stability and reproducibility. The apparent rate constant of electrode reaction is determined to be 6 7×10 -1 ·s -1 .