Research Article

Evaluation of Silver Nanoparticles Based on Fresh Cocoa Pods (Theobroma Cacao) Extracts as New Potential Electrode Material

Figure 11

Nyquist diagram recorded by the electrochemical impedance spectroscopy in medium 10−3 M [Fe (CN)6]3−/4− and 0.1 M KCl (pH 7) on two electrodes: GCE-naked (A), GCE-AgNPs (B).