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

Figure 4

Plasmon resonance obtained at pH 6, incubation times of 30 min, 1 h, 24 h, and 48 h, and Ag⁺ concentrations of 1 mM (a), 2 mM (b), and 3 mM (c).

(a)

(b)

(c)