Research Article

Scalable Electrochemical Synthesis of Novel Biogenic Silver Nanoparticles and Its Application to High-Sensitive Detection of 4-Nitrophenol in Aqueous System

Figure 4

(a) CV of bare SPE (curve a), pure AgNPs-SPE (curve b), and biogenic AgNP-SPE (curve c) electrodes in 5 mM K3[Fe(CN)6]/K4[Fe(CN)6] (1 : 1) mixture at 50 mV s-1; (b) Nyquist plots of bare SPE, pure AgNPs-SPE, and biogenic AgNP-SPE electrodes recorded in 0.1 mol L-1 KCl solution containing 5 mM K3[Fe(CN)6]/K4[Fe(CN)6]; (c) CV of biogenic AgNP-SPE electrode for 15 cycles.
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