Fig. 2

Nyquist plots for LG using bare CPE and CPE/ Fe2O3NPs with different concentration of Fe2O3NPs. Inset 1: Equivalent circuit. Inset 2: Electrochemical oxidation responses of LG using different concentrations of Fe2O3NPs
Nyquist plots for LG using bare CPE and CPE/ Fe2O3NPs with different concentration of Fe2O3NPs. Inset 1: Equivalent circuit. Inset 2: Electrochemical oxidation responses of LG using different concentrations of Fe2O3NPs