Figure 3

The (a,b) Nyquist plots, (c,d) bode plots, and phase angle plots for st-37 with different concentrations of Dracocephalum based on bulk, and nano size, in 0.5 M H2SO4.

The (a,b) Nyquist plots, (c,d) bode plots, and phase angle plots for st-37 with different concentrations of Dracocephalum based on bulk, and nano size, in 0.5 M H2SO4.