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. 2018 Jul 17;18(7):2309. doi: 10.3390/s18072309

Figure 2.

Figure 2

SEM images of a carbon ionic liquid electrode (CILE) (A) and AuNCs/CILE with different magnification (B,C); (D) Nyquist plots of CILE (a) and AuNCs/CILE (b) in a 10.0 mmol/L [Fe(CN)6]3−/4− solution containing 0.1 mol/L KCl with the frequency of 105~0.1 Hz (inset is the Randles circuit model in the cell).