Figure 3.
The cyclic voltammetry (CV) curves of the bare glassy carbon electrode (GCE) (black dashed line), GO/GCE (blue line), and F-GO/GCE (red line) recorded in 0.1 M KCl containing 5.0 mM [Fe(CN)6]3−/4− at the scan rate of 50 mV s−1.
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