Fig. 3
CV at 100 mV s−1 for 5 mM [Fe(CN)6]3–/4–: (a) Pt disc in aqueous KCl; (b) Pt disc in frozen KCl electrolyte; (c) Pt microelectrode in frozen KCl electrolyte
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CV at 100 mV s−1 for 5 mM [Fe(CN)6]3–/4–: (a) Pt disc in aqueous KCl; (b) Pt disc in frozen KCl electrolyte; (c) Pt microelectrode in frozen KCl electrolyte