A Cyclic voltammogram of a GCE modified with Prussian blue under KxFey[Ir(CN) 6]z in KCl/HCl

6B Cyclic voltammogram of a GCE modified with KxFey[Ir(CN) 6]z under Prussian blue in KCl/HCl.

Scan rates: (‐‐‐) at 0.005 V s−1, (—) at 0.01V s−1