Figure 3

CVs for K₄[Fe(CN)₆]·3H₂O (1.0 mM) in the supporting electrolyte KCl (0.1 M) on the surface of MWCNTPE (Line ‘a’) and Poly(TY-G)LMWCNTPE (Line ‘b’) at the potential scan rate of 0.1 V/s and the potential width of − 0.2 to 0.6 V versus Hg₂Cl₂.