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. 2018 Jul 24;8(46):26356–26363. doi: 10.1039/c8ra04719g

Cyclic voltammetry redox peak potential separations ΔEp (mV) and peak current ratios Ipa/Ipc at 100 mV s−1 scan speed of the three redox probes: rutheniumhexaammine, ferrocenemethanol, and iridium chloride.

Fe at% 1 mM Ru(NH3)6 1 mM FcMeOH 1 mM IrCl6
ΔEp I pa/Ipc ΔEp I pa/Ipc ΔEp I pa/Ipc
ta-C 101 0.856 88 0.955 122 0.950
2 59 0.920 61 0.986 63 0.980
5 61 0.916 61 0.983 68 0.986
10 61 0.907 61 0.986 59 0.990