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. 2023 Jan 26;95(5):2983–2991. doi: 10.1021/acs.analchem.2c04843

Table 1. Physical–Chemical Properties of CNFs with Different Dimensions and Electrochemistry of [Ru(NH3)6]3+ in 1 M KCl on These Electrodes at 100 mV/s v.

sample length (nm) diameter (nm) pseudocapacitance (μF/cm2) potential window (PBS) relative surface areaa ΔEp (mV) Ipa (μA) Ipa/Ipc k0 (cm/s)
CNF-30mins 2684 ± 436 64 ± 15 773 ± 112 1.16 ± 0.03 ∼25× 59 ± 3 13 ± 1 0.86 ± 0.03 0.214 ± 0.056
CNF-10mins 789 ± 117 96 ± 22 243 ± 69 1.32 ± 0.07 ∼6× 61 ± 3 12 ± 1 0.90 ± 0.04 0.157 ± 0.070
CNF-5mins 600 ± 132 72 ± 15 312 ± 44 1.37 ± 0.02 ∼6× 61 ± 2 11 ± 0 0.92 ± 0.05 0.153 ± 0.046
CNF-1min 100 ± 18 92 ± 19 85 ± 12 1.46 ± 0.01 62 ± 6 12 ± 1 0.91 ± 0.01 0.140 ± 0.093
a

With respect to CNF-1min.