Quasireversible Process of Dopamine on Copper-Nickel Hydroxide Composite/Nitrogen Doped Graphene/Nafion Modified GCE and Its Electrochemical Application
Figure 2
Nyquist plots of bare (a), N-GR/Nafion/GCE (b), Cu(OH)2/N-GR/Nafion/GCE (c), Ni(OH)2/N-GR/Nafion/GCE (d), and Cu-Ni(OH)2/N-GR/Nafion/GCE (e) in KCl containing 1 mmol/L .