Fig. 6From: Punicalagin Green Functionalized Cu/Cu2O/ZnO/CuO Nanocomposite for Potential Electrochemical Transducer and CatalystVoltammograms of a different structures of Ni/Cu/Cu2O/CuO/ZnO and b Ni/Cu/Cu2O/CuO/ZnO electrode in 2 M KOH at different scan rates (50, 75, 100, 125, 150, 175, 200 and 225 mV s−1)Back to article page