Fabrication and Characterization of ZnO Nanowire Arrays with an Investigation into Electrochemical Sensing Capabilities

Figure 6

Cyclic voltammograms of ZnO-GOX/Si in PBS (pH 7.0) containing 5.0×10⁻³ mol L⁻¹ glucose at a scan rate of (a) 50 mV s⁻¹, (b) 100 mV s⁻¹, (c) 200 mV s⁻¹, (d) 300 mV s⁻¹, and (e) 400 mV s⁻¹. Inset plot: relationship between scan rate and response current of ZnO-GOX/Si in PBS (pH 7.0) containing 5.0×10⁻³ mol L⁻¹ glucose.