Research Article

Enhanced Solar Photoelectrochemical Conversion Efficiency of ZnO:Cu Electrodes for Water-Splitting Application

Figure 5

(a) Photocurrent potential curves under solar simulator (AM1.5G) for doped ZnO films with different doping concentrations. (b) Photocurrent transients of the same films at an applied bias voltage of 0.6 V versus SCE under ON/OFF conditions.
928321.fig.005a
(a)
928321.fig.005b
(b)