Fig. 4From: Physical synthesis methodology and enhanced gas sensing and photoelectrochemical performance of 1D serrated zinc oxide–zinc ferrite nanocompositesPEC characterization of the ZnO–ZFO: a the photocurrent density vs. potential curves of the ZnO and ZnO–ZFO. b Cyclic photocurrent density vs. time curves of the ZnO–ZFO at 0.3 V. c Cyclic photocurrent density vs. time curves of the ZnO at 0.3 VBack to article page