Fig. 5From: Photo-Response of Functionalized Self-Assembled Graphene Oxide on Zinc Oxide Heterostructure to UV Illumination a Log plot of I-V characteristics for ZnO films and GO/ZnO in dark and in the presence of UV illumination. Inset represents the linear ohmic behavior. b UV on-off test for ZnO (black line) and GO/ZnO (red line)Back to article page