Fig. 5From: Evaluation of Graphene/WO3 and Graphene/CeO x Structures as Electrodes for Supercapacitor ApplicationsSEM characterization. Detailed legend: SEM images of a of the grown graphene on top of the copper catalyst before the delamination process and b Cu2O domains reproducing graphene “fingerprints,” as a result of the copper oxide formationBack to article page