Fig. 2From: Evaluation of Graphene/WO3 and Graphene/CeO x Structures as Electrodes for Supercapacitor ApplicationsMorphological and structural characterization. Detailed legend: a TEM image of Gr/WO3 film structure and Raman spectra. b HRTEM image of Gr/WO3 and diffraction pattern of tungsten oxide corresponding to standard tetragonal (101) of WO3. c SEM image of the as-grown continuous graphene film. d Raman spectrum of the as-grown graphene film after transferring over SiO2Back to article page