Fig. 3From: Flexible Supercapacitors Based on Polyaniline Arrays Coated Graphene Aerogel Electrodes a X-ray diffraction (XRD) patterns; b Raman spectrum of hybrid composites, PANI and rGO; c X-ray photoelectron spectra (XPS) spectrum of hybrid composites composite film; d–f XPS data of the N 1 s,C 1 s, and O 1 s regions of the hybrid composites, respectivelyBack to article page