Fig. 5From: Self-templated Synthesis of Nickel Silicate Hydroxide/Reduced Graphene Oxide Composite Hollow Microspheres as Highly Stable Supercapacitor Electrode Material a High-resolution XPS of C 1s of tiny GO sheets. b–e High-resolution XPS of Ni3Si2O5(OH)4/RGO hollow microspheres, showing the C 1s, Ni 2p, Si 2p, and O 1s regions, respectivelyBack to article page