Figure 2From: Reduced graphene oxide-TiO2 nanocomposite as a promising visible-light-active photocatalyst for the conversion of carbon dioxideElectron microscopy of the rGO-TiO 2 composites. (a) FESEM image, (b, c) HRTEM images, and (d) enlarged HRTEM image of a selected rGO-TiO2 heterojunction.Back to article page