Fig. 4From: Enhanced photocatalytic performance of Nb doped TiO2/reduced graphene oxide nanocomposites over rhodamine B dye under visible light illumination(a) SEM image of GO, (b) HRTEM images of GO, (c) TEM image of NTG5, (d) and (e) are HR-TEM images of NTG5, (f) SAED patterns of NTG5Back to article page