Fig. 1: Synthesis and morphology characterization of Rh-RuO₂/G nanosheets.

a Preparation schematic. b SEM image. c TEM image. d HAADF-STEM image (inset shows the SEAD pattern). e, f AFM image (e) and corresponding height profiles (f). g Elemental mapping analysis of Rh-RuO₂/G.