Fig. 1From: Enhancement of Catalytic Activity of Reduced Graphene Oxide Via Transition Metal Doping StrategyThe HRPES spectra of monodisperse 5 mol % TM-rGO: a rGO, b Cr-rGO, c Mn-rGO, d Fe-rGO, e Co-rGO, and f Ni-rGO and the corresponding SEM images, respectivelyBack to article page