Fig. 2: Compositional structure analysis of Rh-RuO₂/G nanosheets.

a XRD pattern of Rh-RuO₂/G. b Raman spectra, c O 1s XPS spectra, and d H₂-TPR spectra of Rh-RuO₂/G and RuO₂/G. e Ru K-edge XANES spectra and f Fourier transformed EXAFS spectra of Ru-edge for Rh-RuO₂/G, RuO₂/G, Ru foil, RuCl₃ solution, and commercial RuO₂.