fig10

Figure 10. (A) Ru/CeO₂-S Schematic of catalysis; (B) B1: XRD patterns of the CeO₂-S sample (blue) and Ru/CeO₂-S catalyst; B2: TEM image of the Ru/CeO₂-S (red); B3: HAADF-STEM image of the Ru/CeO₂-S; B4: HAADF-STEM image and the corresponding EDS mapping of the Ru/CeO₂-S; (C) C1: FT k3-weighted Ru K-edge EXAFS spectra; C2: Wavelet transform of the Ru K-edge EXAFS spectrum; C3-C5: XPS spectra of the Ru/CeO₂ catalysts for Ru 3P, O 1s, and Ce 3d regions^[82]. Copyright 2022 American Chemical Society. HAADF-STEM: High-angle annular dark-field scanning TEM; EDS: energy dispersive X-ray spectrometry; XRD: X-ray diffraction; EXAFS: extended X-ray absorption fine structure; XPS: X-ray photoelectron spectroscopy.