Figure 5. Deconvoluted XPS spectra of (A-C) Ru 3p, (D-F) O 1s, and (G-I) Ce 3d XPS core-level spectra of ex-situ reduced (under H2/Ar at 700 °C) nRu/CeO2 catalysts (n = 0.2, 0.5, and 1).
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