Figure 7.
(a) Ru 3d XPS spectra of Ru–P/SiO2 and Ru/SiO2. The C 1s signal at 284.5 eV was derived from the adhesive carbon tape. (b) P 2p XPS spectrum of Ru–P/SiO2. (c) FT-IR spectra of CO adsorbed on the surface of Ru–P/SiO2 and Ru/SiO2.
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