Table 2. Analysis of Surface Pd Species of the Catalysts Derived from XPS Spectra.
sample | peak name | peak BE (eV) | content (%) |
---|---|---|---|
H–Pd@CeO2-600(24) | PdO | 336.5 | 66.6 |
PdOx | 337.6 | 33.4 | |
I–Pd/CeO2-600 | PdOx | 337.5 | 59.3 |
PdO2 | 338.1 | 40.7 | |
C–Pd/CeO2-600 | PdOx | 337.3 | 32.6 |
PdO2 | 338.1 | 67.4 |