Table 2.
Pd XPS analysis of catalysts.
| Sample | Pd5/2 | Pd3/2 | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Pd2+ | Pd0 | Pd2+ | Pd0 | Pd2+/Pd0 | |||||
| BE | % | BE | % | BE | % | BE | % | ||
| Pd/NH2-HNTs | 338.0 | 23.6 | 335.8 | 36.3 | 343.3 | 15.8 | 341.0 | 24.3 | 0.65 |
| Pd/HNTs | 337.2 | 21.4 | 335.2 | 38.5 | 342.2 | 14.3 | 340.4 | 25.8 | 0.55 |
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