Table 1.
Physical chemical properties of the dendrimer‐based Pd‐containing catalysts.
| Entry | Catalyst | Pd content, wt. % | d, nm | XPS atomic concentrations, % | Pd 3d5/2 valency states, % (eV) | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Pd | C | N | O | Si | Pd0 | PdOx/Pd | PdO | Pd2+ | Pd(OAc)2, Pd (II) N‐bound | ||||
| 1 | G3‐dendr‐SiO2‐Pd | 6.70 | 2.81±0.71 | 3.1 | 28.3 | 4.2 | 48.5 | 15.9 | 54.5 (335.8) | – | 41.2 (337.4) | – | 4.3 (338.7) |
| 2 | G2‐dendr‐meso‐SiO2‐Pd | 7.58 | 3.29±0.34 | 2.7 | 32.1 | 3.6 | 48.2 | 13.1 | 63.9 (335.2) | 18.2 (336.5) | – | 16.3 (338.0) | 2.5 (339.0) |
| 3 | meso‐G2‐dendr‐Si‐Pd | 7.71 | 2.71±0.44 | 2.3 | 62.5 | 18.6 | 16.6 | – | 26.4 (335.3) | 45.0 (336.6) | – | 28.6 (337.8) | – |