Research Article

Synthesis, Characterization, and Catalytic Activity of Pd(II) Salen-Functionalized Mesoporous Silica

Table 1

Surface area, total pore volume, pore size distribution, and amount of Pd loaded on the surface of the silica-based materials.

EntryMaterials (m2 g−1)Total pore (cm3g−1)Mean pore (nm)Pd ± (mg g−1)

1SiO2411.160.8604.18
2SiO2@ imineSA340.580.5032.95
3SiO2@ imineSB366.920.5893.21
4SiO2@ imineNA273.490.4303.14
5SiO2@ imineNB268.890.4163.10
6SiO2@ imineSA-Pd-II358.630.5052.8230.74 ± 0.42
7SiO2@ imineSA-Pd-I302.640.4292.8333.6 ± 1.52
8SiO2@ imineSB-Pd-II365.380.5392.9529.58 ± 1.63
9SiO2@ imineNA-Pd-II322.640.4162.5825.85 ± 0.72
10SiO2@ imineNB-Pd-II305.410.4072.6525.12 ± 0.77

BET method used in N2 sorption. Single-point pore volume at . Adsorption average pore diameter by BET method. Determined by ICP-OES analysis. Average of triplicates ± SD. Not applicable.