Table 1 Structural properties of MCM-41 silicas
Silica | d 100 (nm) | a (nm) | S BET (m2 g–1) | V total (cm3 g–1) | D DFT (nm) | [−(CH2)3NH2] | [β-CD] | ||||
|---|---|---|---|---|---|---|---|---|---|---|---|
(mmol g−1) | (μmol m−2) | (mmol g−1) | (μmol m−2) | ||||||||
MCM-41 | 4.17 | 4.82 | 995 | 0.75 | 3.7 | 5.1 | − | − | − | − | |
NH2-MCM-41 | 4.02 | 4.64 | 523 | 0.86 | 3.7 | 5.1 | 0.44 | 0.84 | − | − | |
β-CD-APTES-MCM-41 | 4.11 | 4.75 | 812 | 1.06 | 3.9 | 5.1 | 0.05 | 0.06 | 0.018 | 0.022 | |
β-CD-APTES3-MCM-41 | 3.93 | 4.54 | 512 | 0.60 | 2.5 | 3.3 | 5.1 | 0.11 | 0.21 | 0.072 | 0.141 |
β-CD-APTES5-MCM-41 | 4.11 | 4.74 | 457 | 0.69 | 2.4 | 3.1 | 4.7 | 0.12 | 0.26 | 0.095 | 0.208 |