Table 1. The textural characteristics of the samples.
| Samples | d110 (nm) | α0 (nm) | SBET (m2/g) | V (mL/g) | DBJH (nm) | T (nm) | d (nm) |
|---|---|---|---|---|---|---|---|
| Al-MCM-41 | 3.93 | 4.54 | 1044 | 0.91 | 3.86 | 0.68 | 3.86 |
| 10CuO/Al-MCM-41(A,d) | 3.72 | 4.30 | 500 | 0.57 | 2.42 | 1.88 | 4.53 |
| 10CuO/Al-MCM-41(N,d) | 3.72 | 4.30 | 504 | 0.63 | 2.02 | 2.28 | 4.98 |
| 10CuO/Al-MCM-41(S,d) | 3.82 | 4.41 | 537 | 0.67 | 2.22 | 2.19 | 4.98 |
| 10CuO/Al-MCM-41(C,d) | 3.93 | 4.54 | 508 | 0.64 | 2.23 | 2.31 | 5.05 |
| 20CuO/Al-MCM-41(C,d) | 3.82 | 4.41 | 481 | 0.77 | 2.23 | 2.18 | 6.43 |
| 30CuO/Al-MCM-41(C,d) | 3.82 | 4.41 | 628 | 1.07 | 2.36 | 2.05 | 6.81 |
| 10CuO/Al-MCM-41(C,p) | 3.72 | 4.30 | 349 | 0.25 | 2.03 | 2.27 | 2.88 |
| 20CuO/Al-MCM-41(C,p) | 3.72 | 4.30 | 417 | 0.27 | 2.35 | 1.95 | 2.60 |
| 30CuO/Al-MCM-41(C,p) | 3.72 | 4.30 | 322 | 0.22 | 2.06 | 2.24 | 2.70 |
Notes: α0-pore parameter ( = 2d100/√3), t-pore wall thickness (t = α0-DBJH), V-pore volume, d-average pore diameter.
A-acetate, N-nitrate, S-sulfate, C-chloride; d-direct synthesis, p-post synthesis.