Table 2 Porosity properties of ZIF-8 prepared in this study and other references.
Samples | Hmim/Zn molar ratio | Uptake of N2 (i) (cm3/g STP) | Uptake of N2 (ii) (cm3/g STP) | BET surface area (m2/g) | Langmuir surface area (m2/g) | Micropore volumea (cm3/g) |
|---|---|---|---|---|---|---|
A | 1 | 212 | 282 | 880 | 1295 | 0.42 |
B | 2 | 260 | 358 | 1097 | 1613 | 0.54 |
C | 4 | 282 | 395 | 1228 | 1897 | 0.59 |
D | 8 | 295 | 414 | 1268 | 1943 | 0.62 |
E | 16 | 223 | 306 | 955 | 1449 | 0.45 |
Reference | ||||||
10.8 | — | — | 1237 | — | 0.66 | |
8 | — | — | 1700 ± 30 | — | 0.66 | |
7.9 | — | — | 1386 | — | 0.61 | |
8 | — | — | 1258 | — | 0.62 | |
