Table 1.
Characteristics of [FA][X]-derived NPCs.
| PSsa | Statea | Oven yield (wt%)b | Relative yield (%)c | SBET (m2 g−1) | vtot (cm3 g−1) | N (wt%)d | C (wt%)d | H (wt%)d | N (at%)e | O (at%)e | X (at%)e |
|---|---|---|---|---|---|---|---|---|---|---|---|
| [FA][NTf2] | L | 14.6 (22.2) | 65.8 | 657 | 0.509 | 3.241 | 82.34 | 1.098 | 3.2 | 2.8 | S-1.5 |
| [FA][H2PO4] | S | 13.8 (30.8) | 44.8 | 1350 | 1.027 | 1.782 | 77.81 | 1.758 | 2.1 | 4.3 | P-0.6 |
| [FA][H2PO4]-800 | 22.0 (30.8)c | 71.4 | 442 | 0.264 | 5.180 | 52.57 | 2.184 | 6.6 | 12.9 | P-4.8 | |
| [FA][HSO4] | S | 24.1 (30.8) | 78.2 | 304 | 0.128 | 2.527 | 77.80 | 1.638 | 4.3 | 8.0 | S-1.9 |
| [FA][CF3SO3] | S | 23.6 (29.2) | 80.8 | 654 | 0.317 | 2.594 | 84.39 | 1.024 | 2.7 | 6.1 | S-1.2 |
| [FA][BF4] | S | 23.6 (32.5) | 72.6 | 19 | 0.041 | 2.933 | 84.34 | 1.278 | 2.8 | 4.3 | B-0.1 |
| [FA][NO3] | S | 8.1 (37.5) | 21.6 | 440 | 0.188 | 2.656 | 78.79 | 1.831 | 2.2 | 3.8 | |
| [FA][Cl] | S | 26.8 (45.0) | 59.6 | 62 | 0.027 | 3.478 | 84.66 | 1.293 | 2.1 | 5.8 |
a
Bulk state at room temperature.
b
Values in parentheses are theoretical yield calculated based on the overall carbon content in PSs.
c
Oven yield/theoretical yield.
d
Determined by combustion elemental analysis (CHN, wt%).
e
Determined by high-resolution XPS (at%).