Channel-wall functionalization in covalent organic frameworks for the enhancement of CO2 uptake and CO2/N2 selectivity.
DOI: 10.1039/C6RA04859EJan. 1, 2016
Adsorbents
-
[HO]100%–TAPH-COFs
[HO]25%–TAPH-COFs
[HO]50%–TAPH-COFs
[HO]75%–TAPH-COFs
[C=C]25%–TAPH_x0002_COFs
[C=C]]100%–TAPH_x0002_COFs
[C=C]]50%–TAPH_x0002_COFs
[C=C]]75%–TAPH_x0002_COFs
[N=N]100%–TAPH_x0002_COFs
[N=N]25%–TAPH_x0002_COFs
[N=N]50%–TAPH_x0002_COFs
[N=N]75%–TAPH_x0002_COFs
Data points
# | Adsorbent | Gas | q / mol kg⁻¹ | S / mol mol⁻¹ | -ΔH / kJ mol⁻¹ |
---|---|---|---|---|---|
3114 | [HO]25%–TAPH-COFs | Carbon dioxide/Nitrogen | 0.73 | 9.0 | 30.9 |
3115 | [HO]50%–TAPH-COFs | Carbon dioxide/Nitrogen | 0.84 | 11.0 | 28.2 |
3116 | [HO]75%–TAPH-COFs | Carbon dioxide/Nitrogen | 0.86 | 12.0 | 28.3 |
3117 | [HO]100%–TAPH-COFs | Carbon dioxide/Nitrogen | 0.86 | 15.0 | 31.1 |
3118 | [N=N]25%–TAPH_x0002_COFs | Carbon dioxide/Nitrogen | 2.61 | 111.0 | 43.4 |
3119 | [N=N]50%–TAPH_x0002_COFs | Carbon dioxide/Nitrogen | 1.52 | 59.0 | 36.0 |
3120 | [N=N]75%–TAPH_x0002_COFs | Carbon dioxide/Nitrogen | 1.0 | 53.0 | 31.0 |
3121 | [N=N]100%–TAPH_x0002_COFs | Carbon dioxide/Nitrogen | 0.89 | 74.0 | 30.7 |
3122 | [C=C]25%–TAPH_x0002_COFs | Carbon dioxide/Nitrogen | 0.91 | 16.0 | 30.3 |
3123 | [C=C]]50%–TAPH_x0002_COFs | Carbon dioxide/Nitrogen | 0.93 | 14.0 | 29.0 |
3124 | [C=C]]75%–TAPH_x0002_COFs | Carbon dioxide/Nitrogen | 0.93 | 16.0 | 28.7 |
3125 | [C=C]]100%–TAPH_x0002_COFs | Carbon dioxide/Nitrogen | 0.77 | 22.0 | 28.5 |