正文
Figure 1.
The advantages of pore structure based on CPMs, such as MOFs, MOCs, COFs, HOFs, and zeolites, are used for adsorptive and membrane separation.
Figure 2.
Timeline of our group's progress in the field of crystalline porous gas adsorbents and separation membranes
that are significantly improved in gas separation performance through structure regulation based on reticular chemistry.
Figure 3.
Unitary regulation:
(a) Illustration of
ftw
topology platform in Zr-MOFs based on different linkers. (b) Experimental column breakthrough curves of C
2
H
6
/
C
2
H
4
/C
2
H
2
(1/1/1) on UPC-613. (c) Structure of UPC-COF-1 and UPC-COF-2. (d) Cycling breakthrough tests of C
2
H
2
/CO
2
/CH
4
(1/1/3) on UPC-COF-1 at 298 K. (e) Structural regulation of MOCs (ZrT-1, ZrT-1-Me, ZrT-1-ethenyl, ZrT-1-alkyne). (f) Separation cycling test of C
2
H
2
/C
2
H
4
/C
2
H
6
(98/1/1) on ZrT-1-ethenyl at 298 K and 1 bar. Reproduced with permission from refs 34, 38, and 41, respectively. Copyright 2021, 2024, and 2024 Wiley-VCH GmbH, respectively.
Figure 4.
Dual regulation:
(a) Fine-tuning of pore environment through multi-functionalized ligand modification in an isoreticular MOF framework, coordination state of Cu
2
(COO)
4
SBU, and coordination modes of TTCA
3−
-R. (b) Pore environment engineering with multiple ligands and metal sites, coordination environment of Ni
3
O(COO)
6
SBU and coordination modes of TTCA
3−
. (c) C
3
H
6
and C
2
H
4
sorption isotherms at 298 K for iso-MOF-1, iso-MOF-2, iso-MOF-3, and iso-MOF-4. (d) Experimental column breakthrough curves for the C
3
H
6
/C
2
H
4
(1/1) mixture (298 K, 1 atm) in an absorber bed packed with iso-MOF-4. (e) Recyclability of C
2
H
4
capacity on iso-MOF-4 after C
3
H
6
/C
2
H
4
(1/1) breakthrough tests. Reproduced from refs 42 and 43, respectively. Copyright 2019 and 2019 American Chemical Society, respectively.
Figure 5.
Multiple cooperative regulation:
(a) Optimize the structure of MTV-UPC-200 from inorganic secondary building units (SBUs) [M
3
(μ
3
-O)(COO)
6
(OH)(H
2
O)
2
] (M
3+