Pore Space Partition within a Metal-Organic Framework for Highly Efficient C2 H2 /CO2 Separation

Journal of the American Chemical Society
Yingxiang YeBanglin Chen

Abstract

The pore space partition (PSP) approach has been employed to realize a novel porous MOF (FJU-90) with dual functionalities for the challenging C2H2/CO2 separation under ambient conditions. By virtue of a triangular ligand (Tripp = 2,4,6-tris(4-pyridyl)pyridine), the cylindrical channels in the original FJU-88 have been partitioned into uniformly interconnected pore cavities, leading to the dramatically reduced pore apertures from 12.0 × 9.4 to 5.4 × 5.1 Å2. Narrowing down the pore sizes, the resulting activated FJU-90a takes up a very large amount of C2H2 (180 cm3 g-1) but much less of CO2 (103 cm3 g-1) at 298 K and 1 bar, demonstrating it to be the best porous MOF material for this C2H2/CO2 (50%:50%) separation in terms of the C2H2 gravimetric productivity. IAST calculations, molecular modeling studies, and simulated and experimental breakthrough experiments comprehensively demonstrate that the pore space partition strategy is a very powerful approach to constructing MOFs with dual functionality for challenging gas separation.

References

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Citations

Jul 4, 2019·Dalton Transactions : an International Journal of Inorganic Chemistry·Yingxiang YeBanglin Chen
Apr 4, 2020·Advanced Materials·Yingxiang YeBanglin Chen
Jan 11, 2020·Acta Crystallographica. Section C, Structural Chemistry·Zhi Xiang WangBing Wu
May 16, 2020·Dalton Transactions : an International Journal of Inorganic Chemistry·Tingting XuYabing He
Jun 27, 2020·Chemical Communications : Chem Comm·Dongwook KimMyoung Soo Lah
Aug 8, 2020·Chemical Communications : Chem Comm·Soumya MukherjeeMichael J Zaworotko
Sep 5, 2019·Chemical Communications : Chem Comm·Hui-Min WenJun Hu
Oct 29, 2020·Dalton Transactions : an International Journal of Inorganic Chemistry·Gui-Fang HuaDan Li
Nov 6, 2020·Dalton Transactions : an International Journal of Inorganic Chemistry·Xing-Ping FuQing-Yan Liu
Nov 17, 2020·Dalton Transactions : an International Journal of Inorganic Chemistry·Shuang LiuJingui Duan
Nov 24, 2020·Chemical Society Reviews·Haozhen DouZhongwei Chen
Dec 16, 2020·Dalton Transactions : an International Journal of Inorganic Chemistry·Tingting XuYabing He
Jan 10, 2021·Nature Communications·Omid T QazviniShane G Telfer
Dec 29, 2020·Angewandte Chemie·Shanshan LiuLandong Li
Mar 2, 2021·Dalton Transactions : an International Journal of Inorganic Chemistry·Yong-Liang LiuBo Liu
Apr 21, 2021·Dalton Transactions : an International Journal of Inorganic Chemistry·Lizhen LiuShengchang Xiang
May 7, 2021·ACS Applied Materials & Interfaces·Xin ZhangBanglin Chen
Jul 2, 2021·Journal of the American Chemical Society·Liangjun ChenYongwu Peng
Jul 3, 2021·Dalton Transactions : an International Journal of Inorganic Chemistry·Ying LiChih-Min Wang
Jan 3, 2020·ACS Applied Materials & Interfaces·Qiubing DongJingui Duan
Aug 18, 2021·Accounts of Chemical Research·Rui-Biao LinBanglin Chen

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