Microporous Copper Isophthalate Framework of mot Topology for C2H2/CO2 Separation

被引：47

作者：

Cui, Hui ^{[1
]}

Ye, Yingxiang ^{[1
]}

Arman, Hadi ^{[1
]}

Li, Zhiqiang ^{[1
]}

Alsalme, Ali ^{[2
]}

Lin, Rui-Biao ^{[1
]}

Chen, Banglin ^{[1
]}

机构：

[1] Univ Texas San Antonio, Dept Chem, San Antonio, TX 78249 USA

[2] King Saud Univ, Coll Sci, Chem Dept, POB 2455, Riyadh 11451, Saudi Arabia

来源：

CRYSTAL GROWTH & DESIGN | 2019年 / 19卷 / 10期

关键词：

METAL-ORGANIC FRAMEWORKS; EFFICIENT SEPARATION; ACETYLENE; STORAGE; ENVIRONMENT; ADSORPTION; PROPYLENE; CHEMISTRY; POROSITY; CO2;

D O I：

10.1021/acs.cgd.9b00850

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Separating acetylene (C2H2) from carbon dioxide (CO2) is highly challenging under mild conditions owing to their extreme similarity in molecular properties. Herein, a mot-type microporous metal-organic framework [Cu(BDC-Br)(H2O)(0.5)(DMF)(2.5)] (H2BDC-Br = 4-bromoisophthalic acid, DMF = N,N'-dimethylformamide) featuring a dicopper paddlewheel, has been evaluated for C2H2/CO2 separation. Gas sorption measurements have revealed this MOF exhibits considerable C2H2 uptake capacity with a C2H2/CO2 selectivity of 3.9 at room temperature and 1 atm. The separation performance was further illustrated by breakthrough experiments upon a 50/50 C2H2/CO2 mixture, suggesting the potential of this material for challenging separation of C2H2/CO2.

引用

页码：5829 / 5835

页数：7

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