Bioinspired Metal-Organic Framework for Trace CO2 Capture

被引：151

作者：

Bien, Caitlin E. ^{[1
]}

Chen, Kai K. ^{[2
]}

Chien, Szu-Chia ^{[3
]}

Reiner, Benjamin R. ^{[1
]}

Lin, Li-Chiang ^{[2
]}

Wade, Casey R. ^{[1
]}

Ho, W. S. Winston ^{[2
,3
]}

机构：

[1] Ohio State Univ, Dept Chem & Biochem, Columbus, OH 43210 USA

[2] Ohio State Univ, William G Lowrie Dept Chem & Biomol Engn, Columbus, OH 43210 USA

[3] Ohio State Univ, Dept Mat Sci & Engn, 116 W 19th Ave, Columbus, OH 43210 USA

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2018年 / 140卷 / 40期

关键词：

CARBON-DIOXIDE; AIR CAPTURE; FLUE-GAS; ADSORPTION; BICARBONATE; INSERTION; BINDING; COMPLEXES; MECHANISM; ALKYLAMINE;

D O I：

10.1021/jacs.8b06109

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A Zn benzotriazolate metal-organic framework (MOF), [Zn(ZnO2CCH3)(4)(bibta)(3)] (1, bibta(2-) = 5,5'-bibenzotriazolate), has been subjected to a mild CH3CO2-/HCO3- ligand exchange procedure followed by thermal activation to generate nucleophilic Zn-OH groups that resemble the active site of alpha-carbonic anhydrase. The postsynthetically modified MOF, [Zn-(ZnOH)(4)(bibta)(3)] (2*), exhibits excellent performance for trace CO, capture and can be regenerated at mild temperatures. IR spectroscopic data and density functional theory (DFT) calculations reveal that intercluster hydrogen bonding interactions augment a Zn-OH/Zn-O2COH fixation mechanism.

引用

页码：12662 / 12666

页数：5

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