Bioinspired Metal-Organic Framework for Trace CO2 Capture

被引：138
|
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
收藏
页码：12662 / 12666
页数：5
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