Journal
INORGANIC CHEMISTRY
Volume 58, Issue 15, Pages 9916-9921Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.inorgchem.9b01059
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Funding
- National Natural Science Foundation of China [31800793, 21871153]
- Tianjin Natural Science Foundation of China [18JCZDJC37300]
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Carbonic anhydrase (CA) mimicking is an effective and environmentally friendly strategy for carbon dioxide sequestration. Herein, we developed a nonanuclear CA-mimetic zinc coordination complex (1) which possesses a coordination environment similar to that of CA's catalytically active zinc sites. Complex 1 exhibited excellent reusability, solvent and thermal stability, and gram-scale synthesis, which are essential for practical applications. It was found that complex 1 exhibited outstanding catalytic performance that is much better in comparison to that of the popular CA-mimetic compound Zn-cyclen and comparable to that of the reported metal-organic frameworks (e.g., CFA-1). Moreover, we found that its catalytic activity can be significantly improved via OAc-/OH- exchange and particle size reduction treatment. This study provides important guidance for the design of highly efficient CA-mimetic materials.
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