367694 Water-Stable Uio-66-Derived Metal-Organic Frameworks for Highly Efficient CO2 Separation

Thursday, November 20, 2014: 3:55 PM
312 (Hilton Atlanta)
Dan Zhao, Department of Chemical and Biomolecular Engineering, National University of Singapore, Singapore, Singapore and Zhigang Hu, National University of Singapore, Singapore, Singapore

A library of 20 UiO-66-derived metal-organic frameworks (MOFs) was synthesized in a combinatorial approach involving mixed ligand copolymerization and two post-synthetic modifications (PSMs) in tandem. These MOFs exhibit excellent water stabilities in a pH range of 1 to 12, together with high CO2 uptake capacities and selectivities revealed by the analysis of 147 isotherms, which make them promising adsorbents in adsorption-based CO2 separations such as post-combustion CO2 capture and natural gas upgrading.

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