Metal-organic frameworks (MOFs) are a family of nanoporous materials with exceptionally high surface areas and great structural diversity. Due to their permanent porosity and tunable functionality, MOFs are excellent materials for capturing and degrading various toxic chemicals. By changing the combinations of metal ions/clusters and organic linkers, the properties of MOFs can be tuned to achieve high adsorption and efficient catalytic degradation of various toxic compounds under visible light. In recent years, MOFs and MOF-based membranes have been studied for the removal and degradation of various organic pollutants in water. However, most papers to date focused on one particular MOF structure/topology in their respective studies. To establish the structure-property relationship for MOFs used for water remediation, we carried out a systematic investigation of how the structural features of MOFs, such as topology, pore size, ligand arrangement, functional groups, metal nodes, and metal-ligand combination, affect their adsorptive and catalytic properties. These studies have allowed us to further optimize MOF structures for efficient removal and degradation of various organic pollutants in water. This presentation will discuss recent discoveries we made in this area.

Optimizing metal-organic frameworks for the removal and degradation of organic pollutants in water

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ACS Fall 2022

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