Porous Metal-Organic Frameworks (MOFs) have potential as superior sorbent materials capable of capturing, transporting and neutralizing hazardous chemical agents. The UiO family of MOFs, in particular, offer a high degree of chemical, structural and thermal stabilities making them amenable for a wide-range of protective applications. A combination of Temperature-Programmed Desorption Mass Spectrometry (TPD-MS) and <i>in situ</i> FTIR spectroscopy was applied to understand the uptake, transport and desorption interactions of the nerve agent simulants, dimethyl methylphosphonate (DMMP) and isopropanol with UiO-series MOFs. Isopropanol has been suggested as a simple and benign alternative to some traditional CWA simulants, providing detailed information on the structure-activity relationship of key structural functionality of live agents and MOFs, while minimizing experimental exposure risk. This multi-technique approach enables a fundamental understanding of chemical warfare agent (CWA) simulant interactions with single component MOFs and informs the rational design of stratified MOF materials with diverse functionality capable of selectively transporting an analyte of interest through various MOF strata. Ultimately, this provides information necessary for the design of materials with selective analyte uptake and transport mechanisms necessary for the catalytic degradation within a stratified MOF core.

Capture and transport of nerve agent simulants within UiO-67 MOFs

Macromolecular Chemistry: The Second Century

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ACS Spring 2020 National Meeting & Expo

The official archive and repository for all ACS Meetings & Expositions abstracts and select posters or presentations.