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Atomic resolution tracking of nerve-agent simulant decomposition and host metal-organic framework response in real space

Chemistry

Atomic resolution tracking of nerve-agent simulant decomposition and host metal-organic framework response in real space

M. W. Terban, S. K. Ghose, et al.

Discover how metal-organic frameworks (MOFs) like UiO-67 can revolutionize chemical warfare agent filtration by effectively capturing and decomposing harmful substances. This groundbreaking research was conducted by an expert team that sheds light on the intricate interactions between MOFs and nerve-agent simulants.

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Playback language: English
Abstract
Metal-organic frameworks (MOFs) are promising materials for chemical warfare agent (CWA) filtration due to their gas capture and sequestration properties. UiO-67, a Zr-based MOF, effectively adsorbs and decomposes the nerve-agent simulant, dimethyl methylphosphonate (DMMP). This study uses in situ X-ray total scattering measurements to quantitatively track the structural changes in both the MOF framework and DMMP during exposure. Atomic resolution reveals DMMP sorption and desorption within pores, association with linker-deficient Zr6 cores, and decomposition to irreversibly bound methyl methylphosphonate.
Publisher
Communications Chemistry
Published On
Jan 04, 2021
Authors
Maxwell W. Terban, Sanjit K. Ghose, Anna M. Plonka, Diego Troya, Pavol Juhás, Robert E. Dinnebier, John J. Mahle, Wesley O. Gordon, Anatoly I. Frenkel
Tags
metal-organic frameworks
chemical warfare agents
gas capture
dimethyl methylphosphonate
MOF structure
adsorption
decomposition

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