Identification of factors that affect the decomposition of organophosphates and thioethers have been investigated for the future development of applicable materials for air filtration media and self-decontaminating materials. Oxidation reduction reactions and catalysis involving polyoxometalate (POM) clusters have been well documented in the literature for various applications including water splitting and alcohol and alkene oxidations; therefore, an in-depth investigation into the mechanisms and interactions of POM clusters with organophosphate and thoiether contaminants has been performed. Herein, a systematic investigation employing a combinatorial approach in which the structural topologies, transition hetero-metal substitutions (Zr, Ni, Fe, Cu) and tailored solubility through cation exchange of POM clusters has enabled an improved understanding of the interactions of POMs with these contaminants. Effects of POM morphologies and hetero-metal selection on reaction rate and by-product generation from reactions with organic contaminant simulants were identified, as well as temperature, illumination, and solvent effects to understand mechanistic interactions.

Understanding interactions of organophosphates and thioethers with polyoxometalate clusters

251st National Meeting (2016)

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