Air oxidation of sulfur mustard gas simulant using a pyrene-based metal-organic framework photocatalyst

Ghada Ayoub; Mihails Arhangelskis; Xuan Zhang; Florencia Son; Timur Islamoglu; Tomislav Friščić; Omar K. Farha

doi:10.26434/chemrxiv.9717011.v1

Air oxidation of sulfur mustard gas simulant using a pyrene-based metal-organic framework photocatalyst

Ghada Ayoub, Mihails Arhangelskis, Xuan Zhang, Florencia Son, Timur Islamoglu, Tomislav Friščić^*, Omar K. Farha

^*Corresponding author for this work

Chemistry

Research output: Contribution to journal › Article › peer-review

Abstract

We demonstrate a microporous metal-organic framework NU-400 based on a 2,7-disubstituted pyrene linker as a highly efficient photosensitizer for generating singlet oxygen and subsequent oxidative degradation of chemical warfare agents (CWAs). The high activity of NU-400 permits photocatalytic conversion of the 2-chloroethyl ethyl sulfide (CEES) mustard gas simulant into a benign sulfoxide derivative, in air, with less than 15 minutes half-life. This is a considerable improvement to NU-1000, based on a 1,3,6,8-tetrasubstituted pyrene unit, demonstrating how variation of the substitution pattern of a metal-organic framework linker permits modification of its photoactive behavior.

Original language	English (US)
Journal	Unknown Journal
DOIs	https://doi.org/10.26434/chemrxiv.9717011.v1
State	Published - Aug 22 2019

ASJC Scopus subject areas

Chemistry(all)
Chemical Engineering(all)
Materials Science(all)

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title = "Air oxidation of sulfur mustard gas simulant using a pyrene-based metal-organic framework photocatalyst",

abstract = "We demonstrate a microporous metal-organic framework NU-400 based on a 2,7-disubstituted pyrene linker as a highly efficient photosensitizer for generating singlet oxygen and subsequent oxidative degradation of chemical warfare agents (CWAs). The high activity of NU-400 permits photocatalytic conversion of the 2-chloroethyl ethyl sulfide (CEES) mustard gas simulant into a benign sulfoxide derivative, in air, with less than 15 minutes half-life. This is a considerable improvement to NU-1000, based on a 1,3,6,8-tetrasubstituted pyrene unit, demonstrating how variation of the substitution pattern of a metal-organic framework linker permits modification of its photoactive behavior.",

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AU - Ayoub, Ghada

AU - Arhangelskis, Mihails

AU - Zhang, Xuan

AU - Son, Florencia

AU - Islamoglu, Timur

AU - Friščić, Tomislav

AU - Farha, Omar K.

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