Improving the Efficiency of Mustard Gas Simulant Detoxification by Tuning the Singlet Oxygen Quantum Yield in Metal-Organic Frameworks and Their Corresponding Thin Films

Cassandra T. Buru, Marek B. Majewski, Ashlee J. Howarth, Robert H. Lavroff, Chung Wei Kung, Aaron W. Peters, Subhadip Goswami, Omar K. Farha

Research output: Contribution to journalArticle

23 Citations (Scopus)

Abstract

The photocatalytically driven partial oxidation of a mustard gas simulant, 2-chloroethyl ethyl sulfide (CEES), was studied using the perylene-based metal-organic framework (MOF) UMCM-313 and compared to the activities of the Zr-based MOFs: PCN-222/MOF-545 and NU-1000. The rates of CEES oxidation positively correlated with the singlet oxygen quantum yield of the MOF linkers, porphyrin (PCN-222/MOF-545) < pyrene (NU-1000) < perylene (UMCM-313). Subsequently, thin films of UMCM-313 and NU-1000 were solvothermally grown on a conductive glass substrate to minimize catalyst loading and prevent light scattering by suspended MOF particles. Using a conductive glass support, the initial turnover frequencies of the MOFs in the photocatalytic reaction improved by 10-fold.

Original languageEnglish
Pages (from-to)23802-23806
Number of pages5
JournalACS Applied Materials and Interfaces
Volume10
Issue number28
DOIs
Publication statusPublished - 2018 Jul 18

All Science Journal Classification (ASJC) codes

  • Materials Science(all)

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