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

被引:72
作者
Buru, Cassandra T. [1 ]
Majewski, Marek B. [2 ,4 ]
Howarth, Ashlee J. [1 ,4 ]
Lavroff, Robert H. [1 ]
Kung, Chung-Wei [1 ]
Peters, Aaron W. [1 ]
Goswami, Subhadip [1 ]
Farha, Omar K. [1 ,3 ]
机构
[1] Northwestern Univ, Dept Chem, 2145 Sheridan Rd, Evanston, IL 60208 USA
[2] Northwestern Univ, Argonne Northwestern Solar Energy Res ANSER Ctr, Evanston, IL 60208 USA
[3] King Abdulaziz Univ, Fac Sci, Dept Chem, Jeddah 21589, Saudi Arabia
[4] Concordia Univ, Dept Chem & Biochem, 7141 Sherbrooke St W, Montreal, PQ H4B 1R6, Canada
基金
美国国家科学基金会;
关键词
chemical warfare agents; metal-organic frameworks; photosensitizer; singlet oxygen quantum yield; thin films; CHEMICAL WARFARE AGENTS; SULFUR MUSTARD; SELECTIVE PHOTOOXIDATION; COORDINATION POLYMERS; OXIDATION; SULFIDES; ANALOGS; CHARGE; STATE; MOFS;
D O I
10.1021/acsami.8b05792
中图分类号
TB3 [工程材料学];
学科分类号
0805 ; 080502 ;
摘要
The photocatalytically driven partial oxidation of a mustard gas simulant, 2-chloroethyl ethyl sulfide (CEES), was studied using the perylene-based metalorganic 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.
引用
收藏
页码:23802 / 23806
页数:5
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