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：78

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

来源：

ACS APPLIED MATERIALS & INTERFACES | 2018年 / 10卷 / 28期

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

页码：23802 / 23806

页数：5

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