期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 54, 期 31, 页码 9001-9005出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201503741
关键词
chemical warfare agents; heterogeneous catalysis; metal-organic frameworks; photooxidation; singlet oxygen
资金
- DTRA [HDTRA-1-10-0023]
- National Science Foundation at the Materials Research Center of Northwestern University [DMR-1121262]
The photooxidation of a mustard-gas simulant, 2-chloroethyl ethyl sulfide (CEES), is studied using a porphyrin-based metal-organic framework (MOF) catalyst. At room temperature and neutral pHvalue, singlet oxygen is generated by PCN-222/MOF-545 using an inexpensive and commercially available light-emitting diode. The singlet oxygen produced by PCN-222/MOF-545 selectively oxidizes CEES to the comparatively nontoxic product 2-chloroethyl ethyl sulfoxide (CEESO) without formation of the highly toxic sulfone product. In comparison to current methods, which utilize hydrogen peroxide as an oxidizing agent, this is a more realistic, convenient, and effective method for mustard-gas detoxification.
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