Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 55, Issue 21, Pages 6235-6238Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201601782
Keywords
diazonium ion; filtration; metal-organic framework; nitrogen dioxide; UiO-66-NH2
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Funding
- Joint Science and Technology Office for Chemical Biological Defense [BA07PRO104]
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Here we discuss the removal of nitrogen dioxide, an important toxic industrial chemical and pollutant, from air using the MOF UiO-66-NH2. The amine group is found to substantially aid in the removal, resulting in unprecedented removal capacities upwards of 1.4g of NO2/g of MOF. Furthermore, whereas NO2 typically generates substantial quantities of NO on sorbents, the amount generated by UiO-66-NH2 is significantly reduced. Of particular significance is the formation of a diazonium ion on the aromatic ring of the MOF, and the potential reduction of NO2 to molecular nitrogen.
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