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Extraordinary NO2 Removal by the Metal–Organic Framework UiO‐66‐NH2
Authors:Gregory W. Peterson  John J. Mahle  Jared B. DeCoste  Wesley O. Gordon  Joseph A. Rossin
Affiliation:1. Edgewood Chemical Biological Center, Aberdeen Proving Ground, MD, USA;2. Guild Associates, Inc., Dublin, OH, USA
Abstract: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 1.4 g 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.
Keywords:diazonium ion  filtration  metal–  organic framework  nitrogen dioxide  UiO-66-NH2
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