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. 2016 Nov 23;138(46):15134-15137.
doi: 10.1021/jacs.6b10316. Epub 2016 Nov 8.

Metalation of a Mesoporous Three-Dimensional Covalent Organic Framework

Luke A Baldwin  1 , Jonathan W Crowe  1 , David A Pyles  1 , Psaras L McGrier  1
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Metalation of a Mesoporous Three-Dimensional Covalent Organic Framework

Luke A Baldwin et al. J Am Chem Soc. .

Abstract

Constructing metalated three-dimensional (3D) covalent organic frameworks is a challenging synthetic task. Herein, we report the synthesis and characterization of a highly porous (SABET = 5083 m2 g-1) 3D COF with a record low density (0.13 g cm-3) containing π-electron conjugated dehydrobenzoannulene (DBA) units. Metalation of DBA-3D-COF 1 with Ni to produce Ni-DBA-3D-COF results in a minimal reduction in the surface area (SABET = 4763 m2 g-1) of the material due to the incorporation of the metal within the cavity of the DBA units, and retention of crystallinity. Both 3D DBA-COFs also display great uptake capacities for ethane and ethylene gas.

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