期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 138, 期 46, 页码 15134-15137出版社
AMER CHEMICAL SOC
DOI: 10.1021/jacs.6b10316
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资金
- National Science Foundation (NSF) [DMR-0114098]
- Georgia Tech Facilitating Academic Careers in Engineering and Science (GT-FACES)
- American Chemical Society Petroleum Research Fund [55562-DNI7]
- Ohio State University
Constructing metalated three-dimensional (3D) covalent organic frameworks is a challenging synthetic task. Herein, we report the synthesis and characterization of a highly porous (SA(BET) = 5083 m(2) g(-1)) 3D COF with a record low density (0.13 g cm(-3)) containing, pi-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 (SA(BET) = 4763 m(2) 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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