期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 54, 期 47, 页码 13902-13906出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201505149
关键词
adsorption; C-H activation; chlorofluorocarbons; fluorocarbons; metal-organic frameworks
资金
- University of Houston and its Grant to Advance and Enhance Research
- National Science Foundation [DMR-1507664, CHE-1346572]
- Welch Foundation [E0024, E-1768]
- U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-AC02-06CH11357]
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [1346572] Funding Source: National Science Foundation
- Direct For Mathematical & Physical Scien
- Division Of Materials Research [1507664] Funding Source: National Science Foundation
Two mesoporous fluorinated metal-organic frameworks (MOFs) were synthesized from extensively fluorinated tritopic carboxylate- and tetrazolate-based ligands. The tetra-zolate-based framework MOFF-5 has an accessible surface area of 2445 m(2) g(-1), the highest among fluorinated MOFs. Crystals of MOFF-5 adsorb hydrocarbons, fluorocarbons, and chlorofluorocarbons (CFCs)-the latter two being ozone-depleting substances and potent greenhouse species-with weight capacities of up to 225%. The material exhibits an apparent preference for the adsorption of non-spherical molecules, binding unusually low amounts of both tetrafluoro-methane and sulfur hexafluoride.
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