期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 56, 期 46, 页码 14622-14626出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201709186
关键词
bromination reactions; metal-organic frameworks; nanocontainers; structural transformation; zirconium
资金
- Chinese Academy of Sciences [XDB20000000]
- Center for Gas Separations Relevant to Clean Energy Technologies, an Energy Frontier Research Center - U.S. Department of Energy, Office of Science, Office of Basic Energy Sciences [DE-SC0001015]
- National Science Foundation [DGE: 1252521]
- U.S. Department of Energy Office of Fossil Energy, National Energy Technology Laboratory [DE-FE0026472]
- National Science Foundation Small Business Innovation Research (NSF-SBIR) [1632486]
- 973 Program [2014CB932101, 2013CB933200]
- National Nature Science Foundation of China [21390392, 21731006]
- CAS [QYZDY-SSW-SLH025]
- Youth Innovation Promotion Association CAS
- Chun Miao Project of Haixi Institutes [CMZX-2016-001]
- Dow Chemical Graduate Fellowship
A series of flexible MOFs (PCN-605, PCN-606, and PCN-700) are synthesized and applied to reversible bromine encapsulation and release. The chemical stability of these Zr-MOFs ensures the framework's integrity during the bromine adsorption, while the framework's flexibility allows for structural adaptation upon bromine uptake to afford stronger host-guest interactions and therefore higher bromine adsorption capacities. The flexible MOFs act as bromine-nano-containers which elongate the storage time of volatile halides under ambient conditions. Furthermore, the bromine pre-adsorbed flexible MOFs can be used as generic bromine sources for bromination reactions giving improved yields and selectivities under ambient conditions when compared with liquid bromine.
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