期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 138, 期 16, 页码 5316-5320出版社
AMER CHEMICAL SOC
DOI: 10.1021/jacs.6b01414
关键词
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资金
- 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]
- NSFC [21371162, 51301159, 21521001]
- 973 Program [2014CB931803]
- Recruitment Program of Global Experts
- Fundamental Research Funds for the Central Universities [WK2060190026, WK2060190065]
The synthesis of phase-pure metal organic frameworks (MOFs) is of prime importance but remains a significant challenge because of the flexible and diversified coordination modes between metal ions and organic linkers. In this work, we report the synthesis of phase-pure MOFs via a facile seed-mediated approach. For several accompanying pairs of Zr-porphyrinic MOFs that are prone to yield mixtures, by fixing all reaction parameters except introducing seed crystals, MOFs in phase-pure forms have been obtained because the stage of MOF nucleation, which generates mixed nuclei, is bypassed. In addition, phase-pure MOF isomers with distinct pore structures have also been prepared through such an approach, revealing its versatility. To the best of our knowledge, this is an initial report on seed assisted synthesis of phase-pure MOFs.
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