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Seed-Mediated Synthesis of Metal–Organic Frameworks

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.

J. Am. Chem. Soc., 2016, 138 (16), pp 5316–5320
DOI: 10.1021/jacs.6b01414

http://pubs.acs.org/doi/abs/10.1021/jacs.6b01414

发布日期:2016/09/12 发布者:网站管理员 点击数: