期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 141, 期 34, 页码 13601-13609出版社
AMER CHEMICAL SOC
DOI: 10.1021/jacs.9b06250
关键词
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资金
- MINECO (Spain) [CTQ2016-75671-P, MDM-2015-0538]
- Ministero dell'Istruzione, dell'Universita e della Ricerca (Italy)
- MINECO
- MIUR (Project PON R&I FSE-FESR 2014-2020)
- European Research Council under the European Union's Horizon 2020 Research and Innovation Programme/ERC Grant [814804]
We report a new water-stable multivariate (MTV) metal-organic framework (MOF) prepared by combining two different oxamide-based metalloligands derived from the natural amino acids L-serine and L-methionine. This unique material features hexagonal channels decorated with two types of flexible and functional arms (-CH2OH and -CH2CH2SCH3) capable of enabling, synergistically, the simultaneous and efficient removal of both inorganic (heavy metals such as Hg2+, Pb2+, and Tl+) and organic (dyes such as Pyronin Y, Auramine O, Brilliant green, and Methylene blue) contaminants, and, in addition, this MTV-MOF is completely reusable. Single-crystal X-ray diffraction measurements allowed solving the crystal structure of a host-guest adsorbate, containing both HgCl2 and Methylene blue, and offered unprecedented snapshots of this unique dual capture process. This is the very first time that a MOF can be used for the removal of all sorts of pollutants from water resources, thus opening new perspectives for this emerging type of MTV-MOF.
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