| Autor: |
Mon M; Instituto de Ciencia Molecular (ICMol) , Universidad de Valencia , Paterna 46980 , Valencia , Spain., Bruno R; Dipartimento di Chimica e Tecnologie Chimiche (CTC) , Università della Calabria , Rende 87036 , Cosenza , Italy., Tiburcio E; Instituto de Ciencia Molecular (ICMol) , Universidad de Valencia , Paterna 46980 , Valencia , Spain., Viciano-Chumillas M; Instituto de Ciencia Molecular (ICMol) , Universidad de Valencia , Paterna 46980 , Valencia , Spain., Kalinke LHG; Instituto de Ciencia Molecular (ICMol) , Universidad de Valencia , Paterna 46980 , Valencia , Spain.; Instituto Federal de Goiás-IFG , 75131-457 , Anápolis , Goiás , Brazil., Ferrando-Soria J; Instituto de Ciencia Molecular (ICMol) , Universidad de Valencia , Paterna 46980 , Valencia , Spain., Armentano D; Dipartimento di Chimica e Tecnologie Chimiche (CTC) , Università della Calabria , Rende 87036 , Cosenza , Italy., Pardo E; Instituto de Ciencia Molecular (ICMol) , Universidad de Valencia , Paterna 46980 , Valencia , Spain. |
| Abstrakt: |
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" (-CH 2 OH and -CH 2 CH 2 SCH 3 ) capable of enabling, synergistically, the simultaneous and efficient removal of both inorganic (heavy metals such as Hg 2+ , Pb 2+ , 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 HgCl 2 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. |
