期刊
CHEMISTRY-A EUROPEAN JOURNAL
卷 21, 期 11, 页码 4413-4421出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.201406349
关键词
gas sorption; magnetic properties; metal-organic frameworks; photocatalytic degradation; Schiff bases
资金
- National Natural Science Foundation of China [21277022, 21371030, 21301026, 21471029]
- Science Foundation of Jilin Province [201215005]
Two examples of heterometallic-organic frameworks (HMOFs) composed of dicarboxyl-functionalized Fe-III-salen complexes and d(10) metals (Zn, Cd), Zn-2(Fe-L)(2)(m(2)-O)(H2O)(2)]center dot 4DMF center dot 4H(2)O (1) and Cd-2(Fe-L)(2)(mu(2)-O)(H2O)(2)]center dot 2DMF center dot H2O (2) (H4L= 1,2-cyclohexanediamino-N,N'-bis(3-methyl-5-carboxysalicylidene), have been synthesized and structurally characterized. In 1 and 2, each square-pyramidal Fe-III atom is embedded in the N2O2] pocket of an L4- anion, and these units are further bridged by a mu(2)-O anion to give an (Fe-L) 2(mu(2)-O) dimer. The two carboxylate groups of each L4- anion bridge Zn-II or Cd-II atoms to afford a 3D porous HMOF. The gas sorption and magnetic properties of 1 and 2 have been studied. Remarkably, 1 and 2 show activity for the photocatalytic degradation of 2-chlorophenol (2-CP) under visible- light irradiation, which, to the best of our knowledge, is the first time that this has been observed for Fe-III-salen-based HMOFs.
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