期刊
CRYSTAL GROWTH & DESIGN
卷 17, 期 1, 页码 67-72出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.cgd.6b01197
关键词
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资金
- National Basic Research Program of China [2010CB923303]
Two new luminescent Cd(II)-metal-organic frameworks (MOFs), {[Cd(L)(BPDC)]center dot 2H(2)O)}(n) (1) and {[Cd(L)(SDBA)(H2O)]center dot 0.5H(2)O}(n) (2) [L = 4,4'-(2,5-bis(methylthio)-1,4-phenylene)dipyridine, H2BPDC = 4,4'-biphenyldicarboxylic acid, H(2)SDBA = 4,4'-sulfonyldibenzoic acid], have been solvothetmally synthesized using Cd2+ ion and L ligand in the presence of auxiliary ligands and characterized by infrared spectroscopy, elemental analysis, powder X-ray diffraction, and thermogravimetry measurement. Topological analyses reveal that MOF 1 is a 6-connected 3-fold interpenetrating pcu network, and MOF 2 is a new 4-connected 2-fold interpenetrating network. Fluorescence titration, cyclic and anti interference experiments demonstrate that MOFs 1 and 2 both are excellent probes for Fe3+, CrO42-, and Cr2O72-. The mechanisms of quenching are also deeply studied.
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