期刊
DALTON TRANSACTIONS
卷 42, 期 5, 页码 1603-1611出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c2dt31965a
关键词
-
资金
- Natural Science Foundation Project of Chongqing [CSTC 2011jjA50017]
Based on the redox-active L (N,N'-bis-(4-pyridyl)phthalamide) ligand, two porous MOFs formulated as Zn-6(BPC)(6)(L)(3)center dot 9DMF (H2BPC = 4,4'-biphenyldicarboxylic acid) (1) and Cd-2(TDC)(2)(L)(2)center dot 4H(2)O (H2TDC = 2,5-thiophenedicarboxylic acid) (2) were synthesized and structurally characterized by single-crystal X-ray diffractions. Complex 1 features a uninodal 5-connected 3-fold interpenetrated 3D framework with {4(6).6(4)}-bnn hexagonal BN topology. Complex 2 displays a uninodal 6-connected 2-fold interpenetrated 3D framework with {4(12).6(3)}-pcu topology. When complexes 1 and 2 are used as supercapacitor electrode materials, they can provide a large voltage window as high as 2.6 V in an aqueous electrolyte, and their specific capacitances are much more than the value for the bare carbon glassy electrode. It is observed that the more the current density, the less the specific capacitance for the two kinds of supercapacitor electrode materials. The two complexes show different thermal stabilities, UV absorption and photoluminescence properties.
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