Design and fabrication of novel coordination polymers containing Co(II), Ni(II), and Cu(II) for electrochemical detection of both ascorbic acid and Cr(VI)
Xiaohui Li, Bingqian Wang, Yue Gao, Guocheng Liu, Xiuli Wang
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引用次数: 0
Abstract
For the rapid detection of ascorbic acid (AA) and Cr(VI), three novel 2D coordination polymers (CP) with different metal centers [Co(L)(5-NIPA)(H2O)]·H2O (1), [Ni(L)(5-NIPA)(H2O)]·H2O (2) and [Cu(L)(5-NIPA)]·H2O (3) were synthesized by the traditionally hydrothermal method (L = N,N′-bis(pyridine-3-ylmethyl)-4-(4-carboxybenzyl)oxybenzamide, 5-NIPA = 5-nitroisophthalic acid). CPs 1 and 2 are isomorphic 2D regular (4,4)-connected networks, and CP 3 has a twisted 2D lamellar structure. All of the above complexes present highly sensitive and selective electrocatalytic sensing performances for AA and Cr(VI). The detection limits of the three complexes were 0.320, 3.360 and 3.600 μM for AA, and 0.2349, 0.9928 and 3.6054 μM for Cr(VI), respectively.
期刊介绍：
Transition Metal Chemistry is an international journal designed to deal with all aspects of the subject embodied in the title: the preparation of transition metal-based molecular compounds of all kinds (including complexes of the Group 12 elements), their structural, physical, kinetic, catalytic and biological properties, their use in chemical synthesis as well as their application in the widest context, their role in naturally occurring systems etc.
Manuscripts submitted to the journal should be of broad appeal to the readership and for this reason, papers which are confined to more specialised studies such as the measurement of solution phase equilibria or thermal decomposition studies, or papers which include extensive material on f-block elements, or papers dealing with non-molecular materials, will not normally be considered for publication. Work describing new ligands or coordination geometries must provide sufficient evidence for the confident assignment of structural formulae; this will usually take the form of one or more X-ray crystal structures.
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