期刊
INORGANICA CHIMICA ACTA
卷 438, 期 -, 页码 128-134出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ica.2015.08.033
关键词
Coordination polymer; In situ synthesis; Luminescence; Lanthanide; N-heterocyclic carboxylate ligands
资金
- National Natural Science Foundation of China [21171065, 21201077]
A series of novel lanthanide coordination polymers (Ln-CPs) have been constructed by 2-(pyridin-2-yl-N-oxide)-1H-imidazole-4,5-dicarboxylate (H3POIDC) ligand, which derived from the partial oxidation of 2-(pyridin-2-yl)-1H-imidazole-4,5-dicarboxylate (H3PIDC) in situ reaction. Compounds 1-3 with the infinite left-and right-hand helices show 3D supramolecular structure constructing from 1D chains connecting each other through strong hydrogen-bond interactions. Compounds 4-7 show 2D layered structure with sql topology which are built from 4-connected nodes. Moreover, compounds 1-6 show strong luminescence emission in solid state, especially compound 1 exhibits obvious luminescence quenching for Hg2+ ion. (C) 2015 Elsevier B.V. All rights reserved.
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