期刊
JOURNAL OF SOLID STATE CHEMISTRY
卷 206, 期 -, 页码 277-285出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jssc.2013.08.029
关键词
Lanthanide coordination polymer; Single crystal structure; Luminescence; Magnetic properties
资金
- National Natural Science Foundation of China [21071074, 21271098, 21273101]
- Foundation of the Back-bone Teachers in Universities of Henan Province, China [2012GGJS158]
- National innovative entrepreneurship training program in China University [201210482014]
- Ministry of Higher Education of Malaysia [UM.C/HIR-MOHE/SC/03]
A new family of five lanthanide-organic coordination polymers incorporating multi-functional N-hetrocyclic dicarboxylate ligand, namely, [Ln(2)(Hdpp)(2)(dpp)(2)](n) Ln=Pr(1), Eu(2), Gd(3), Dy(4), Er(5) (H(2)dpp= 1-(3, 4-dicarboxyphenyl) pyridin-4-ol) have been fabricated successfully through solvothermal reaction of 1-(3,4-dicarboxyphenyl)-4-hydroxypyridin-1-ium chloride with trivalent lanthanide salts, and have been characterized systematically. The complexes 1-5 are isomorphous and isostructural. They all feature three dimensional (3D) frameworks based on the interconnection of 1D double chains composed of the binuclear moiety [Ln(2)(Hdpp)(2)](4+) basic carboxylate as secondary building unit (SBU). The results of magnetic analysis shows the same bridging fashion of carboxylic group in this case results in the different magnetic properties occurring within lanthanide polymers. Moreover, the Eu(III) and Dy(III) complexes display characteristic luminescence emission in the visible regions. (C) 2013 Elsevier Inc. All rights reserved.
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