✦ LIBER ✦

Synthesis, Crystal Structure and Photoluminescent Properties of Two Novel Two-dimensional Coordination Networks Assembled by Lanthanide Salts and Carboxylate Ligand

✍ Scribed by Yajuan LI; Huihua SONG; Qing LIANG; Rong HE; Zhen WEI

Publisher: John Wiley and Sons
Year: 2009
Tongue: English
Weight: 417 KB
Volume: 27
Category: Article
ISSN: 0256-7660
DOI: 10.1002/cjoc.200990028

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✦ Synopsis

Two novel two-dimensional (2D) lanthanide(III) coordination polymers [Ln(PDC)(OH)(H 2 O) 2 ] n (Ln＝Eu (1) and Tb (2), H 2 PDC＝pyridine-3,4-dicarboxylic acid) have been synthesized under hydrothermal conditions, and characterized by elemental analysis, IR, TGA and single-crystal X-ray diffraction. Both compounds show the same 2D layer containing 1D Ln-O-Ln chains, and the layers are further connected through hydrogen-bonding as well as π-π stacking interactions into a three-dimensional supramolecular network. Furthermore, both compounds exhibit intense fluorescent emission bands in the solid state at room temperature.

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