Novel heteroleptic lanthanide organic frameworks containing pyridine-2,5-dicarboxylic acid and in situ generated piperazine-2,5-dicarboxylic acid from piperazine: Hydrothermal synthesis and luminescent properties

被引：32
作者：
Ay, Burak [1 ]
Yildiz, Emel [1 ]
Kani, Ibrahim [2 ]
机构：
[1] Cukurova Univ, Arts & Sci Fac, Dept Chem, TR-01330 Adana, Turkey
[2] Anadolu Univ, Dept Chem, TR-26470 Eskisehir, Turkey
来源：
JOURNAL OF SOLID STATE CHEMISTRY | 2016年 / 233卷
关键词：
Hydrothermal synthesis; 2,5-pyridinedicarboxylic acid; Ce(III) and Pr(III) Coordination polymers; 2,5-piperazinedicarboxylic acid; Luminescence; CE(III) COORDINATION POLYMERS; PYRIDINE-2,6-DICARBOXYLIC ACID; 2,5-PYRIDINEDICARBOXYLIC ACID; CRYSTAL-STRUCTURE; TEMPERATURE-DEPENDENCE; SOLVOTHERMAL SYNTHESES; COMPLEXES; LIGAND; LN; ND;
D O I：
10.1016/j.jssc.2015.09.036
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Two novel 3D lanthanide metal-organic frameworks [Ln(pydc)(pip)(1/2)(H2O] (Ln=Ce (1) and Pr (2), H(2)pydc=2,5-pyridinedicarboxylic acid, H(2)pip=2,5-piperazinedicarboxylic acid have been synthesized under hydrothermal conditions and characterized by elemental analysis, IR spectroscopy, thermogravi-metric analysis (TGA), powder X-ray diffractions (PXRD), and single-crystal X-ray diffractions. Field emission scanning electron microscopy (FESEM) was used for morphological analysis. Complexes are isostructural and feature interesting 3D frameworks. Both compounds crystallize in the monoclinic system, space group P2(1)/c. Structural analyses of I and 2 show that Ln(3+) ions connect with each other through H(2)pydc and H(2)pip. To the best of our knowledge, they are the first heteroleptic lanthanide polymers obtained through in situ 2,5-piperazinedicarboxylic acid syntheses. Moreover, thermal and luminescent properties of the compounds have been investigated. (C) 2015 Elsevier Inc. All rights reserved.
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页码：44 / 51
页数：8
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