Crystal structures and luminescent properties modulated by auxiliary ligands for series of lanthanide coordination polymers with triazole-benzoic acid

被引：8
作者：
Zhong, Jun-Xing [1 ]
Zhang, Hong-Hong [1 ]
Gao, Xiang [1 ]
Ou, Yong-Cong [1 ]
Wu, Jian-Zhong [1 ]
Cai, Yue-Peng [1 ]
机构：
[1] South China Normal Univ, Sch Chem & Environm, Guangzhou Key Lab Mat Energy Convers & Storage, Guangzhou 510006, Guangdong, Peoples R China
来源：
INORGANIC CHEMISTRY COMMUNICATIONS | 2016年 / 71卷
关键词：
Lanthanide coordination polymers; Triazole ligand; Luminescence; Auxiliary ligands; METAL-ORGANIC FRAMEWORKS; COMPLEXES; DESIGN; TB3+; EU; ND; SM;
D O I：
10.1016/j.inoche.2016.06.024
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Two series of lanthanide coordination polymers, {[Ln(2)(tabc)(4)(C2O4)(H2O)(5)]center dot H2O}n (Ln = Nd (1), Sm (2), Eu (3), Htabc = 4-(1-1,2,4-triazolyl)benzoic acid) and {[Sm(tabc)(1,2-pdc)(H2O)(2)]center dot 2H(2)O)(n) (4), have been constructed via hydrothermal conditions through adding different auxiliary ligands. Compounds 1-3 are two dimensional coordination layer comprised of {Ln1(COO)(2)} chains and {Ln2(COO)(2)} dinuclear units which are connected by oxalate groups, whereas compound 4 is one dimensional chain containing {Sm-2(COO)(2)} dinuclear units. The IR spectra and thermal stabilities of all compounds have been studied in detail. Compound 3 shows characteristic emission of Eu3+ ions, and it is noteworthy that the luminescent properties for 2 shows no emission peaks whereas that for 4 exhibits characteristic absorption bands of Sm3+ ions. CCDC: 1478487, 1478488, and 1478495 (C) 2016 Elsevier B.V. All rights reserved.
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页码：1 / 4
页数：4
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