Mono- and heterometallic europium (III) and terbium (III) complexes: Synthesis, crystal structures and luminescent properties

被引：10
|
作者：
Xiong, Yan-Ju [1 ]
Huang, Pei-Ling [1 ]
Zhang, Xiao-Wei [1 ]
Huang, Wei-Yan [1 ]
Huang, Qiu-Hong [1 ]
Cheng, Qian [1 ]
Fang, Jie-Fang [1 ]
Li, Yun [1 ]
Zhu, Fei-Fei [1 ]
Yue, Shan-Tang [1 ]
机构：
[1] S China Normal Univ, Sch Chem & Environm, Guangzhou 510006, Guangdong, Peoples R China
来源：
INORGANIC CHEMISTRY COMMUNICATIONS | 2015年 / 56卷
基金：
中国国家自然科学基金;
关键词：
Eu(III); Tb(III); Crystal structures; Luminescent properties; Hydrogen bonding; METAL-ORGANIC FRAMEWORKS; COORDINATION POLYMERS; PHOTOLUMINESCENCE; ACID; EU(III); ADSORPTION; DIVERSITY; TB(III);
D O I：
10.1016/j.inoche.2015.03.023
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Four new rare earth organometallic coordination polymers [Eu-III(Hbidc)(pdc)center dot 2(H2O](2)center dot 4H(2)O (1), [Tb-(III)(Hbidc)(pdc)center dot 2(H2O)](2) (2), and {[Ln(III)Ag(I)(bidc)(pdc)center dot 2(H2O)]}(n)center dot H2O (Ln = Eu (3), Tb (4)) (H(2)bidc = 1H-benzimidazole-5,6-dicarboxylic acid, H(2)pdc = 2,6-pyridine dicarboxylic acid) have been synthesized through self-assembly reactions. The X-ray single crystal diffraction indicates that these complexes are isomorphous, namely triclinic P - 1. Interlayer O-H center dot center dot center dot O and C-H center dot center dot center dot O hydrogen bonding has been observed in the structure of four complexes, generating 1D zigzag infinite chain, 2D plane layer, and even 3D ladder-like supramolecular framework. Addition of silver nitrate to chemicals leads to massive restructuring and emission intensity enhancement of complexes 3 and 4. Furthermore, thermal stabilities and luminescent of 1-4 have also been discussed in detail. (C) 2015 Elsevier B.V. All rights reserved.
引用
收藏
页码：53 / 57
页数：5
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