3D Microporous Lanthanide-Organic Frameworks Constructed from Left- and Right-Handed Helical Chains: Synthesis, Crystal Structure, and Tunable Photoluminescence

被引：5
|
作者：
Huo, Rui [1 ]
Li, Xia [1 ]
Ma, Dou [1 ]
机构：
[1] Capital Normal Univ, Deparment Chem, Beijing Key Lab Opt Mat & Photon Devices, Beijing 100048, Peoples R China
来源：
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY | 2015年 / 05期
基金：
中国国家自然科学基金;
关键词：
Microporous materials; Metal-organic frameworks; Helical structures; Lanthanides; Fluorescence; Luminescence; WHITE-LIGHT EMISSION; PHOTOPHYSICAL PROPERTIES; HIGHLY LUMINESCENT; SM(III) FRAMEWORK; ENERGY-TRANSFER; PRIMARY COLORS; COMPLEXES; DESIGN; FIELD; TB3+;
D O I：
10.1002/ejic.201403026
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
New lanthanide-organic frameworks, [Ln(2)(2,6-NDS)(3)(IP)(H2O)(4)].H2O {Ln = Sm (1), Eu (2), Tb (3); 2,6-NDS = 2,6-Anaphthalenedisulfonate, IP = 1H-imidazo[4,5-f][1,10]-phenanthroline}, were synthesized and characterized. These complexes are isostructural and have three-dimensional structures (3D) composed of a pair of entanglement double helixes. The structure is an open framework with rhombic channels filled with uncoordinated water molecules. The photoluminescence properties of the Sm-III complex (1) and Eu-III/Tb-III-doped complex were explored by adjusting the excitation wavelengths. Interestingly, Sm-III complex 1 generated a white-light emission, whereas the Eu-III/Tb-III-doped complex (Tb0.95Eu0.05) allowed the realization of white-light emission under broad UV wavelengths. An energy transfer for (TbD4EuD0)-D-II5-D-III5 was observed.
引用
收藏
页码：852 / 858
页数：7
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