Synthesis, crystal structure and luminescence properties of lanthanide complexes with a new semirigid bridging furfurylsalicylamide ligand

Synthesis, crystal structure and luminescence properties of lanthanide complexes with a new semirigid bridging furfurylsalicylamide ligand
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新型半刚性桥连糠基水杨酰胺配体稀土配合物的合成、晶体结构和发光性能

DOI:
10.1016/j.ica.2012.04.007
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发表时间:
2012-08
期刊:
Inorg Chim Acta
影响因子:
--
通讯作者:
Wei-Sheng Liu
Wei-Sheng Liu
中科院分区:
其他
文献类型:
--
作者:
Xue-Qin SonG;Li Wang;Qing-Fang Zheng;Wei-Sheng Liu

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本文报道了一种新型的基于半刚性桥联糠基水杨酰胺配体的镧系配位聚合物的合成,并通过元素分析、X射线粉末衍射和红外光谱对其进行了表征。配位聚合物[Pr 2L 3(NO3)6]∞具有二维的蜂窝状骨架结构,可以看作是一个以Pr 2L 3(NO3)6为“三通”中心的(6,3)拓扑网络.光致发光分析表明,配合物中存在有效的配体-Ln Ⅲ能量转移,配体是Tb Ⅲ的有效“天线”。从更一般的角度来看,本文所展示的结果提供了控制所需镧系元素配位结构的形成以丰富晶体工程策略的可能性,并扩大了用于开发水杨酰胺衍生物的优异发光镧系元素配合物的武库。
We present here new lanthanide coordination polymers based on a semirigid bridging furfurylsalicylamide ligand which were synthesized and characterized by elemental analysis, X-ray powder diffraction and IR measurements. The coordination polymer [Pr2L3(NO3)6]∞displays a two-dimensional honeycomb-like framework, which can be regarded as a (6,3) topological network with praseodymium atoms acting as “three-connected” centers. The photoluminescence analysis indicates that there is an efficient ligand-to-LnIII energy transfer in TbIII complex and the ligand is an efficient “antenna” for TbIII. From a more general perspective, the results demonstrated herein provide the possibility of controlling the formation of the desired lanthanide coordination structure to enrich the crystal engineering strategy and enlarges the arsenal for developing excellent luminescent lanthanide complexes of salicylamide derivatives.
发射性铽基锌传感器的设计、合成、晶体结构和光物理研究
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