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新型链状镍配合物的水热合成及其性质

Li-qiang ZHANG,Ying WANG

Chinese Journal of Synthetic Chemistry(2019)

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Abstract
采用水热法合成了一种新型的镍配合物{[Ni(bipy)(H2O)4]·(H2Dhbs)2·(H2O)4}n(H2Dhbs=2,5-二羟基苯磺酸,bipy=4,4′-联吡啶),其结构和性能经FL,IR,元素分析,X-射线单晶衍射和TG表征.结果表明:bipy与镍离子配位,形成链状结构.H2 Dhbs-配体没有参与配位,仅起平衡结构电荷的作用.在结构单元中,[Ni(bipy)(H2 O)4]2+,H2 Dhbs-和自由水分子之间通过氢键连接.与配体相比,配合物的荧光发射峰发生了红移,最大发射峰位于464 nm,荧光寿命为2.0817 ms.
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