新型酰胺类Salen型配体及其配合物的合成、结构及性能研究

发布时间：2019-02-17 18:26

【摘要】：基于其新颖的结构及优良的磁学、发光特性和催化特性,杂金属多核配合物在先进材料和催化领域有着潜在的应用。因此设计、合成适宜的有机配体来构筑兼具新颖结构及特异功能的杂金属多核配合物是现代配位化学领域的热点研究内容之一。酰胺型配体及其稀土配合物的结构新颖且荧光性能优良,席夫碱及其过渡金属配合物的合成简单且性能优异,因此以性能为导向设计、合成新型酰胺类Salen型配体对于构筑具有独特结构的过渡-稀土杂金属多核配合物具有重要的意义,研究其结构和性能之间的构效关系,对于制备潜在应用价值的功能分子材料有着至关重要的作用。本论文选用酰胺类Salen型配体与过渡-稀土金属离子反应设计合成了单一金属配合物及过渡-稀土杂金属多核配合物,利用X-射线单晶衍射仪测定了配合物的分子结构,通过一系列分析方法对配合物进行了表征,并研究了它们的晶体结构、磁学性质和发光性能。本论文共分为四个部分:一、介绍了多核金属配合物的应用,并阐述了本论文的研究背景目的及意义二、单一金属配合物的合成、结构及磁学性质研究三、系列杂金属多核配合物的合成、结构、荧光性能及磁学性质研究四、结果与展望:对以上两种酰胺类Salen型配体及其配合物的单晶结构,荧光性能以及磁学性质的研究结果对于基于该类多齿配体的过渡-稀土杂金属多核配合物构筑、潜在应用价值提供了有价值的基础实验数据,本论文的研究成果对于杂金属多核配合物的构效关系具有一定的指导意义。
[Abstract]:Due to its novel structure, excellent magnetic, luminescent and catalytic properties, hetero-metal polynuclear complexes have potential applications in advanced materials and catalytic fields. Therefore, the design and synthesis of suitable organic ligands for the construction of hetero-metal polynuclear complexes with novel structures and special functions is one of the hot topics in the field of modern coordination chemistry. The structure of amide-type ligands and their rare earth complexes are novel, and their fluorescence properties are excellent. The synthesis of Schiff base and its transition metal complexes is simple and excellent. The synthesis of new amides Salen type ligands is of great significance for the construction of transition rare earth hetero-metal polynuclear complexes with unique structure. The structure-activity relationship between their structures and properties is studied. It plays an important role in the preparation of functional molecular materials of potential application value. In this paper, a single metal complex and a transition rare earth metal polynuclear complex were designed and synthesized by the reaction of amide Salen type ligands with transition rare earth metal ions. The molecular structure of the complexes was determined by X-ray single crystal diffractometer. The complexes were characterized by a series of analytical methods and their crystal structure, magnetic properties and luminescence properties were studied. This thesis is divided into four parts: first, the application of polynuclear metal complexes is introduced, and the purpose and significance of this thesis are described. Secondly, the synthesis, structure and magnetic properties of single metal complexes are studied. Studies on the Synthesis, structure, fluorescence Properties and Magnetic Properties of a Series of Hetero-Metal Polynuclear complexes IV. The results and prospects: the single crystal structure of the above two amides Salen ligands and their complexes, The results of fluorescence properties and magnetic properties provide valuable experimental data for the construction of transition rare earth heterometallic polynuclear complexes based on this kind of polydentate ligands. The research results of this paper have certain guiding significance for the structure-activity relationship of hetero-metal polynuclear complexes.
【学位授予单位】：兰州交通大学
【学位级别】：硕士
【学位授予年份】：2016
【分类号】：O641.4

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