摘要金属有机骨架材料(MOFs)是指金属离子中心和有机配体通过配位共价键或其它弱相互作用力而形成的周期性无限网络体系。这类化合物凭借其丰富的拓扑结构，较高的比表面积，结构的可设计性、剪裁性、易功能化、热稳定性高等特性，从而使其在气体存储、吸附、手性拆分、荧光、电化学、催化剂材料、分子磁体等方面都有着广泛的应用。由于羧酸类配位聚合物具有有趣的拓扑结构和在功能材料方面的潜在应用，本文以三苯甲烷-4,4',4''-三羧酸(TCOPM)为主配体，以含氮二齿配体2,2'-bipyridine (2,2'-bipy)、4,4'-bipyridine (4,4'-bipy)为辅助配体，与Co(NO3)2·6H2O通过溶剂热反应得到了2个配位聚合物，分别为Co2(αOH-TCOPM)(OH)(H2O)4·DMF (1) (αOH-TCOPM = 三苯甲醇-4,4',4''-三羧酸)，Co3(αOH-TCOPM)2(4,4'-bipy)3(H2O)6·2H2O (2)。晶体结构分析表明，配合物1为四边形的二维层状结构，配合物2为一维链和二维层相互贯穿的特殊二维网状结构。并采用红外光谱、粉末X射线衍射对配合物进行了表征，用热重分析仪研究了配合物的热稳定性。86201

毕业论文关键词： 羧酸类配位聚合物；TCOPM；Co（Ⅱ）；溶剂热法；结构

Abstract Metal organic frameworks (MOFs) are the central metal ion and an organic ligand coordinated by a covalent bond or other weak interactions which formed the formation of an infinite periodic network system。 Because this kind of compounds have abundant topological structure, high specific surface area, structured design, tailoring, easy functionalization and higher thermal stability properties，making it in gas storage, adsorption, chiral separation, fluorescence, electrochemistry, catalyst materials, is widely used in such aspects as molecular magnets。 Because of the carboxylic acid coordination polymer with interesting topology structure and potential applications in functional materials,this article selecting triphenylmethane - 4, 4 ', 4 ' '- tricarboxylic acid (TCOPM) ligands, with nitrogen bidentate ligand 2, 2' - bipyridine (2, 2 '- bipy), 4, 4' - bipyridine (4, 4 '- bipy) as an auxiliary ligand, with Co(NO3)2·6H2O by solvent thermal reaction has been two coordination polymers, respectively Co2(αOH-TCOPM)(OH)(H2O)4·DMF (1) (αOH-TCOPM = trityl alcohol - 4,4 ', 4' '- tricarboxylic acid), Co3(αOH-TCOPM)2(4,4'-bipy)3(H2O)6·2H2O (2) were synthesized by using a flexible multi-carboxylic acid triphenylmethane-4,4',4''-tricarboxylic acid (TCOPM), Co(NO3)2·6H2O and N-donor ligands (2,2'-bipyridine; 4,4'-bipyridine) through the solvothermal reaction。 X-ray crystallography analysis reveals that 1 exhibit a quadrilateral 2D layered structure, while 2 exhibit extraordinary 2D interpenetrating net structures。 These complexes were also characterized by IR and power X-ray diffraction, the thermal stability were studied by thermal-gravity analysis。

Keywords:  Carboxylic acid coordination polymers; TCOPM; Co (Ⅱ); solvothermal reaction; structure

目录

第一章 绪   论 1

1。1 配位化学 1

1。1。1 配位化学的概述 1

1。2 金属有机骨架材料 2

1。2。1 金属有机骨架材料的概述 2

1。2。2 金属有机骨架材料的研究进程 2

1。2。3 金属有机骨架材料的分类和合成方法 3

1。2。4 金属有机骨架材料合成的影响因素 4

   1。2。4。1 反应物对金属有机骨架材料合成的影响