利用低温固相反应合成了4种苯羟乙酸稀土配合物:RE(L)3·4H2O[RE＝La,Nd,Eu,Tb; L= C6H5CH(OH)COO-],并通过元素分析、稀土络合滴定、摩尔电导及热重分析确定了配合物的组成.红外光谱、核磁共振氢谱表明,苯羟乙酸稀土配合物中配体通过羧基以羧基氧负离子和醇羟基同时参与稀土离子(Ⅲ)配位,两分子水也参与稀土的配位.铕(Ⅲ)、铽(Ⅲ)配合物的荧光光谱和配体的磷光光谱表明,配体对铕(Ⅲ)、铽(Ⅲ)的荧光具有一定的敏化作用.
参考文献
| [1] | Bassi P S;Chopra G S;Kanwaljit kaur .EPR and thermal studies on the reaction of copper acetate with 8-hydroxyquinoline in the solid phase[J].Indian Journal of Chemistry,1990,29A(05):454-456. |
| [2] | 吕敬慈.镧与8-羟基喹啉配合物固相化学合成与表征[J].高等学校化学学报,1997(08):1262. |
| [3] | 李文先,田桂香,高金凤.邻氨基苯甲酸与氯化稀土配合物的固相合成及性质研究[J].化学试剂,2003(01):8-10. |
| [4] | 丁云峰,余锡宾,熊娟,王则民,王伟鸣,黄燕.室温固相法合成苯甲酸铕与苯甲酸铽荧光粉[J].稀土,2003(04):18-21. |
| [5] | Geary W J .The use of conductivity measurements in organic solvents for the characterization of coordination compounds[J].Coordination Chemistry Reviews,1971,7(01):81-92. |
| [6] | Manhass B S;Trikha A K .Relationships between the direction of shifts in the carbon-oxygen stretching frequencies of carboxylato complexes and the type of carboxylate coordination[J].Journal of the Indian Chemical Society,1982,59(02):315-318. |
| [7] | 李斌;张洪杰;马建方 .配体三重态能级的测定及其对稀土离子敏化作用的研究[J].化学物理学报,1998,11(02):152-154. |
| [8] | Sato S;Wada M .Relations between intramolecular energy transfer efficiencies and triplet state energies in rare earth β-diketone chelates[J].Bulletin of the Chemical Society of Japan,1970,43(07):1955-1958. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%