| 范文博,江元汝,徐 婷,李 兆,陈利君.稀土(Y、Pr、Tb)希夫碱配合物的合成、结构及荧光性质[J].材料导报,2015,29(6):15-20 |
| 稀土(Y、Pr、Tb)希夫碱配合物的合成、结构及荧光性质 |
| Synthesis,Crystal Structure and Luminescent Properties of Y, Pr and Tb-Schiff Base Complexes |
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| DOI：10.11896/j.issn.1005-023X.2015.06.004 |
| 中文关键词: 稀土配合物 晶体结构 荧光性质 合成 |
| 英文关键词: rare earth complex, crystal structure, fluorescent property, synthesis |
| 基金项目:国家自然科学基金(21205092);陕西省重点实验室(商洛学院)开放基金项目(2014SKY-WK009) |
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| 中文摘要: |
| 以水杨醛苯甲酰腙为配体(H2L),采用溶剂热法,合成了3种稀土[Y、Pr、Tb]配合物。通过红外光谱、热重分析、元素分析、紫外及荧光光谱对其进行了表征,并用X单晶衍射测定了钇配合物的结构。其结构以4个对称的金属核为骨架,每个金属核上带有2个配体,属于四方晶系,P4/ncc空间群,a=2.1656(2) nm,b=2.1656(2) nm,c=2.6668(4) nm,α=90°,β=90°,γ=90°,V=12.507(3) nm3,Z=16。荧光光谱表明,钇配合物在473 nm处有强的荧光发射,铽、镨配合物都表现出良好的特征荧光发射,其光致发光性能良好,有望在光学材料方面得到应用。 |
| 英文摘要: |
| Three rare earth [yttrium,praseodymium,terbium] complexes with the Schiff base ligands H2L(salicylaldehyde benzoyl hydrazone) were synthesized by solvothermal method and characterized by IR,TGA,elemental analysis, UV-Vis and PL.Using single-crystal X-ray diffraction,the crystal structure of yttrium complex was determined to have four symmetrical metal centers as skeletons. Each metal center was coordinated with two ligands.The complexes crystallized in tetragonal system, P4/ncc space group,a=2.1656(2) nm,b=2.1656(2) nm,c=2.6668(4) nm,α=90°,β=90°, γ=90°,V=12.507(3) nm3,Z=16. Fluorescence spectroscopy showed that yttrium complex exhibited a strong fluorescence emission of 473 nm,while Tb, Pr complexes exhibited good characteristic transitions.The complexes have excellent photoluminescence and might be useful in optical materials. |
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