光子学报, 2009, 38 (9): 2348, 网络出版: 2010-05-10
Sm1-xMx(TTA)3phen转光剂的合成及荧光性能
Synthesis and Fluorescence Properties of doping complexesSm1-xMx(TTA)3phen as Light Conversion AgentLI Jian,NI Ya-ru,ZHANG Yan,LU Chun-hua,XUE Jun-kai,XU Zhong-zi(Materials Science & Technology, Nanjing University of Technology, Nanjing 210009,China)
摘要
采用化学沉淀法合成了具有紫外转红光性能的转光剂Sm1-xMx(TTA)3phen (M=Y,Gd).借助红外光谱、紫外-可见光吸收光谱及荧光光谱对配合物的性能进行了表征.结果表明:Sm1-xMx(TTA)3phen与Sm(TTA)3phen的配位结构基本一致; 配合物的紫外光吸收特性主要由有机配体决定; 配合物吸收紫外光后, 均发出Sm3+的特征光, 其中Sm0.5Y0.5(TTA)3phen在647 nm处的荧光强度在配合物中最强, 达到9.5×106 cps; 敏化离子的掺入可以提高配合物的荧光强度, 荧光增强效果Y3+优于Gd3+.
Abstract
A series of doping complexes Sm1-xMx(TTA)3phen (M denotes Gd3+ or Y3+, TTA stands for 2-thenoyltrifluoroacetone, phen denotes 1,10-phenanthroline, x is the mole fraction of doping elements) as light conversion agent are synthesized by chemical precipitation method, and the characteristics of the compounds are performed using infra-red spectrum (IR), UV-visible absorption and fluorescence spectroscopy. The results indicate that the structure of Sm1-xMx(TTA)3phen are similar to Sm(TTA)3phen, and the characteristic UV absorption peaks of Sm1-xMx(TTA)3phen are depended on organic ligands. Photoluminescence measurements indicate that the complexes emit strong luminescence, which is determined by the transitions of center samarium ion under UV radiation. The strongest luminescence of Sm0.5Y0.5(TTA)3phen is at 647nm, up to 9.5×106 cps. The luminescence of Sm1-xMx(TTA)3 was enhanced with the addition of sensitized elements, Y3+ is better than Gd3+.
李剑, 倪亚茹, 张炎, 陆春华, 薛君凯, 许仲梓. Sm1-xMx(TTA)3phen转光剂的合成及荧光性能[J]. 光子学报, 2009, 38(9): 2348. 李剑, 倪亚茹, 张炎, 陆春华, 薛君凯, 许仲梓. Synthesis and Fluorescence Properties of doping complexesSm1-xMx(TTA)3phen as Light Conversion AgentLI Jian,NI Ya-ru,ZHANG Yan,LU Chun-hua,XUE Jun-kai,XU Zhong-zi(Materials Science & Technology, Nanjing University of Technology, Nanjing 210009,China)[J]. ACTA PHOTONICA SINICA, 2009, 38(9): 2348.
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