采用溶胶-凝胶技术制备了掺Tb3+的硅基材料并测试了其三维荧光光谱、激发光谱和发射光谱，结果显示：最佳激发波长为240nm，最强荧光波长为540nm，在540nm光下的激发光谱峰为240nm，在240nm光激发下的发射光谱显示Tb3+的特征发射光谱，产生4条谱带，分别是492nm(5D4-7F6)、542nm(5D4-7F5)、593nm(5D4-7F4)及614nm(5D4-7F3)。
The silica material doped with Tb3+ ions was synthesized by sol-gel process.The fluorescence spectra of Tb3+ was investigated.Three dimensional fluorescence spectra show that the optimum excitation wavelength is 240nm,the strongest emission wavelength is 540nm.Excitation spectra show the excitation peak position is 240nm at 540nm,emission spectra show characteristic emission spectra due to 492nm(5D4-7F6)，542nm(5D4-7F5)，593nm(5D4-7F4) and 614nm(5D4-7F3)at room temperature upon excitation with 240nm light.
参考文献
| [1] | Cao ZC.;Samuels WD.;Exarhos GJ.;Lee BI. .Photoluminescence of EU3+ ion doped phosphate ceramics[J].Journal of Applied Physics,1998(4):2222-2227. |
| [2] | Osvaldo A Serra;Eduardo J Nassar;Ieda L V Rosa .Tb3+ molecular photonic devices supported on silica gel and functionalized silica gel[J].Journal of Luminescence,1997,72-74:263. |
| [3] | Bing yan;Hong-jie Zhang;Shu-bin Wang;Jia-zuan Ni .Luminescence properties of the ternary rare earth complexes with β-diketones and 1,10-phenanthrolin incorporated in silica matrix by a sol-gel method[J].Materials Chemistry and Physics,1997,51:92. |
| [4] | Lingdong Sun;Chunhua Yan;Changhui Liu et al.Study of the optical properties of Eu3+-doped ZnS nanocrystals[J].Journal of Alloys and Compounds,1998,275-277:234. |
| [5] | 彭绍琴,李越湘,刘蓓,刘光华,李德星.溶胶-凝胶法合成Y2O3-SiO2：Eu3+,Bi3+发光体及发光特性研究[J].稀土,1999(05):12-14. |
| [6] | 叶辉;姜中宏 .溶胶-凝胶法在激光及非线性光功能材料上的应用[J].材料研究学报,1995,9(04):321. |
| [7] | 孙纲;杨森 .新颖的玻璃制备方法:溶胶-凝胶法[J].化学通报(印刷版),1990,11:45. |
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