利用凝胶-燃烧法在弱还原气氛中合成了高亮度的蓝紫色CaMgSi2O6∶Eu2+荧光材料,研究了Eu2+不同掺杂浓度及还原温度对材料发光性能的影响,得出Eu2+的浓度为2%,还原温度为1100℃时,材料的发光性能最好.光谱分析表明,此发光体在450nm处有一个宽的发射峰,这个发射峰是由Eu2+的4f65d1→4f7跃迁所导致的,Eu2+在CaMgSi2O6∶Eu2+中形成六配位的发光中心.
参考文献
| [1] | 姜岭,常程康,毛大立.稀土激发的CaMgSi2O6的长余辉发光特性[J].功能材料,2004(02):233-235. |
| [2] | Yong-Il Kim;Seung-Hoon Nahm;Won Bin Im;Duk Young Jeon;Duncan H. Gregory .Structural refinement of Eu doped CaMgSi_2O_6 using X-ray powder diffraction data[J].Journal of Luminescence: An Interdisciplinary Journal of Research on Excited State Processes in Condensed Matter,2005(1/2):1-6. |
| [3] | Im WB;Kang JH;Lee DC;Lee S;Jeon DY;Kang YC;Jung KY .Origin of PL intensity increase of CaMgSi2O6 : Eu2+ phosphor after baking process for PDPs application[J].Solid State Communications,2005(3):197-201. |
| [4] | 周丹,何大伟,侯涛.CaMgSi2O6：Eu的真空紫外光谱特性[J].光谱学与光谱分析,2007(05):978-981. |
| [5] | 翟永清,孟媛,曹丽莉,周健.蓝色长余辉发光材料Sr2MgSi2O7：Eu2+,Ln3+的合成和性质[J].材料导报,2007(08):125-128. |
| [6] | L. Jiang;C. Chang;D. Mao .Luminescent properties of CaMgSi_2O_6-based phosphors co-doped with different rare earth ions[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2004(1/2):211-215. |
| [7] | 石鹏途,舒万艮,于健,吕兴栋.CaO-SiO2-B2O3玻璃中Sm3+的发光性质[J].稀土,2005(06):8-11. |
| [8] | 李强;高濂;严东升 .纳米Y2O3:Eu3+的荧光特性[J].无机材料学报,1997,12(02):237-241. |
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%