采用高温固相法制备了SrS:Eu,Sm光激励发光材料.研究了稀土掺杂量对样品光激励发光性能的影响.XRD分析表明,在1000℃灼烧1 h的样品为SrS面心立方结构,晶格常数α=0.6020 nm;激发光谱表明,样品在紫外和可见光均有较强激发峰;样品的荧光发射光谱由3个发射峰组成,其主峰位于602.1 nm.红外光激励发射光谱是峰值位于602 nm附近的宽带谱,样品的光激励激发光谱是峰值位于1046 nm宽带谱,带宽在800～1400 nm.最佳稀土掺杂量为0.15%.
参考文献
| [1] | Lindmayer J .A new erasable optical memory[J].Solid State Technology,1988,31(08):135-138. |
| [2] | 张希艳,刘全生,卢利平,王晓春,柏朝辉.CaS：Ce,Sm的制备及性能表征[J].无机化学学报,2005(05):665-668. |
| [3] | Nanto H .Novel erasable and rewritable optical memory utilizing photostimulated luminescence in Eu and Sm codoped SrS phosphor ceramics[J].Japanese Journal of Applied Physics,1997,36:421-423. |
| [4] | 张希艳,刘全生,王晓春,柏朝辉,卢利平,宣依昉.红外上转换材料CaS：Eu,Sm的制备[J].红外与毫米波学报,2005(04):301-303. |
| [5] | Zhang Xiyan;Jiang Weiwei;Yang Kuisheng .Preparation of CaS: Eu~(2+), Sm~(3+) by Solid Reaction Method and Its Photostimulated Luminescence[J].Journal of Rare Earths,2004(4):466-469. |
| [6] | 刘全生,王晓春,柏朝辉,米晓云,卢利平,唐珊珊.存储型红外上转换材料的制备及性能研究[J].长春理工大学学报,2006(04):91-93. |
| [7] | 何志毅,王永生,孙力,徐征,徐叙瑢.（Ca,Sr）S：Eu,Sm的光激励发光和电子俘获机理的研究[J].光电子·激光,2003(07):729-732. |
| [8] | Nanto H;Komori H;Araki T et al.Photostimulated luminescence in CaxSr1-xS:Eu,Sm phosphor ceramics and its application to radiation dosimetry[J].SPIE,2001,4282:248-257. |
| [9] | Lu L P;Zhang X Y;Bai Z H et al.Synthesis and characterization of IR up-conversion material SrS:Eu,Sm[J].Journal of Rare Earths,2005,23(zk):44-47. |
| [10] | Jutamulia S;Storti G M;Lindmayer J et al.Use of electron trapping materials in optical signal processing-2.two-dimensional associative memory[J].Applied Optics,1991,30:2879-2884. |
| [11] | Ito;Kitayam K;Tamura Y .Optical outer-product learning in neural network using optically stimulable phosphor[J].OPTICS LETTERS,1990,15:860-862. |
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%