采用固相法制备了Sr10P6O24Cl2∶Eu2+荧光粉,确定了适用于Sr10P6O24Cl2∶Eu2+荧光粉制备的方法及工艺条件,并利用XRD、激发光谱和发射光谱等方法分析表征样品的结构和光学性能.研究了Eu2在基质中所占的格位以及Eu2+浓度对样品发光强度的影响.实验结果表明,原料在900～1100℃下烧结4h,制得了能够发射较好蓝光的Sr10P6O24Cl2∶Eu2+荧光粉.
参考文献
| [1] | White-Light Emission From Near UV InGaN-GaN LED Chip Precoated With Blue/Green/Red Phosphors[J].IEEE Photonics Technology Letters,2003(1):18-20. |
| [2] | Schlotter P;Schmidt R;Schneider J .Luminescence conversion of blue light emitting diodes[J].Applied physics, A. Materials science & processing,1997(4):417-418. |
| [3] | 杨志平,韩月,宋延春,赵青,潘飞,周东站.单一基质白光荧光粉Sr3Bi1-x（PO4）3∶Dy3+的制备与发光性能研究[J].人工晶体学报,2012(03):632-635,641. |
| [4] | Masayoshi Mikami;Naoto Kijima .5d Levels of rare-earth ions in oxynitride/nitride phosphors: To what extent is the idea covalency reliable?[J].Optical materials,2010(2):145-148. |
| [5] | Dong Kyun Yim;Hee Jo Song;In-Sun Cho;Ju Seong Kim;Kug Sun Hong .A novel blue-emitting NaSrPO_4:Eu~2+ phosphor for near UV based white light-emitting-diodes[J].Materials Letters,2011(11):1666-1668. |
| [6] | Yu, J.;Guo, C.;Ren, Z.;Bai, J. .Photoluminescence of double-color-emitting phosphor Ca_5(PO _4)_3Cl:Eu~2, Mn~2 for near-UV LED[J].Optics & Laser Technology,2011(4):762-766. |
| [7] | Piao, XQ;Machida, K;Horikawa, T;Yun, BG .Acetate reduction synthesis of Sr2Si5N8:Eu2+ phosphor and its luminescence properties[J].Journal of Luminescence: An Interdisciplinary Journal of Research on Excited State Processes in Condensed Matter,2010(1):8-12. |
| [8] | 王彦吉,赵纬,苏勉曾,宋增福.Sr9Ca（PO4）6Cl2：Eu2+晶体中的两种发光中心[J].发光学报,1990(02):122-125. |
| [9] | Li Guan;Chong Liu;Xu Li;Guoqi Jia;Qinglin Guo;Zhiping Yang;Guangsheng Fu .Synthesis and optical properties of KCaPO_4:Eu~2+ phosphor[J].Materials Research Bulletin: An International Journal Reporting Research on Crystal Growth and Materials Preparation and Characterization,2011(9):1496-1499. |
| [10] | 谢平波,段昌奎,张慰萍,闫阔,尹民,楼立人,夏上达.纳米晶Y2SiO5：Eu的浓度猝灭研究[J].发光学报,1998(01):19-23. |
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%