以柠檬酸为络合物及助燃剂,使用简单的凝胶燃烧法,通过调整B2O3用量,制备出了不同含量Eu3+掺杂的Sr3 Y2( BO3)4基红光荧光粉.对所得样品进行了X射线衍射分析(XRD)、差热分析(DTA),扫描电镜分析(SEM)及荧光光谱分析(FDS).分析结果显示,样品的烧结温度比固相法降低了100℃,且其粉体的分散性和颗粒度都得到了改善,并且得到Eu3+最佳的掺杂浓度为12mol％.
参考文献
| [1] | Kim C.H.;Kwon I.E. .Phosphors for plasma display panels[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2000(1):33-39. |
| [2] | Okazaki C.;Suzuki T.;Suzuki K.;Shiiki M. .Luminance saturation properties of PDP phosphors[J].Journal of Luminescence: An Interdisciplinary Journal of Research on Excited State Processes in Condensed Matter,2000(0):1280-1282. |
| [3] | Roh H S;Kim E J;Kang H S et al.Vacuum Ultraviolet Characteristics of Nano-sized Gd2 O3:Eu Phosphor Particles[J].Japanese Journal of Applied Physics,2003,42:2741. |
| [4] | Wei ZG.;Sun LD.;Liao CS.;Jiang XC.;Yan CH.;Tao Y.;Hou XY.;Ju X. .Size dependence of luminescent properties for hexagonal YBO3 : Eu nanocrystals in the vacuum ultraviolet region[J].Journal of Applied Physics,2003(12):9783-9788. |
| [5] | Song H;Wang J;Chen B et al.Size-dependent Electronic Yransition Rates in Cubic Nanocrystalline Europium Doped Yttria[J].Chemical Physics Letters,2003,376:1-5. |
| [6] | Wegh RT.;van Loef EVD.;Oskam KD.;Meijerink A.;Donker H. .Quantum cutting through downconversion in rare-earth compounds[J].Journal of Luminescence: An Interdisciplinary Journal of Research on Excited State Processes in Condensed Matter,2000(0):1017-1019. |
| [7] | Sun W .Size-Dependent Chromaticity in YBO3:Eu Nanocrystals:Correlation with Microstructure and Site Symmetry[J].Journal of Physical Chemistry B,2002,106:10610-10617. |
| [8] | Yokota K.;Kimura K.;Sakamoto A.;Zhang SX. .Eu2+-activated barium magnesium aluminate phosphor for plasma displays - Phase relation and mechanism of thermal degradation[J].Journal of Luminescence: An Interdisciplinary Journal of Research on Excited State Processes in Condensed Matter,2001(3):223-227. |
| [9] | Fitz-Gerald JM.;Singh RK.;Holloway PH.;Trottier TA. .Significant reduction of cathodoluminescent degradation in sulfide-based phosphors[J].Applied physics letters,1998(15):1838-1839. |
| [10] | Hongpeng Y;Hong G;Zeng X et al.VUV Excitation Properties of LnA13B4O12∶ Re (Ln=Y,Gd;Re=Eu,Tb)[J].Journal of Physics and Chemistry of Solids,2000,61:1985-1988. |
| [11] | Wang YH;Endo T;He L;Wu CF .Synthesis and photoluminescence of Eu3+-doped (Y,Gd)BO3 phosphors by a mild hydrothermal process[J].Journal of Crystal Growth,2004(3/4):568-574. |
| [12] | Yokosawa N;Suzuki K;Nakazawa E .Vacuum Ultraviolet Excitation Processes of YAl3(BO3)4∶B(R =Eu3+,Gd3+ andTb3+)[J].Japanese Journal of Applied Physics,42:5656. |
| [13] | Li XX;Wang YH .Synthesis and photoluminescence properties of (Y,Gd)Al-3(BO3)(4): Tb3+ under VUV excitation[J].Materials Chemistry and Physics,2007(1):191-194. |
| [14] | Y. Zhang;Y. Li .Red photoluminescence and crystal structure of Sr_3Y_2(BO_3)_4[J].Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics,2004(1/2):88-92. |
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%