利用水热法制备了NaLa(WO4)2∶Ln(Ln=Er, Nd)球形粉末, 分别用XRD, TEM和发光光谱等对粉末的物相、形貌、发光性质进行研究. XRD和SEM结果表明: 制得的NaLa(WO4)2∶Ln(Ln=Er, Nd)粉末为白钨矿晶型, 分散性良好, 粒度均匀, 呈规则的球形, 粒径为1 μm左右. 发光光谱的测试表明: 样品的最佳掺杂浓度为1.0%;随着煅烧温度的增加, 样品发光强度逐渐增大;700 ℃下煅烧时最佳煅烧时间是4 h.
参考文献
| [1] | Giaume D;Buissette V;Lahlil K;Gacoin T Boilot J P Casano-va D Beaurepaire E Sauviat M P Alexandrou A .Emission properties and applications of nanostructured luminescent oxide nanoparticles[J].Progress in Solid State Chemistry,2005,33:99. |
| [2] | Marcel B Jr;Mario M;Peter G;Shimon W A Paul Alivisatos .Semiconductor nanocrystals as fluorescent biological Labels[J].Science,1998,281:2013. |
| [3] | Horrocks W D Jr;Bolender J P;Smith W D;Supkowski R M .Photosensitized near infrared luminescence of Ytterbium(Ⅲ) in proteins and complexes occurs via an internal redox process[J].Journal of the American Chemical Society,1997,119:5972. |
| [4] | Maupin CL.;Williams JAG.;Riehl JP.;Parker D. .Circularly polarized luminescence from chiral octadentate complexes of Yb(III) in the near-infrared[J].Journal of the American Chemical Society,1998(40):10563-10564. |
| [5] | Mateos X;Sole R;Gavalda J;Aguilo M;Diaz F;Massons J .Ultraviolet and visible emissions of Er3+ in KY(WO4)(2) single crystals co-doped with Yb3+ ions[J].Journal of Luminescence: An Interdisciplinary Journal of Research on Excited State Processes in Condensed Matter,2005(3/4):131-137. |
| [6] | Cheng ZX.;Zhang SJ.;Song F.;Guo HC.;Han JR.;Chen HC. .Optical spectroscopy of Yb/Er codoped NaY(WO4)(2) crystal[J].The journal of physics and chemistry of solids,2002(11):2011-2017. |
| [7] | Macalik L;Hanuza J;Jaque D;García Solé J .Spectroscopic characterization of the Tm3+ doped KLa(WO4)2 single crystal[J].Optical Materials,2006,28:980. |
| [8] | 韩秀梅,王国富.双掺Er3+,Yb3+离子KY（WO4）2晶体的光谱性质[J].中国稀土学报,2002(06):584-586. |
| [9] | Mateos X;Solé R;Massons J;Aguiló M Díaz F Petrov V Griebner U .Crystal growth,spectroscopic studies and laser operation of Yb3+-doped potassium lutetium tungstate[J].Optical Materials,2006,28:519. |
| [10] | 刘景和,葛建军,朱忠丽,王英伟,孙晶,李建立,关效贤.Nd∶NaY（WO4）2激光晶体生长[J].人工晶体学报,2003(06):657-660. |
| [11] | Neeraj S.;Kijima N.;Cheetham AK. .Novel red phosphors for solid-state lighting: the system NaM(WO4)(2-x)(MoO4)(x): Eu3+ (M=Gd, Y, Bi)[J].Chemical Physics Letters,2004(1/3):2-6. |
| [12] | Wang F;Fan XP;Pi DB;Wang ZY;Wang MQ .Hydrothermal synthesis and luminescence behavior of rare-earth-doped NaLa(WO4)(2) powders[J].International Journal of Quantum Chemistry,2005(3):825-830. |
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%