采用固相法制备了 S、Eu2 O3共掺杂天然方钠石的橘黄荧光粉末 Na8 Al6 Si6 O24 Cl2∶S2-,Eux 3+(密度x=1%、3%、5%和10%(质量分数))。用 XRD对其结构进行了表征。研究了室温和低温下该粉末的激发光谱、发射光谱特性。在265nm 激发下的发射光谱包括由 Eu3+中4f6(5 D0)→4f6(7 FJ )(J=0、1、2、3、4)跃迁产生的、峰值在581~707nm 间的光谱带和由Mn2+的4T1→6A1跃迁产生的、峰值在496nm 的光谱带。改变方钠石掺杂的两种元素的质量分数研究了方钠石的发光特性。实验结果表明,S2-和 Eu3+离子之间有能量抵消。
The orange-colored phosphor powder of natural sodalite codoped with S2 - and Eu3+,Na8 Al6 Si6 O24 Cl2∶S2 -,Eux3+(x=1%,3%,5%,10wt%),were prepared by solid-state reaction method.The sample struc-ture was characterized using XRD.The photoluminescence excitation spectra and the emission spectra at room temperature and low temperature were investigated.The emission spectrum included at 581-625nm originating from the 4f6(5D0)→4f6(7FJ)(J=0,1,2,3,4)transition of Eu3+ and green light at 496nm originating from the 4 T1→6 A1 transition of Mn2+ under 294nm UV excitation.
参考文献
| [1] | Sidike A;Sawuti A;Wang XM;Zhu HJ;Kobayashi S;Kusachi I;Yamashita N .Fine structure in photoluminescence spectrum of S-2(-) stop center in sodalite[J].Physics and chemistry of minerals,2007(7):477-484. |
| [2] | Gaft, M;Panczer, G;Nagli, L;Yeates, H .Laser-induced time-resolved luminescence of tugtupite, sodalite and hackmanite[J].Physics and chemistry of minerals,2009(3):127-141. |
| [3] | VanDoorn C Z;Schipper D J .Luminescence of and in so-dalite[J].Physics Letters,1971,34A,3:139-140. |
| [4] | Aidilibike T;Asilibieke B;Juman G et al.Photolumi-nescence properties of natural sodalite doped with sulfur[J].Journal of Xinjiang Normal University,2012,4(31):86-89. |
| [5] | Vinetskaya Y M;Voronkov M G;Krasovitskii B M et al.Luminescence of some sulfur-containing heterocycles and their sulfones[J].Khimiya Geterotsiklicheskikh Soedinenii,1968,4(01):180-181. |
| [6] | Belyi M U;Nedelko S G;Sheludko V I .Luminescence of alkali metal sulfate crystals with sulfur impurity[J].Journal of Applied Spectroscopy,1994,61:3-4. |
| [7] | 翟永清,王欣,冯仕华,刘毅兰,游志江.白光LED用新型红色荧光粉Li2SrSiO4：Eu3+的合成及性质[J].材料工程,2011(03):24-27. |
| [8] | Rongbin Ye;Koji Ohta;Mamoru Baba;Kazume Nusgudate .Decay Time of 2.09 eV Luminescence of S~(2-)-Vacancy Centers and Their Optical and Thermal Stability in NaCl: S~2 Crystals[J].Optical review,1999(1):82-87. |
| [9] | ANGSHUMAN NAG;SAMEER SAPRA;SUBHRA SEN GUPTA .Luminescence in Mn-doped CdS nanocrystals[J].Bulletin of Materials Science,2008(3):561-568. |
| [10] | Sharipov G L;Abdrakhmanov A M;Gainetdinov R K .Sonoluminescence of aqueous solutions of sulfuric acid and sulfur dioxide[J].Russian Chemical Bulletin Inter-national Edition,2003,52(09):1966-1968. |
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