采用溶胶-凝胶法制备了掺杂Gd3+离子的Ce0.67Tb0.33MgAl11O19(CTMA),分别研究了Gd3+离子取代部分Ce3+离子和Gd3+离子取代部分Tb3+离子后对Ce0.67Tb0.33MgAl11O19在紫外线激发下发射可见光的影响.由于Gd3+离子在Ce3+离子和激活剂Tb3+离子间起到良好的能量传递的作用,所以掺杂Gd3+离子后对Ce0.67Tb0.33MgAl11O19在紫外线激发下的主发射峰强度影响不大,在一定程度上还有加强作用.同时掺杂Gd3+离子使Ce0.67Tb0.33MgAl11O19在紫外线激发下发射的可见光的颜色发生了少量变化.
参考文献
| [1] | You HP.;Zeng XQ.;Kim CH.;Pyun CH.;Yu BY.;Bae HS.;Hong GY. .VUV excitation properties of LnAl(3)B(4)O(12): Re (Ln = Y, Gd; Re=Eu, Tb)[J].The journal of physics and chemistry of solids,2000(12):1985-1988. |
| [2] | Ding Shi jin;Zhang David wei et al.Preparation and Photoluminescence of the Ce-, Tb- and Gd-doped Lanthanum Borophosphate Phosphor[J].Materials Chemistry and Physics,2001,68(1-3):98. |
| [3] | Rambabu U.;Kale BB.;Buddhudu S.;Amalnerkar DP. .Optical properties of LnPO(4): Tb3+ (Ln = Y,La and Gd) powder phosphors[J].Materials Chemistry and Physics,2001(1):1-6. |
| [4] | Xueyan Wu;Hongpeng You;Hongtao Cui .Vacuum ultraviolet optical properties of (La, Gd)PO_4:RE~3+(RE=Eu, Tb)[J].Materials Research Bulletin: An International Journal Reporting Research on Crystal Growth and Materials Preparation and Characterization,2002(9):1531-1538. |
| [5] | Baccaro S.;Fabeni P.;Martini M.;Mares JA.;Meinardi F. Nikl M.;Nitsch K.;Pazzi GP.;Polato P.;Susini C.;Vedda A.;Zanella G. Zannoni R.;Dall'Igna R. .Ce3+ or Tb3+-doped phosphate and silicate scintillating glasses[J].Journal of Luminescence: An Interdisciplinary Journal of Research on Excited State Processes in Condensed Matter,2000(0):673-675. |
| [6] | 祖成奎,陈洁,陈江,韩滨.Tb3+、Gd3+对硅酸盐发光玻璃发光性能的影响[J].硅酸盐通报,2001(05):7-10,37. |
| [7] | 郭常新;柏善岩 .The Luminescence and Energy Transfer of GdxY1-xP5O14:Ce,Tb(I)[J].中国稀土学报,1995,13(01):26. |
| [8] | 郭常新;柏善岩 .The Luminescence and Energy Transfer of GdxY1-xP5O14: Ce, Tb(II)[J].中国稀土学报,1995,13(02):123. |
| [9] | 胡林学.（Y，Gd）2O3·2B2O3：Bi3+，Eu3+的发光性质与能量传递[J].湖北大学学报（自然科学版）,1995(04):345. |
| [10] | Zhang JY.;Tang ZL.;Lin YH.;Zhang ZT. .Mn2+ luminescence in (Ce,Tb)MgAl11O19 phosphor[J].Materials Chemistry and Physics,2001(1):81-84. |
| [11] | Junying Zhang;Zhongtai Zhang;Zilong Tang .Synthesis and Characterization of (Ce_(0.67)Tb_(0.33))Mn_xMg_(1-x)Al_(11)O_(19) Phosphors Derived by Sol-Gel Processing[J].Journal of the American Ceramic Society,2002(4):998-1000. |
| [12] | 苏铿.稀土元素[M].北京:清华大学出版社,2000:17. |
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