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广西师范学院 化学与材料科学学院,广西 南宁,530001
纸质出版日期:2018-3-5,
网络出版日期:2017-9-18,
收稿日期:2017-6-25,
修回日期:2017-8-31,
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陈彩花, 王小军, 蒙丽丽等. 稀土离子掺杂CaY<sub>1-<em>x</em></sub>AlO<sub>4</sub>∶<em>xRE</em><sup>3+</sup>(<em>RE</em>=Dy,Ho,Sm,Tm)荧光材料的发光性能[J]. 发光学报, 2018,39(3): 273-279
CHEN Cai-hua, WANG Xiao-jun, MENG Li-li etc. Luminescent Properties of CaY<sub>1-<em>x</em></sub>AlO<sub>4</sub>: <em>xRE</em><sup>3+</sup> (<em>RE</em>=Dy, Ho, Sm, Tm) Phosphors[J]. Chinese Journal of Luminescence, 2018,39(3): 273-279
陈彩花, 王小军, 蒙丽丽等. 稀土离子掺杂CaY<sub>1-<em>x</em></sub>AlO<sub>4</sub>∶<em>xRE</em><sup>3+</sup>(<em>RE</em>=Dy,Ho,Sm,Tm)荧光材料的发光性能[J]. 发光学报, 2018,39(3): 273-279 DOI: 10.3788/fgxb20183903.0273.
CHEN Cai-hua, WANG Xiao-jun, MENG Li-li etc. Luminescent Properties of CaY<sub>1-<em>x</em></sub>AlO<sub>4</sub>: <em>xRE</em><sup>3+</sup> (<em>RE</em>=Dy, Ho, Sm, Tm) Phosphors[J]. Chinese Journal of Luminescence, 2018,39(3): 273-279 DOI: 10.3788/fgxb20183903.0273.
采用溶胶凝胶法合成稀土离子掺杂CaY
1-
x
AlO
4
∶
xRE
3+
(
RE
=Dy,Ho,Sm,Tm)荧光粉。采用X射线粉末衍射仪(XRD)、高分辨率透射电镜(TEM)和荧光分光光度计(PL)分别对荧光粉的物相结构、形貌以及荧光性能进行表征。研究结果表明,所合成样品为四方晶系结构的纳米级材料,在紫外光激发下,掺杂离子均表现出特征的f-f电子跃迁发射,当Dy
3+
、Ho
3+
、Sm
3+
和Tm
3+
的掺杂摩尔分数分别为0.03,0.015,0.015,0.02时,样品发光强度最大,分别发射出白光、绿光、橙光和蓝光。
A series of phosphors CaY
1-
x
AlO
4
:
xRE
3+
(
RE
=Dy
Ho
Sm
Tm) were synthesized by sol-gel method. X-ray powder diffraction (XRD)
high resolution transmission electron microscopy (TEM) and fluorescence spectrophotometer were utilized to characterize the samples on phase structure
morphology and fluorescence properties
respectively.The results show that the synthesized samples are nanometer material with tetragonal crystal structure.Under UV light excitation
the doped rare earth ions exhibit f-f feature level transitions. The doped ions give the strongest emission when the doped mole fraction (
x
) of Dy
3+
Ho
3+
Sm
3+
and Tm
3+
is 0.03
0.015
0.015 and 0.02
and give white
green
orange and blue emission
respectively.
溶胶凝胶法CaYAlO4:Dy3+Ho3+Sm3+Tm3+发光性能
sol-gel methodCaYAlO4:Dy3+Ho3+Sm3+Tm3+luminescent properties
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PERRELLA R V, SCHIAVON M A, PECORARO E, et al.. Broadened band C-telecom and intense upconversion emission of Er3+/Yb3+ co-doped CaYAlO4 luminescent material obtained by an easy route[J]. J. Lumin., 2016, 178(10):226-233.
GAO S F, YOU Z Y, XU J L, et al.. Continuous wave laser operation of Tm and Ho co-doped CaYAlO4 and CaGdAlO4 crystals[J]. Mater. Lett., 2015, 141:59-62.
KIM M S, BHARAT L K, YU J S. White light emission characteristics of Tb3+ and Sm3+ co-doped CaYAlO4 nanocrystalline phosphors for solid-state lighting[J]. J. Lumin., 2013, 142(10):92-95.
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CONG Z H, TANG D Y, TAN W D, et al.. Diode-end-pumped Nd:CaYAlO4 mode locked laser[J]. Opt. Commun., 2011, 284(7):1967-1969.
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郑成祥, 梁利芳, 郑金菊, 等. NaLn4-x(SiO4)3F:xRE3+(Ln=La, Gd; RE=Tb, Dy, Sm, Tm)荧光材料的发光性能[J]. 发光学报, 2013, 34(11):1462-1468. ZHENG C X, LIANG L F, ZHENG J J, et al.. Luminescence characterization in the phosphors of NaLn4-x(SiO4)3F:xRE3+ (Ln=La, Gd; RE=Tb, Dy, Sm, Tm)[J]. Chin. J. Lumin., 2013, 34(11):1462-1468. (in Chinese)
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