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1. 广西师范学院 化学与材料科学学院, 广西 南宁 530001
2. 广东怀集中学, 广东 怀集,526400
纸质出版日期:2018-7-5,
收稿日期:2017-11-11,
修回日期:2018-3-15,
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陈彩花, 王小军, 蒙丽丽等. 稀土离子掺杂LaAlO<sub>3</sub>:<em>RE</em><sup>3+</sup>(<em>RE</em>=Eu,Tb,Sm,Tm)荧光粉的发光性能[J]. 发光学报, 2018,39(7): 923-929
CHEN Cai-hua, WANG Xiao-jun, MENG Li-li etc. Luminescent Properties of Rare Earth Ions Doped LaAlO<sub>3</sub>:<em>RE</em><sup>3+</sup> (<em>RE</em>=Eu, Tb, Sm, Tm) Phosphors[J]. Chinese Journal of Luminescence, 2018,39(7): 923-929
陈彩花, 王小军, 蒙丽丽等. 稀土离子掺杂LaAlO<sub>3</sub>:<em>RE</em><sup>3+</sup>(<em>RE</em>=Eu,Tb,Sm,Tm)荧光粉的发光性能[J]. 发光学报, 2018,39(7): 923-929 DOI: 10.3788/fgxb20183907.0923.
CHEN Cai-hua, WANG Xiao-jun, MENG Li-li etc. Luminescent Properties of Rare Earth Ions Doped LaAlO<sub>3</sub>:<em>RE</em><sup>3+</sup> (<em>RE</em>=Eu, Tb, Sm, Tm) Phosphors[J]. Chinese Journal of Luminescence, 2018,39(7): 923-929 DOI: 10.3788/fgxb20183907.0923.
采用溶胶凝胶法合成La
1-
x
AlO
3
:
xRE
3+
(
RE
=Eu,Tb,Sm,Tm)荧光粉,对样品进行热重差热(TGA-DTA)、X射线粉末衍射(XRD)、透射电镜(TEM)以及荧光光谱(PL)等表征,探讨样品的合成温度及稀土离子掺杂浓度对样品发光性能的影响。研究结果表明,当煅烧温度为800~1 200℃时,所合成样品为三方晶体结构。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,在一定掺杂浓度范围内,当Eu
3+
、Tb
3+
、Sm
3+
和Tm
3+
的掺杂浓度
x
值分别为0.02,0.04,0.005和0.005时,样品发光强度最大,在一定波长激发下,样品分别发射出红光、绿光、橙黄光和蓝光,Eu
3+
-Tb
3+
、Eu
3+
-Sm
3+
和Eu
3+
-Tm
3+
共掺杂有可能获得白光。
A series of phosphors La
1-
x
AlO
3
:
xRE
3+
(
RE
=Eu
Tb
Sm
Tm) were synthesized by sol-gel method. Techniques such as thermogravimetric and differential thermal analysis(TGA-DTA)
X-ray powder diffraction(XRD)
transmission electron microscopy(TEM)
photoluminescence emission and excitation spectra were used to characterize the phosphors. The results showed that the synthesized samples were pure phase with trigonal crystal structure when the calcination temperature was from 800℃ to 1 200℃. Under UV light excitation
the doped rare earth ions exhibited f-f feature level transitions. The doped ions gave the strongest emission when the doped concentration (
x
) of Eu
3+
Tb
3+
Sm
3+
and Tm
3+
was 0.02
0.04
0.005 and 0.005
and gave red
green
orange and blue emission
respectively. Eu
3+
-Tb
3+
Eu
3+
-Sm
3+
and Eu
3+
-Tm
3+
co-doped samples were likely to emit white light.
溶胶凝胶法LaAlO3:Eu3+Tb3+Sm3+Tm3+发光性能
sol-gel methodLaAlO3:Eu3+Tb3+Sm3+Tm3+luminescent properties
MA P, YUAN B, SHENG Y, et al.. Tunable emission, thermal stability and energy-transfer properties of SrAl2Si2O8:Ce3+/Tb3+ phosphors for w-LEDs[J]. J. Alloys Compd., 2017, 714(8):627-635.
陈彩花, 杨国辉, 梁利芳, 等. 溶胶凝胶法合成CaYAlO4:Mn4+红色荧光粉及其荧光性能研究[J]. 发光学报, 2017, 38(5):567-573. CHEN C H, YANG G H, LIANG L F, et al.. Luminescent properties of CaYAlO4:Mn4+ red phosphors prepared by sol-gel method[J]. Chin. J. Lumin., 2017, 38(5):567-573. (in Chinese)
JIN Y, WANG Q P, ZHOU H P, et al.. Luminescence properties and high thermal stability of tunable blue-green-emitting phosphor Gd4.67Si3O13:Ce3+,Tb3+[J]. Ceram. Int., 2016, 42(2):3309-3316.
陈彩花, 陈凯, 蒙丽丽, 等. CaYAlO4:Ce3+,Tb3+荧光粉的发光性能及Ce3+Tb3+的能量传递[J]. 光学学报, 2018, 38(1):0116002. CHEN C H, CHEN K, MENG L L, et al.. Luminescent properties and Ce3+Tb3+energy transfer in CaYAlO4:Ce3+,Tb3+phosphor[J]. Acta Opt. Sinica, 2018, 38(1):0116002. (in Chinese)
LI K, LIU X, ZHANG Y, et al.. Host-sensitized luminescence properties in CaNb2O6:Ln3+ (Ln3+=Eu3+/Tb3+/Dy3+/Sm3+) phosphors with abundant colors[J]. Inorg. Chem., 2015, 54(1):323-333.
CHANU T T T, SINGH N R. Multicolor luminescence of PbWO4:RE3+ (Sm3+, Dy3+, Eu3+ and Tb3+) phosphor prepared via hydrothermal method[J]. J. Mater. Sci-Mater El., 2017, 28(4):3909-3916.
SINGH V, RAI V K, SINGH N, et al..Visible up conversion in Er3+/Yb3+ co-doped LaAlO3 phosphors[J]. Spectrochim. Acta A, 2017, 171(1):229-235.
CHEN W. Eu2+ and Eu3+ co-activated LaAlO3 phosphor:synthesis and tuned luminescence[J]. Dalton Trans., 2015, 44(40):17730-17735.
MANOHAR T, NAIK R, PRASHANTHA S C, et al.. Photoluminescence and Judd-Ofelt analysis of Eu3+ doped LaAlO3nanophosphors for WLEDs[J]. Dyes Pigm., 2015, 122(11):22-30.
SINGH D, KAUR J, SURYANARAYANA N S, et al.. Synthesis and luminescent behavior of UV induced Dy3+ activated LaAlO3[J]. J. Mater. Sci-Mater El., 2017, 28(3):2462-2470.
MANOHAR T, PRASHANTHA S C, NAIK R, et al.. A benign approach for tailoring the photometric properties andjudd-ofelt analysis of LaAlO3:Sm3+nanophosphors for thermal sensorand WLED applications[J]. Sens. Actuators B-Chem., 2017, 243(5):1057-1066.
BORONAT C, RIVERA T, GARCIA-GUINEA J, et al.. Cathodoluminescence emission of RE(Dy,Pr,Eu) doped LaAlO3 phosphors[J]. Radiat. Phys. Chem., 2017, 130(1):236-242.
HERNANDEZ A M, DE LEON ALFARO M A, VILLATORO A B, et al.. Luminescence characteristics of LaAlO3:Eu3+ obtained by modified Pechini's method[J]. Open J. Synth. Theory Appl., 2017, 6(1):1-12.
FU Z, LIU B. Solution combustion synthesis, photoluminescence and X-ray luminescence of Eu3+-doped LaAlO3 nanophosphors[J]. Ceram. Int., 2016, 42(2):2357-2363.
MANOHAR T, PRASHANTHA S C, NAGASWARUPA H P, et al.. White light emitting Lanthanum aluminate nanophosphor:near ultra violet excited photoluminescence and photometric characteristics[J]. J. Lumin., 2017, 190(10):279-288.
DEREN P J, SZTOLBERG D, BRZOSTOWSKI B, et al.. Spectroscopic properties and Judd-Ofelt analysis of LaAlO3monocrystal doped with Tm3+ions[J]. J. Lumin., 2016, 178(10):400-406.
BOLDYREV K N, DEREN P, POPOVA M N. Deformation splittings in the spectra of LaAlO3:Ho3+, Pr3+, Tm3+ single crystals[J]. EPJ Web of Confer. EDP Sci., 2017, 132:03004.
] 陈彩花, 杨国辉, 蒙丽丽, 等. 碱土金属离子共掺杂对铕离子在Ca12Al14O32F2中发光性能的影响[J]. 光学学报, 2017, 37(10):1030001-1-7. CHEN C H, YANG G H, MENG L L, et al.. Effect of alkaline earth ion codoping on photoluminescence from europium ion in Ca12Al14O32F2[J]. Acta Opt. Sinica, 2017, 37(10):1030001-1-7. (in Chinese)
YAGOUB M Y A, SWART H C, COETSEE E. Energy transfer study between Ce3+ and Tb3+ ions inacalcium fluoride crystal for solar cell applications[J]. J. Lumin., 2017, 187(7):96-101.
KEMERE M, SPERGA J, ROGULIS U, et al.. Luminescence properties of Eu, RE3+ (RE=Dy, Sm, Tb) co-doped oxyfluoride glasses and glass-ceramics[J]. J. Lumin., 2017, 181(1):25-30.
PRAVEENA R, SAMEERA V S, BABU P, et al.. Photoluminescence properties of Ho3+/Tm3+-doped YAGG nano-crystalline powders[J]. Opt. Mater., 2017, 72(10):666-672.
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