LiGd(WyMo1-y)2O8-x/2Fx:Eu3+红色荧光粉的制备和发光特性

叶信宇; 罗洋; 刘松彬; 侯得健; 游维雄; 夏李斌

doi:10.3788/fgxb20163710.1203

您当前的位置：

首页 >

文章列表页 >

LiGd(W_yMo_1-y)₂O_8-x/2F_x:Eu³⁺红色荧光粉的制备和发光特性

材料合成及性能 | 更新时间：2020-08-12

- LiGd(W_yMo_1-y)₂O_8-x/2F_x:Eu³⁺红色荧光粉的制备和发光特性
- Synthesis and Luminescence Properties of LiGd(W_yMo_1-y)₂O_8-x/2F_x: Eu³⁺ Red Phosphors
- 发光学报 2016年37卷第10期页码：1203-1212
- 作者机构：
  
  1. 江西理工大学冶金与化学工程学院, 江西赣州 341000
  2. 国家离子型稀土资源高效开发利用工程技术研究中心, 江西赣州 341000
- 作者简介：
- 基金信息：
  
  江西省高等学校科技落地计划（KJLD14045）();江西省自然科学基金（20132BAB206020）();江西省教育厅科学技术研究项目（GJJ14408）();国家
- DOI：10.3788/fgxb20163710.1203
  中图分类号： O482.31
- 纸质出版日期：2016-10-5，
  
  收稿日期：2016-5-1，
  
  修回日期：2016-5-30，
扫描看全文
叶信宇, 罗洋, 刘松彬等. LiGd(WyMo1-y)2O8-x/2Fx:Eu3+红色荧光粉的制备和发光特性[J]. 发光学报, 2016,37(10): 1203-1212

YE Xin-yu, LUO Yang, LIU Song-bin etc. Synthesis and Luminescence Properties of LiGd(WyMo1-y)2O8-x/2Fx: Eu3+ Red Phosphors[J]. Chinese Journal of Luminescence, 2016,37(10): 1203-1212
叶信宇, 罗洋, 刘松彬等. LiGd(WyMo1-y)2O8-x/2Fx:Eu3+红色荧光粉的制备和发光特性[J]. 发光学报, 2016,37(10): 1203-1212 DOI： 10.3788/fgxb20163710.1203.

YE Xin-yu, LUO Yang, LIU Song-bin etc. Synthesis and Luminescence Properties of LiGd(WyMo1-y)2O8-x/2Fx: Eu3+ Red Phosphors[J]. Chinese Journal of Luminescence, 2016,37(10): 1203-1212 DOI： 10.3788/fgxb20163710.1203.

摘要

采用高温固相法制备了LiGd（W

）

：0.4Eu

（

=0~1，

=0~1）系列白光LED用红色荧光粉。通过扫描电子显微镜、X射线衍射仪、红外光谱仪、荧光光谱仪对荧光粉的形貌、结构、光学性能进行了表征。结果表明，Eu

、F

和WO

的掺杂没有改变LiGd（MoO

）

的四方晶系白钨矿结构；F

和WO

最佳掺杂量分别为

=0.6，

=0.4。在396 nm激发下，LiGd（W

0.4

0.6

）

7.7

0.6

：0.4Eu

的发光强度比未掺杂样品提高了60%，量子效率可达66.23 %。当温度升高至100 ℃时，样品的发射强度降为25 ℃时的76.6%。在460 nm激发下，样品的最强窄带发射峰位于617 nm处，归属于

跃迁，色坐标为（0.649 9，0.346 3）。

能级的荧光寿命曲线遵循单指数规律衰减，随着F

掺杂浓度的增加，

能级的荧光寿命不断增加，归因于低声子能量的F

掺入有效减小了能量的无辐射跃迁概率。所制备的LiGd（W

0.4

0.6

）

7.7

0.6

：0.4Eu

荧光粉有望应用于白光LED。

Abstract

LiGd(W

)

:0.4Eu

red phosphors with different F

and WO

doping concentrations for white LEDs were synthesized by the solid state reaction method. Morphology

structure

optical properties of LiGd(W

)

:0.4Eu

phosphors were studied by scanning electron microscope(SEM)

X-ray diffraction (XRD)

Fourier transform infrared spectroscopy (FT-IR) and fluorescence spectrometer. The results show that the samples doped with Eu

and WO

have tetragonal scheelite structure. The optimum doping content of F

and WO

=0.6 and

=0.4

respectively. Under 396 nm excitation

the maximum emission intensity of LiGd(W

0.4

0.6

)

7.7

0.6

:0.4Eu

in which the quantum efficiency is 66.23% is higher than 60% in comparison with LiGd(MoO

)

:0.4Eu

. When the temperature turned up to 100 ℃

the emssion intensity of LiGd(W

0.4

0.6

)

7.7

0.6

:0.4Eu

is 76.6% of the initial value at 25 ℃. Under 460 nm excitation

intense red emissions corresponding to

transitions of Eu

are observed. The chromaticity coordinates of LiGd(W

0.4

0.6

)

7.7

0.6

:0.4Eu

phosphors are (0.649 9

0.346 3). Decay curve of

state for as-prepared samples fits the single order exponential behavior

the lifetime of

increases with the increasing of F

doping concentration

which is due to the reduction of non-radiative transition probability results from the low phonon energy property of F

. LiGd-(W

0.4

0.6

)

7.7

0.6

:0.4Eu

phosphors are suitable for the white LEDs.

关键词

发光红色荧光粉白光LED高温固相法

Keywords

luminescencered phosphorwhite LEDssolid state reaction

references

ZHANG J, YANG Y M, LIU Y Z, et al.. Photoluminescence properties of heavily Eu3+-doped BaCa2In6O12 phosphor for white light emitting diodes [J]. J. Am. Ceram. Soc., 2015, 98(5):1567-1573.

SHANG M M, FAN J, ZHANG Y, et al.. White-light generation and full-color in single-phase garnet-based phosphors [J]. Inorg. Chem. Commun., 2015, 52:73-76.

杨志平,梁晓双,赵引红,等. 橙红色荧光粉Ca3Y2(Si3O9)2:Sm3+的制备及发光性能的表征 [J]. 光子学报, 2014, 43(3):0316002-1-5. YANG Z P, LIANG X S, ZHAO Y H, et al.. Preparation and luminescence properties of reddish-orange phosphors Ca3Y2-(Si3O9)2:Sm3+ [J]. Acta Photon. Sinica, 2014, 43(3):0316002-1-5. (in Chinese)

AHEMEN I, DE D K, AMAH A N. A review of solid state white light emitting diode and its potentials for replacing conventional lighting technologies in developing countries [J]. Appl. Phys. Res., 2014, 6(2):95-108.

ZHONG J S, CHEN D Q, WANG X, et al.. Synthesis and optical performance of a new red-emitting ZnTiF66H2O:Mn4+ phosphor for warm white-light-emitting diodes [J]. J. Alloys Compd., 2016, 662:232-239.

LI J G, YAN H F, YAN F M. A novel orange-red emitting borate based phosphor for NUV pumped LEDs [J]. Optik - Int. J. Light Electron Opt., 2016, 127(15):5984-5989.

WANG Z J, LOU S Q, LI P L, et al.. Improvement of the red emitting phosphor by introducing A+ (A=Li, Na, K) into Sr3La(PO4)3:Eu3+ [J]. J. Alloys Compd., 2016, 658:813-817.

XIE H D, LI F, XI H H, et al.. Luminescent properties of sol-gel processed red-emitting phosphor Eu3+, Bi3+ co-doped (Ca, Sr)(Mo, W)O4 [J]. J. Mater. Sci. Mater. Electron., 2015, 26(1):23-31.

WANG L L, NOH H M, MOON B K, et al.. Luminescent properties and energy transfer of Sm3+ doped Sr2CaMo1-xWxO6 as a potential phosphor for white LEDs [J]. J. Alloys Compd., 2016, 663:808-817.

ZHANG L, LIU Q, DING N, et al.. Dual-channel enhanced luminescence of double perovskite NaGdMgWO6:Eu3+ phosphor based on alternative excitation and delayed quenching [J]. J. Alloys Compd., 2015, 642:45-52.

NEERAJ S, KIJIMA N, CHEETHAM A K. Novel red phosphors for solid-state lighting: the system NaM(WO4)2-x-(MoO4)x:Eu3+ (M=Gd, Y, Bi) [J]. Chem. Phys. Lett., 2004, 387(1-3):2-6.

席翠省,高元哲,王萍,等. 白光LED用红色发光粉LiGd(MoO4)2:Eu3+的制备和发光特性 [J]. 发光学报, 2010, 31(3):311-315. XI C S, GAO Y Z, WANG P, et al.. Synthesis and luminescent properties of LiGd(MoO4)2:Eu3+ red phosphors for white LEDs [J]. Chin. J. Lumin., 2010, 31(3):311-315. (in Chinese)

RU J J, GUO F Y, CHEN J Z, et al.. Synthesis and luminescence characteristics of Li2Y4-xEux(WO4)7-y(MoO4)y red-emitting phosphor for white LED [J]. J. Rare Earths, 2013, 31(11):1059-1062.

CHENG L H, ZHONG H Y, SUN J S, et al.. Flux and concentration effect on Eu3+ doped Gd2(MoO4)3 phosphor [J]. J. Rare Earths, 2008, 26(2):211-214.

WANG J G, JING X P, YAN C H, et al.. Influence of fluoride on f-f transitions of Eu3+ in LiEuM2O8(M=Mo, W) [J]. J. Lumin., 2006, 121(1):57-61.

李琳琳. 稀土掺杂钼/钨酸盐荧光粉的制备及其发光特性研究 [D]. 长春:吉林大学, 2015. LI L L. Synthesis and Luminescent Properties of Rare-earth Doped Molybdate and Tungstate Phosphors [D]. Changchun: Jilin University, 2015. (in Chinese)

汪正良. 碱金属-稀土钼/钨酸盐的合成、发光及其在发光二极管的应用研究 [D]. 广州:中山大学, 2006. WANG Z L. Preparation and Luminescence of Alkaline Rare-earth Molybdates/tungstates and Their Application in Light-emitting Diodes [D]. Guangzhou: Sun Yat-sen University, 2006. (in Chinese)

张明荣,李倍俊,胡关钦,等. 白钨矿结构的钨、钼酸盐晶体的光吸收边及其起因 [J]. 光学学报, 1998, 18(11):1591-1596. ZHANG M L, LI P J, HU G Q, et al.. Optical absorption edges and their origin of scheelite-structured tungstate and molybdate crystals [J]. Acta Opt. Sinica, 1998, 18(11):1591-1596. (in Chinese)

FARMER V C. The Infrared Spectra of Minerals [M]. London: Mineralogical Society, 1974:46-47.

GAO D J, LI Y, LAI X, et al.. Fabrication and luminescence properties of Dy3+ doped CaMoO4 powders [J]. Mater. Chem. Phys., 2011, 126(1-2):391-397.

SAFRONIKHIN A, SHCHERBA T, EHRLICH H, et al.. Preparation and colloidal behavior of surface-modified EuF3 [J]. Appl. Surf. Sci., 2009, 255(18):7990-7994.

杨旭,耿秀娟,李梓杨,等. 助熔剂对Ca0.7Sr0.3MoO4:Eu3+红色荧光粉发光性能的影响 [J]. 电子元件与材料, 2014(12):45-48. YANG X, GENG X J, LI Z Y, et al.. Influences of flux on luminescent properties of Ca0.7Sr0.3MoO4:Eu3+ red phosphor [J]. Electron. Compon. Mater., 2014(12):45-48. (in Chinese)

林海凤,王海波,张瑞西. 助熔剂对LiEuW2O8红色荧光粉性能的影响 [J]. 功能材料与器件学报, 2011, 17(5):431-435. LIN H F, WANG H B, ZHANG R X. Influence of flux on properties of LiEuW2O8 red phosphor [J]. J. Funct. Mater. Dev., 2011, 17(5):431-435. (in Chinese)

周健,吴迪,郭春平,等. 新型红色荧光粉CaMO4:Eu3+(M=Mo, W)的制备与发光性能研究 [J]. 中国钨业, 2015, 30(4):57-63. ZHOU J, WU D, GUO C P, et al.. Synthesis and photoluminescence properties of CaMO4:Eu3+(M=Mo, W) red phosphor [J]. China Tungsten Ind., 2015, 30(4):57-63. (in Chinese)

洪广言. 稀土发光材料:基础与应用 [M]. 北京:科学出版社, 2011. HONG G Y. Fundamental and Application of Rare Earth Luminescent Materials [M]. Beijing: Science Press, 2011. ( in Chinese)

刘春旭,张家骅,吕少哲,等. 纳米Gd2O3中两种格位Eu3+的电荷迁移态激发跃迁 [J]. 发光学报, 2004, 25(2):193-196. LIU C X, ZHANG J H, LV S Z, et al.. Charge transfer excitation of Eu3+ with two-sites in nanocrystal Gd2O3:Eu3+ [J]. Chin. J. Lumin., 2004, 25(2):193-196. (in Chinese)

LIU Y, LIU X Y, WANG W C, et al.. Intense 2.7 m mid-infrared emission of Er3+ in oxyfluoride glass ceramic containing NaYF4 nanocrystals [J]. Mater. Res. Bull., 2016, 76:305-310.

JIANG S, ZENG P, LIAO L Q, et al.. Optical thermometry based on upconverted luminescence in transparent glass ceramics containing NaYF4:Yb3+/Er3+ nanocrystals [J]. J. Alloys Compd., 2014, 617:538-541.

RENERO-LECUNA C, MARTIN-RODRIGUEZ R, VALIENTE R, et al.. Origin of the high upconversion green luminescence efficiency in -NaYF4:2%Er3+,20%Yb3+ [J]. Chem. Mater., 2011, 23(15):3442-3448.

LI G H, LI L L, LI M M, et al.. Hydrothermal synthesis and luminescent properties of NaLa(MoO4)2:Eu3+,Tb3+ phosphors [J]. J. Alloys Compd., 2013, 550:1-8.

LOIKO P A, DASHKEVICH V I, BAGAEV S N, et al.. Judd-Ofelt analysis of spectroscopic properties of Eu3+:KLu(WO4)2 crystal [J]. J. Lumin., 2015, 168:102-108.

FERHI M, BOUZIDI C, HORCHANI-NAIFER K, et al.. Judd-Ofelt analysis of spectroscopic properties of Eu3+ doped KLa(PO3)4 [J]. J. Lumin., 2015, 157:21-27.

王迪,孟祥雨,赵嘉伟,等. Ca9Al(PO4)7:Eu2+的发光、浓度猝灭及温度稳定性 [J]. 光子学报, 2015, 44(5):0516002-1-5. WANG D, MENG X Y, ZHAO J W, et al.. Luminescence, concentration quenching and thermal stability of Ca9Al(PO4)7:Eu2+ [J]. Acta Photon. Sinica, 2015, 44(5):0516002-1-5. (in English)

LUWANG M N, NINGTHOUJAM R S, JAGANNATH, et al.. Effects of Ce3+ codoping and annealing on phase transformation and luminescence of Eu3+-doped YPO4 nanorods: D2O solvent effect [J]. J. Am. Chem. Soc., 2010, 132(8):2759-2768.

杨建虎,戴世勋,姜中宏. 稀土离子的上转换发光及研究进展 [J]. 物理学进展, 2003, 23(3):284-298. YANG J H, DAI S X, JIANG Z H. Upconversion emission of rare earth ions and its recent developments [J]. Prog. Phys., 2003, 23(3):284-298. (in Chinese)

浏览量

下载量

CSCD

文章被引用时，请邮件提醒。

提交

工具集

关联资源

蓝光激发白光LED用深红色荧光粉 Ca_1-x-yWO₄∶xPr³⁺, yLi⁺的制备与表征

可用于白光LED的红色荧光粉NaGdTiO₄∶Eu³⁺的制备及光学性质

Al₂O₃表面包覆增强K₂SiF₆∶Mn⁴⁺荧光粉发光性能和湿热稳定性

Mn⁴⁺掺杂氟化物红色发光粒子的表面钝化和白色发光二极管应用

K₂TiF₆∶Mn⁴⁺红光晶体发光性能及应用