浏览全部资源
扫码关注微信
1. 贵州大学 大数据与信息工程学院, 贵州省电子功能复合材料特色重点实验室,贵州 贵阳,550025
2. 贵州师范大学 物理与电子科学学院,贵州 贵阳,550001
纸质出版日期:2016-3-5,
收稿日期:2015-10-26,
修回日期:2015-12-17,
扫 描 看 全 文
吴冬妮, 崔瑞瑞, 龚新勇等. 新型红色荧光粉NaLa<sub>0.7</sub>(MoO<sub>4</sub>)<sub>2-<em>x</em></sub>(WO4)<em>x</em>:0.3Eu<sup>3+</sup>的制备及发光性质研究[J]. 发光学报, 2016,37(3): 274-279
WU Dong-ni, CUI Rui-rui, GONG Xin-yong etc. Synthesis and Photoluminescence Properties of NaLa<sub>0.7</sub>(MoO<sub>4</sub>)<sub>2-<em>x</em>(WO<sub>4</sub>)<em><sub>x</sub></em>:0.3Eu<sup>3+</sup> Novel Red Phosphors</sub>[J]. Chinese Journal of Luminescence, 2016,37(3): 274-279
吴冬妮, 崔瑞瑞, 龚新勇等. 新型红色荧光粉NaLa<sub>0.7</sub>(MoO<sub>4</sub>)<sub>2-<em>x</em></sub>(WO4)<em>x</em>:0.3Eu<sup>3+</sup>的制备及发光性质研究[J]. 发光学报, 2016,37(3): 274-279 DOI: 10.3788/fgxb20163703.0274.
WU Dong-ni, CUI Rui-rui, GONG Xin-yong etc. Synthesis and Photoluminescence Properties of NaLa<sub>0.7</sub>(MoO<sub>4</sub>)<sub>2-<em>x</em>(WO<sub>4</sub>)<em><sub>x</sub></em>:0.3Eu<sup>3+</sup> Novel Red Phosphors</sub>[J]. Chinese Journal of Luminescence, 2016,37(3): 274-279 DOI: 10.3788/fgxb20163703.0274.
采用高温固相法合成具有余辉性能的发光材料NaLa
0.7
(MoO
4
)
2-
x
(WO
4
)
x
:0.3Eu
3+
(
x
=0
0.5
1
1.5
2)。用X射线衍射(XRD)和荧光光谱对样品的晶体结构和发光特性进行表征。测试结果表明
在900 ℃下烧结8 h所合成的NaLa
0.7
(MoO
4
)
2-
x
(WO
4
)
x
:0.3Eu
3+
样品为纯相NaLa(MoO
4
)
2
样品可被近紫外光393 nm和蓝光462 nm有效激发
其发射主峰位于615 nm处
属于Eu
3+
的
5
D
0
-
7
F
2
跃迁。NaLa
0.7
(MoO
4
)
2-
x
-
(WO
4
)
x
:0.3Eu
3+
的发光强度随着W
6+
浓度的增加而增大
当W
6+
掺杂量
x
=1时发光最强
而后随W
6+
掺杂浓度的增加出现浓度猝灭现象。通过计算得到样品在393 nm和462 nm激发下的色坐标
当W
6+
的掺杂量
x
=1时
样品的红光色纯度最好。
NaLa
0.7
(MoO
4
)
2-
x
(WO4)
x
:0.3Eu
3+
afterglow luminescent materials were synthesized by solid state reaction. The crystal structure and luminescence properties of the samples were characterized by means of X-ray diffraction and photoluminescence spectra. The results show that NaLa
0.7
(MoO
4
)
2-
x
(WO
4
)
x
:0.3Eu
3+
phosphors can be excited efficiently by near-ultraviolet (393 nm) and blue light (462 nm)
and the main emission peak is located at 615 nm due to
5
D
0
-
7
F
2
transition of Eu
3+
ions. X-ray diffraction pantterns (XRD) show that the phosphors calcinated at 900 ℃ for 8 h were pure NaLa(MoO
4
)
2
crystal phase. The luminescent intensity of NaLa
0.7
(MoO
4
)
2-
x
(WO
4
)
x
:0.3Eu
3+
increases with the increasing of W
6+
content
and reaches the maximum when the doping content of W
6+
(
x
) is 1. The phenomenon of concentration quenching occurs when W
6+
doping concentration is excess. Moreover
the CIE chromaticity (
x
y
) of NaLa
0.7
-(MoO
4
)
2-
x
(WO
4
)
x
:0.3Eu
3+
excited by 393 nm and 462 nm lights were analyzed. When the doping concentration of W
6+
(
x
)
is 1
the red chromaticity coordinate of the samples is closer to the Commission International de LEclairage (CIE) chromaticity coordinates.
发光材料钼酸盐/钨酸盐稀土长余辉
luminescent materialmolybdate/tungstaterare earthslong afterglow
耿秀娟,杨旭,李梓杨,等. Eu3+-Bi3+共掺杂Ca0.7Sr0.3MoO4荧光粉发光性能的研究 [J]. 光电子激光, 2015, 26(5):905-909. GENG X J, YANG X, LI Z Y, et al.. Luminescence investigation of Eu3+-Bi3+ co-doped Ca0.7Sr0.3MoO4 phosphor [J]. J. Optoelectron. Laser, 2015, 26(5):905-909. (in Chinese)
QIN L, HUANG Y L, TSUBOI T, et al.. The red-emitting phosphors of Eu3+-activated MR2(MoO4)4 (M=Ba, Sr, Ca; R=La3+, Gd3+, Y3+) for light emitting diodes [J]. Mater. Res. Bull., 2012, 47(12):4498-4502.
BAO X Y, ZHOU S P, WANG J G, et al.. Color tunable phosphor CaMoO4:Eu3+,Li+ via energy transfer of MoO42--Eu3+ dependent on morphology and doping concentration [J]. Mater. Res. Bull., 2013, 48(3):1034-1039.
MARQUES A P A, TANAKA M T S, LONGO E, et al.. The role of the Eu3+ concentration on the SrMoO4:Eu phosphor properties: synthesis, characterization and photophysical studies [J]. J. Fluoresc., 2011, 21(3):893-899.
LIU Y F, DAI S H, LU Y N, et al.. Microwave heating synthesis and luminescence property of Eu3+ doped SrMoO4 micro-octahedrons [J]. Powder Technol., 2012, 221:412-418.
NEERAH 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.
CHEN Y Q, YANG H K, PARK S W, et al.. Characterization and photoluminescent enhancement of Li+ corporation effect on CaWO4:Eu3+ phosphor [J]. J. Alloys Compd., 2012, 511(1):123-128.
FENG W L, JIN Y, WU Y, et al.. Co-precipitation synthesis and photoluminescence properties of Ba1-xMoO4:xEu3+ red phosphors [J]. J. Lumin., 2013, 134:614-617.
KHOBRAGADE N, SINHA E, ROUT S K. Structural, optical and microwave dielectric properties of Sr1-xCaxWO4 ceramics prepared by the solid state reaction route [J]. Ceram. Int., 2013, 39(8):9627-9635.
董国义,侯春彩,杨志平,等. 新型红色荧光粉Ca0.5Sr0.5MoO4:Sm3+的制备及光学性能 [J]. 光电子激光, 2014, 25(1):89-95. DONG G Y, HOU C C, YANG Z P, et al.. Synthesis and luminescence properties of a novel red Ca0.5Sr0.5MoO4:Sm3+ phosphor [J]. J. Optoelectron. Laser, 2014, 25(1):89-95. (in Chinese)
KANG F W, HU Y H, CHEN L, et al.. Luminescent properties of Eu3+ in MWO4 (M=Ca, Sr, Ba) matrix [J]. J. Lumin., 2013, 135:113-119.
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.
ZHANG Z W, LIU L, SHEN X H, et al.. Photoluminescence properties of Ca0.99Eu0.01(Mo1-xSix)O4 nanocrystals red-phosphors obtained by the hydrothermal method [J]. J. Alloys Compd., 2013, 577:480-485.
ANSARI A A, PARCHUR A K, ALAM M, et al.. Effect of surface coating on optical properties of Eu3+-doped CaMoO4 nanoparticles [J]. Spectrochim. Acta Part A, 2014, 131:30-36.
CHENG X R, YUAN C S, SU L, et al.. Effects of pressure on the emission of CaWO4:Eu3+ phosphor [J]. Opt. Mater., 2014, 37:214-217.
WAN L F, LV S C, SUN L N, et al.. Bi3+ enhanced red emission in Sr0.5Ca0.4MoO4:Eu3+ phosphor [J]. Opt. Mater., 2014, 36(3):628-632.
0
浏览量
26
下载量
9
CSCD
关联资源
相关文章
相关作者
相关机构