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1. 河北大学 物理科学与技术学院,河北 保定,071002
2. 河北大学电子信息工程学院,河北 保定,071002
纸质出版日期:2015-4-3,
收稿日期:2015-1-7,
修回日期:2015-2-6,
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杨志平, 冉争瑞, 王天洋等. K<sub>2</sub>ZnSiO<sub>4</sub>:Eu<sup>3+</sup>红色荧光粉的制备及发光性能[J]. 发光学报, 2015,36(4): 377-381
YANG Zhi-ping, RAN Zheng-rui, WANG Tian-yang etc. Synthesis and Luminescence Properties of K<sub>2</sub>ZnSiO<sub>4</sub>:Eu<sup>3+</sup> Red Phosphor[J]. Chinese Journal of Luminescence, 2015,36(4): 377-381
杨志平, 冉争瑞, 王天洋等. K<sub>2</sub>ZnSiO<sub>4</sub>:Eu<sup>3+</sup>红色荧光粉的制备及发光性能[J]. 发光学报, 2015,36(4): 377-381 DOI: 10.3788/fgxb20153604.0377.
YANG Zhi-ping, RAN Zheng-rui, WANG Tian-yang etc. Synthesis and Luminescence Properties of K<sub>2</sub>ZnSiO<sub>4</sub>:Eu<sup>3+</sup> Red Phosphor[J]. Chinese Journal of Luminescence, 2015,36(4): 377-381 DOI: 10.3788/fgxb20153604.0377.
采用高温固相法合成了适合近紫外光、蓝光激发的K
2
ZnSiO
4
:Eu
3+
红色荧光粉
研究了该荧光粉的发光特性。XRD结果显示
所合成的荧光粉主晶相为K
2
ZnSiO
4
。样品的激发光谱由O
2-
Eu
3+
电荷迁移带(200~350 nm)和Eu
3+
离子的特征激发峰(350~500 nm)组成
最强峰位于396 nm
次强峰位于466 nm。在396 nm和466 nm激发下
样品均呈多峰发射
分别由Eu
3+
离子的
5
D
0
7
F
J
(
J
= 0
1
2
3
4)能级跃迁产生
其中619 nm处峰值最大。增加Eu
3+
离子的掺杂浓度
荧光粉的发光逐渐增强。在实验测定的浓度范围内
未出现浓度猝灭现象。不同Eu
3+
浓度样品的色坐标均位于色品图红光区
非常接近NTSC标准。
The red phosphor K
2
ZnSiO
4
:Eu
3+
which could be effectively excited by ultraviolet and blue light was synthesized by high temperature solid state reaction
and its luminescent characteristics were also investigated. The principal crystalline phase of the samples is K
2
ZnSiO
4
. The excitation spectra of the sample consist of O
2-
Eu
3+
charge transitions (200-350 nm) and Eu
3+
ion excitation peak (350-500 nm). The maximum peak appears at 396 nm and the second peak appears at 466 nm. The phosphor presents several emission peaks under 396 nm and 466 nm excitation
which correspond to the
5
D
0
7
F
J
(
J
= 0
1
2
3
4)transition of Eu
3+
respectively
and the strongest emission is located at 619 nm. The luminescent intensity increases with the increasing of Eu
3+
content. The concentration quenching does not occur. The CIE coordinates of K
2
ZnSiO
4
:Eu
3+
are very close to the NTSC standard.
荧光粉红色Eu3+掺杂高温固相法
phosphorredEu3+ dopinghigh temperature solid state reaction
He X H. Synthesis and photoluminescence properties of red-emitting phosphor SrZnO2:Sm3+ by Li+ doping for LED [J]. Rare Mater. Eng.(稀土材料与工程), 2007, 36(9):1574-1577 (in Chinese).
Du N, Huang H Y, Han Z. Luminescent properties of BaMg2(PO4)2:Sm3+ red-emitting phosphor [J]. J. Funct. Mater. Dev.(功能材料与器件学报), 2012, 18(3):209-213 (in Chinese).
Zhao D, Feng Y L, Wang Y G, et al. Electrochemical performance comparison of LiFePO4 supported by various carbon materials [J]. Electrochim. Acta, 2013, 88(15):632-638.
Jin Y H, Hu Y H, Chen L, et al. A novel emitting color tunable phosphor Ba3Gd(PO4)3:Ce3+,Tb3+ based on energy transfer [J]. Physica B, 2014, 436(1):105-110.
Huang G L, Li W, Sun H Z, et al. Polyvinylpyrrolidone (PVP) assisted synthesized nano- LiFePO4/C composite with enhanced low temperature performance [J]. Electrochim. Acta, 2013, 97(1):92-98.
Rao B V, Nien Y T, Hwang W S, et al. An investigation on luminescence and energy transfer of Ce3+ and Tb3+ in Ca3Y2Si3O12 phosphors [J]. J. Electrochem. Soc., 2009, 156(11):J338-J341.
Chandramouli K, Asish K S, Kee-sun S. Effect of local structures on the luminescence of Li2(Sr, Ca, Ba) SiO4:Eu2+ [J]. J. Electrochem. Soc., 2009, 156(3):J52-J56.
Patra A, Baker Gary A, Baker Sheila N. Synthesis and luminescence study of Eu3+ in Zn2SiO4 nanocrystals [J]. Opt. Mater., 2004, 27(1):15-20.
Zhou L Y, Wei J S, Gong F Z, et al. A potential red phosphor ZnMoO4:Eu3+ for light-emitting diode application [J]. J. Solid State Chem., 2008, 181(6):1337-1341.
Zhai Y Q, Wang X, Feng S H, et al. Synthesis and properties of novel red-emitting phosphor Li2SrSiO4:Eu3+ for white LED [J]. J. Mater. Eng.(材料工程), 2011(3):24-27 (in Chinese).
Ji H X, Yang D M, Hu W Y, et al. Luminescence characterization and synthesis of -LiAlO2:Eu3+ by gel combustion [J]. J. Wuhan Univ. Technol., 2011, 26(3):434-438.
Hu W Y, Yang D M, Liu X, et al. Homogeneous co-precipitation synthesis and photoluminescence of nano ZnO:(Eu, Li) phosphor with red luminescence [J]. J. Chin. Ceram. Soc.(硅酸盐学报), 2009, 37(8):1419-1423(in English).
Su F H, Ma B S, Ding K, et al. Luminescence temperature and pressure studies of Zn2SiO4 phosphors doped with Mn2+ and Eu3+ ions [J]. J. Lumin., 2006, 116:117-126.
Yu X B, Yang L Z, Yang S P, et al. Synthesis and luminescence of SrZnO2:Eu3+,Li+ phosphor by long wavelength UV excitation [J]. J. Chin. Rare Earth Soc.(中国稀土学报), 2005, 23(5):533-536 (in Chinese).
Song E H, Zhao W R, Zhou G X, et al. Luminescence properties of red phosphors Ca10Li(PO4)7:Eu3+ [J]. J. Rare Earths, 2011, 29(5):440-443.
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