A promising red-emitting phosphor Li2Eu4(MoO4)7 prepared by sol gel method

被引：15
作者：
Ru, Jingjing [1 ,2 ]
Ying, Shaoming [1 ]
Zheng, Wenxu [2 ]
Chen, Jianzhong [2 ]
机构：
[1] Ningde Normal Univ, Fujian Prov Univ Key Lab Green Energy & Environm, Fujian Prov Key Lab Featured Mat Biochem Ind, Dept Chem, Ningde 352100, Peoples R China
[2] Fuzhou Univ, Coll Chem, Fuzhou 350108, Fujian, Peoples R China
来源：
MATERIALS RESEARCH BULLETIN | 2016年 / 84卷
关键词：
Inorganic compounds; Sol-gel chemistry; Luminescence; X-ray diffraction; Phosphors; LUMINESCENT PROPERTIES; PHOTOLUMINESCENCE PROPERTIES; WHITE-LIGHT; CRYSTAL-STRUCTURE; DIODES; MOLYBDATES; NA; GD;
D O I：
10.1016/j.materresbull.2016.08.030
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
A series of red light-emitting phosphors Li2Y4-x(MoO4)(7):xEu(3+) were synthesized by a sol-gel method. These samples were characterized by DSC-TGA, XRD, PL and FE-SEM analysis. The best dosage of citric acid is four times of metal ions. The optimal sintering temperature is 900 degrees C. The luminescence intensity of Li2Y4-x(MoO4)(7):xEu(3+) are strongest when the doping concentration of Eu3+ is 4 mol. These phosphors can be excitated by near-UV light of 395 nm and blue light of 465 nm effectively, and show strong red light at 615 nm, which is corresponding to D-5(0) -> F-7(2) transition of Eu3+ ion. The CIE chromaticity coordinates of Li2Eu4(MoO4)(7) phosphor is calculated to be (0.6497, 0.3499), and its lifetime is 0.38 ms. The results show that the phosphor is a promising red component candidate for near-UV and bule LED application. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：468 / 473
页数：6
相关论文
共 50 条
[21]   Synthesis of Red-Emitting AgGd0.9Eu0.1(MoO4)2 Phosphors by Precipitation at Room Temperature [J].
Song, Jie ;
Du, Yanrong ;
Xu, Ling ;
Wei, Hengwei ;
He, Diping ;
Jiao, Huan .
JOURNAL OF THE AMERICAN CERAMIC SOCIETY, 2014, 97 (05) :1442-1449
[22]   Preparation and characterization of Li0.25Sr0.5(MoO4):Eu0.253+ red-emitting phosphors for white LEDs by organic gel-thermal decomposition process [J].
Li, Lingli ;
Shen, Xiangqian ;
Li, Lei ;
Meng, Xianfeng .
JOURNAL OF SOL-GEL SCIENCE AND TECHNOLOGY, 2011, 57 (02) :198-203
[23]   Cathodoluminescence properties of monoclinic phased reddish-orange emitting BaY2(MoO4)4:Eu3+ phosphor [J].
Krishnan, Rajagopalan ;
Swart, Hendrik C. .
OPTICAL MATERIALS, 2020, 99
[24]   A promising red-emitting phosphor SrLiAl3N4:Eu2+ for field emission displays [J].
Chen, Yigong ;
Li, Zebin ;
Li, Yixin ;
Seto, Takatoshi ;
Wang, Yuhua .
JOURNAL OF ALLOYS AND COMPOUNDS, 2021, 864
[25]   Synthesis and luminescence properties of red-emitting phosphors NaY0.87Eu0.13(WO4)1.2(MoO4)0.8 [J].
Zeng Lu ;
Tang Wanjun .
PHYSICA B-CONDENSED MATTER, 2011, 406 (14) :2901-2903
[26]   Preparation and luminescence characteristics of Li2Y4-xEux(WO4)7 red-emitting phosphor [J].
Ru, Jingjing ;
Guo, Juan ;
Luo, Wukui ;
Ye, Nan ;
Xiao, Yanchun .
NEW MATERIALS AND PROCESSES, PTS 1-3, 2012, 476-478 :1820-1824
[27]   Structure, properties and application of Eu3+doped bismuth molybdate red-emitting phosphor synthesized by sol-gel method [J].
Li, Yaoyao ;
Li, Huiya ;
Li, Yan ;
Liu, Dejia ;
Xie, Jixing ;
Ma, Haiyun ;
Qu, Hongqiang ;
Xu, Jianzhong ;
Han, Yuanyuan ;
Wang, Liyong .
OPTICAL MATERIALS, 2023, 144
[28]   Improved photoluminescence of red-emitting NaCaPO4:Eu3+ phosphor by charge compensation [J].
Chen, Li ;
Zhang, Zhan Hui ;
Tong, Chun ;
Cheng, De Fu ;
Huang, Zhi Liang .
PHYSICA STATUS SOLIDI A-APPLICATIONS AND MATERIALS SCIENCE, 2012, 209 (07) :1313-1316
[29]   Photoluminescence studies of high-efficient red-emitting K2Y(WO4)(PO4):Eu3+ phosphor for NUV LED [J].
Zhang, Xinguo ;
Chen, Mengyang ;
Zhang, Jilin ;
Qin, Xinzhen ;
Gong, Menglian .
MATERIALS RESEARCH BULLETIN, 2016, 73 :219-225
[30]   Preparation, microstructures and luminescence properties of transparent red-emitting Eu2Ca0.6(MoO4)3.6 suspension [J].
Kim, Eung-Dab ;
Cho, Young -Sik ;
Huh, Young-Duk .
OPTICAL MATERIALS, 2023, 140
12345