Upconversion multicolor tuning of NaY(WO_4)_2:Tb^(3+) with Eu^(3+) doping

查看全文 作　　者：Zhongxiang [1]Shi;Jing [1]Wang;Xin [1]Guan

机构地区：[1]Liaoning Key Laboratory for Fabrication and Application of Superfine Inorganic Powders,Dalian Jiaotong University

出　　处：《Journal of Rare Earths》索引2018年第36卷第9期,共6页

基　　金：Project supported by the National Key Research and Development Program of China(2017YFB0310300);National Natural Science Foundation of China(51274052);Natural Science Foundation of Liaoning Province(201602134);Department of Education of Liaoning Province(JDL2016002) 摘　　要：A series of Tb^(3+) and Eu^(3+) co-doped NaY(WO_4)_2 phosphors were synthesized by hydrothermal reactions.The crystal structure,morphology,upconversion luminescent properties,the energy transfer from Tb^(3+) to Eu^(3+)ions and the ~5 D_4→ ~7 F_5 transition of the Tb^(3+) ion in NaY(WO_4)_2:Tb^(3+),Eu^(3+) phosphors were investigated in details.The results indicate that all the synthesized samples are of pure tetragonal phase NaY(WO_4)2.Furthermore,the micrometer-sized needle spheres and excellent dispersion of the particles are obtained by adding polyethylene glycol(PEG-2000) as the surfactant.Phosphors of NaY(WO_4)_2:Tb^(3+),Eu^(3+) exhibit the492 nm blue emission peak,546 nm green emission peak,595 nm orange emission peak and 616 nm red emission peak under 790 nm excitation.The energy transfer from Tb^(3+) to Eu^(3+) is a resonant transfer,in which electric dipole-dipole interaction plays a leading role.By adjusting the doping concentration of Eu^(3+) in NaY(WO_4)_2: 1.0 mol%Tb^(3+),xmol%Eu^(3+) phosphors,the emitting color of UC phosphors can be tuned from green to red. 关键词：色调结构综合黄磷形态学光性质热水

相关文献

参考文献（21）
引证文献（6）
耦合文献（0）

参考文献(21)

引证文献(6)

互联网出版许可证新出网证(渝)字10号全国400电话 - 免长途话费

Upconversion multicolor tuning of NaY(WO_4)_2:Tb^(3+) with Eu^(3+) doping

参考文献(21)

引证文献(6)

用户提示