Luminescence and energy transfer of a color tunable Tb3+ and Eu3+ co-doped Mg0.5Ti2(PO4)3 phosphor

作者：Wang, Jiyou; Li, Rongdan; Feng, Yang^*; Liu, XiangXiang; Liu, Hongmei

来源：Optik, 2017, 140: 658-664.

DOI：10.1016/j.ijleo.2017.04.095

• Energy transfer
• Photoluminescence
• Mg0.5-x-yTi2(PO4)(3):xTb(3+), yEu(3+)

The Mg0.5-x-yTi2(PO4)(3):xTb(3+), yEu(3+) phosphors were synthesized by solid-state reaction method. The photoluminescence excitation spectra and the luminescence emission spectra of Tb3+/Eu3+ single doped and co-doped Mg0.5Ti2(PO4)(3) phosphors have been measured. The energy transfer from Tb3+ to Eu3+ was proved by emission spectra, excitation spectra and decay curves. The emission colors of Mg0.5-x-yTi2(PO4)(3):xTb(3+), yEu(3+) phosphors under 380 nm excitation are located at purple areas, purplish areas, pink areas and reddish orange areas. The results of color coordinates show that the color-tunable luminescence can be realized by adjusting the concentrations of Tb3+ and Eu3+ ions. The experiment presents that single-component Mg0.5-x-yTi2(PO4)(3):xTb(3+), yEu(3+) phosphors are promising for application in the luminescence.

• 出版日期2017
• 单位北京工业大学