Photoluminescence properties and analysis of spectral structure of Eu3+-doped SrY2O4.
The aim of this work is to report on the luminescence properties of SrY2O4 activated by Eu3+ ion. Powder samples were prepared by solid-state reaction. X-ray diffraction powder data, photoluminescence, and high-resolution spectroscopy were carried out. Results revealed that the Eu3+ ions occupied three nonequivalent sites, with one at the Sr site, one at the Y(1) site, and another at the Y(2) site. Their spectra wavelengths for the 7F0-5D0 transition are located at 578.49, 581.86, and 580.63 nm, respectively. The corresponding charge-transfer transitions are located at 248, 257, and 270 nm, respectively, which are also confirmed by theoretical analysis.
Fu
Zuoling
Z
Laboratory of Rare Earth Chemistry and Physics, Changchun Institute of Applied Chemistry, Graduate School, Chinese Academy Sciences, Changchun 130022, China.
Zhou
Shihong
S
Yu
Yingning
Y
Zhang
Siyuan
S