Keywords
Ca2Al2SiO7
ion đất hiếm
truyền năng lượng rare earth ion
energy transfer
ion đất hiếm
truyền năng lượng rare earth ion
energy transfer
How to Cite
1.
Tiến Đỗ T, Nguyễn MS, Trần TT. Spectroscopic characteristics of Ca2Al2SiO7 phosphors co-doped with Ce3+ and Sm3+. hueuni-jns [Internet]. 2022Mar.31 [cited 2024Nov.23];131(1A):51-5. Available from: https://jos.hueuni.edu.vn/index.php/hujos-ns/article/view/6312
Abstract
Luminescent materials Ca2Al2SiO7 co-doped with Ce3+ and Sm3+ were prepared with the solid-state reaction method. The XRD diffraction patterns show that the samples have a single tetragonal phase structure. The luminescent spectra of Ca2Al2SiO7: Ce3+,Sm3+ phosphor have a broad band with a peak at 420 nm, characterizing the transition of the electronic configuration of Ce3+ ion and narrow lines peaked at about 563, 602, 645, and 712 nm, representing the transition of the Sm3+ ion. The energy transfer from Ce3+ to Sm3+ was presented and discussed.
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