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Tunable luminescence of Sr2CeO4:M2+ (M=Ca,Mg,Ba, Zn) and Sr2CeO4:Ln3+ (Ln=Eu, Dy, Tm) nanophosphors.
Autorzy
Rok wydania
2012
Czasopismo
Journal of Physical Chemistry C
Numer woluminu
116
Strony
3219-3226
DOI
10.1021/jp208015z
Kolekcja
Język
Angielski
Typ publikacji
Artykuł
Nanophosphors based on cerium–strontium oxide (Sr2CeO4), doped with M2+ or Ln3+ (M = Ca, Mg, Ba, Zn; Ln = Eu, Dy, Tm) were successfully prepared using a modified Pechini method. The structure of prepared materials has been confirmed and characterized using several techniques such as X-ray powder diffraction (XRD), scanning and transmission electron microscopy (SEM and TEM). The obtained materials were composed of nanocrystals with an average size around ∼50 nm. The luminescence properties of synthesized nanophosphors were characterized by excitation or emission spectra and luminescence lifetimes. The chromaticity coordinates were also calculated to demonstrate changes of the luminescence color.
Adres publiczny
https://doi.org/10.1021/jp208015z
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