Luminescence properties of Tb-doped SrAl4O7

In this research terbium-doped strontium aluminate SrAl4O7 samples were synthesized using solid-state synthesis method. X-Ray powder diffraction (XRD) and photoluminescence (PL) measurements were applied for sample characterization. All of them exhibited yellowish-green emission with highest peak at...

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Bibliographic Details
Published in:Journal of solid state chemistry 2022-08, Vol.312, p.123251, Article 123251
Main Authors: Misevicius, Martynas, Harnik, Artur, Ramanauskas, Rimantas
Format: Article
Language:English
Subjects:
Luminescence
Solid-state synthesis
SrAl4O7:Tb3
X-ray powder diffraction
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Summary:In this research terbium-doped strontium aluminate SrAl4O7 samples were synthesized using solid-state synthesis method. X-Ray powder diffraction (XRD) and photoluminescence (PL) measurements were applied for sample characterization. All of them exhibited yellowish-green emission with highest peak at 542 ​nm attributable to 5D4 →7F5 transition. The highest emission intensity was observed in Sr0.98Al4O7:Tb0.02 sample while higher doping levels resulted in decrease of the PL intensities due to concentration quenching. Samples with additional IA group ions for charge compensation were also prepared and their PL properties were measured. [Display omitted] •Monophasic terbium-doped SrAl4O7 samples were prepared.•All samples exhibited yellowish-green emission with highest peak at 542 ​nm.•Effect of charge compensation (by adding IA-group ions) on luminescence was studied.
ISSN:0022-4596
1095-726X
DOI:10.1016/j.jssc.2022.123251