Luminescence in Li3ScBr6: Ce

Luminescence in Li3ScBr6: Ce

Synthesis and photoluminescence properties of Li3ScBr6:Ce phosphor are described. The phosphor was synthesized by a simple wet-chemical method. Lithium carbonate and Scandium oxide in stoichiometric proportions were dissolved in HBr. Activator was added in form of oxalate salt. After evaporating the...

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Veröffentlicht in:Journal of physics. Conference series 2021-05, Vol.1913 (1)
Hauptverfasser: Bhoyar, Rajani A, Nayak, A C, Tawalare, P K, Wankhede, S P, Moharil, S V
Format: Artikel
Sprache:eng
Schlagworte:
Cerium
Chemical synthesis
Excitation spectra
Lithium carbonate
Phosphors
Photoluminescence
Physics
Scandium oxides
Ultraviolet emission
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Zusammenfassung:Synthesis and photoluminescence properties of Li3ScBr6:Ce phosphor are described. The phosphor was synthesized by a simple wet-chemical method. Lithium carbonate and Scandium oxide in stoichiometric proportions were dissolved in HBr. Activator was added in form of oxalate salt. After evaporating the solution to dryness the phosphor powder was obtained. Strong ultraviolet emission was observed for this phosphor. The UV emission is typical of Ce3+. It consists of a 359 nm band having a component at about 340 nm. The excitation spectrum has the most intense band at 314 nm besides smaller bands/shoulders around 255, 280 and 335 nm.
ISSN:1742-6588
1742-6596
DOI:10.1088/1742-6596/1913/1/012036