Publication | Closed Access
Remarkable flux effect of Li-codoping on highly enhanced luminescence of orthosilicate Ba<sub>2</sub>SiO<sub>4</sub>:Eu<sup>2+</sup> phosphors for NUV-LEDs: autonomous impurity purification by eutectic Li<sub>2</sub>CO<sub>3</sub> melts
17
Citations
27
References
2015
Year
Materials ScienceInorganic ChemistryApplied ChemistrySolid-state LightingLow-purity PrecursorsEngineeringInorganic MaterialPhotoluminescenceIntrinsic ImpurityRemarkable Flux EffectSolid-state ChemistryAutonomous Impurity PurificationChemistryLuminescence PropertyPl IntensityOptoelectronics
The PL intensity of Li-doped Ba<sub>2</sub>SiO<sub>4</sub>:Eu<sup>2+</sup> (Li = 200% excess) is found to be 470% higher than that of Ba<sub>2</sub>SiO<sub>4</sub>:Eu<sup>2+</sup> (no-Li). The excess Li<sub>2</sub>CO<sub>3</sub> autonomously removes the impurities contained in the low-purity precursors, in particular SiO<sub>2</sub>.
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