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Journal of Materials Science: Materials in Electronics
Erschienen in: Journal of Materials Science: Materials in Electronics 22/2017

06.09.2017

The influence on the luminescence properties of Sr1.95−xEu0.05MgxSi5N8 with different Sr/Mg ratios

verfasst von: Chuang Wang, Ge Zhu, Shuangyu Xin, Huiling Zheng

Erschienen in: Journal of Materials Science: Materials in Electronics | Ausgabe 22/2017

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Abstract

A series of Sr1.95−xEu0.05MgxSi5N8:Eu2+ nitride phosphors were synthesized by gas-pressed sintering method. X-ray diffraction with Rietveld refinements, photoluminescence spectra, thermal quenching behavior, and lifetimes were utilized to characterize samples. The influence of incorporating Mg2+ into Sr2Si5N8:Eu2+ phosphors on the crystal structure and luminescence properties were discussed in detail. At a certain concentration, doping Mg2+ can greatly enhance the PL intensity of Sr2Si5N8:Eu2+ phosphors. The red phosphor Sr1.95−xEu0.05MgxSi5N8:Eu2+ exhibited a small thermal quenching, which remained 75% of the initial emission intensity when measured at 150 °C. All the results indicate that the Sr1.95−xEu0.05MgxSi5N8:Eu2+ can be an excellent candidate of phosphor applicable to n-UV LEDs for solid-state lighting.
Vorheriger Artikel Sintering effect on varistor properties and degradation behavior of ZVMB varistor ceramics
Nächster Artikel Optimized synthesis and characterization of lutetium carbonate and oxide nanoparticles and their use as degradation photocatalyst

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Metadaten
Titel
The influence on the luminescence properties of Sr1.95−xEu0.05MgxSi5N8 with different Sr/Mg ratios
verfasst von
Chuang Wang
Ge Zhu
Shuangyu Xin
Huiling Zheng
Publikationsdatum
06.09.2017
Verlag
Springer US
Erschienen in
Journal of Materials Science: Materials in Electronics / Ausgabe 22/2017
Print ISSN: 0957-4522
Elektronische ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-017-7633-8

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