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Journal of Materials Science
Erschienen in: Journal of Materials Science 5/2015

01.03.2015 | Original Paper

Synthesis and luminescence properties of Sr3GdNa(PO4)3F: Sm3+ phosphor

verfasst von: Liu Han, Denghui Xu, Qiguang Xu, Qiumei Di, Jiayue Sun

Erschienen in: Journal of Materials Science | Ausgabe 5/2015

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Abstract

A series of Sr3Gd(1−x)Sm x Na(PO4)3F (x = 0.01, 0.03, 0.05, 0.07, 0.09) phosphors were synthesized through a conventional high-temperature solid-state reaction. The excitation and emission spectra indicate that these phosphors can be efficiently excited in the range from 350 to 430 nm which matches perfectly with the near-UV light, and emit orange–red light with CIE coordinates (0.5811, 0.4181). The concentration quenching mechanism of Sm3+ ions was ascribed to the dipole–dipole interaction. The activation energy E for thermal quenching is calculated to be 0.242 eV. And the lifetime of the Sr3Gd(1−x)Sm x Na(PO4)3F (x = 0.03, 0.05, 0.07, 0.09) phosphor was determined to be 0.8669, 0.8643, 0.8525, 0.8232 ms, respectively. These orange–red-emitting phosphors might be promising for use in n-UV white LEDs.
Vorheriger Artikel Synthesis of photoluminescent Si/SiO x core/shell nanoparticles by thermal disproportionation of SiO: structural and spectral characterization
Nächster Artikel Hydrophilic poly-ether side-chained benzodithiophene-based homopolymer for solar cells and field-effect transistors

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Metadaten
Titel
Synthesis and luminescence properties of Sr3GdNa(PO4)3F: Sm3+ phosphor
verfasst von
Liu Han
Denghui Xu
Qiguang Xu
Qiumei Di
Jiayue Sun
Publikationsdatum
01.03.2015
Verlag
Springer US
Erschienen in
Journal of Materials Science / Ausgabe 5/2015
Print ISSN: 0022-2461
Elektronische ISSN: 1573-4803
DOI
https://doi.org/10.1007/s10853-014-8788-9

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