Synthesis and photoluminescence properties of blue-emitting Sr3La2(PO4)2(SiO4)O: Eu2+ phosphors

A series of Sr3La2(PO4)2(SiO4)O: Eu2+ phosphors were synthesized by conventional high-temperature solid-state reaction. The phase formation was confirmed by XRD analysis. The photoluminescence properties of Sr3La2(PO4)2(SiO4)O: Eu2+ phosphors were investigated systematically. The phosphors exhibit a...

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Bibliographic Details
Published in:Journal of solid state chemistry 2020-08, Vol.288, p.121410, Article 121410
Main Authors: Tang, Xuyi, Wang, Hui, Cheng, Ju, Ma, Chunlin, Zuo, Fen, Bian, Xintian, Zhai, Zhangyin, Shi, Jin
Format: Article
Language:English
Subjects:
Phosphors
Photoluminescence properties
wLEDs
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Summary:A series of Sr3La2(PO4)2(SiO4)O: Eu2+ phosphors were synthesized by conventional high-temperature solid-state reaction. The phase formation was confirmed by XRD analysis. The photoluminescence properties of Sr3La2(PO4)2(SiO4)O: Eu2+ phosphors were investigated systematically. The phosphors exhibit absorption in the ultraviolet–visible spectral region of 280–420 ​nm and show an intense asymmetric broadband blue emission peaking at 454 ​nm under the excitation at 365 ​nm. The concentration quenching mechanism, decay property, and thermal stability have been discussed in detail. The investigation results indicate that Sr3La2(PO4)2(SiO4)O: Eu2+ will have applications as the blue component in tricolor near-ultraviolet pumped white light-emitting diodes. The Sr3La2(PO4)2(SiO4)O: Eu2+ phosphor was reported, which shows the potential application as a blue component in tricolor n-UV pumped wLEDs. [Display omitted]
ISSN:0022-4596
1095-726X
DOI:10.1016/j.jssc.2020.121410