Luminescent Properties of a Novel Blue-Emitting Mg2La8(SiO4)6O2:Ce3+ Phosphor with Apatite-Type Nanostructure

被引：2
|
作者：
Wang, Zekun [1 ]
Huang, Jianfeng [1 ]
Li, Jia [1 ]
机构：
[1] Shaanxi Univ Sci & Technol, Shaanxi Key Lab Green Preparat & Functionalizat I, Sch Mat Sci & Engn, Xian 710021, Shaanxi, Peoples R China
来源：
JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY | 2020年 / 20卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Luminescence; Phosphors; Nanostructure; Apatite; Ce3+; ENERGY-TRANSFER BEHAVIOR; TUNABLE LUMINESCENCE; CRYSTAL-STRUCTURE; SILICATE GLASS; RARE-EARTH; WHITE; IONS;
D O I：
10.1166/jnn.2020.17302
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A novel blue-emitting Mg2La8(SiO4)(6)O-2:Ce3+ phosphor with apatite-type nanostructure has been successfully synthesized via a conventional solid-state reaction. X-ray diffraction (XRD) and photoluminescence (PL) spectroscopy were used to characterize the as-prepared samples. The phosphor exhibited an absorption band ranging from 220 to 400 nm in the ultraviolet range and generated bright blue emission at 425 nm and 510 nm under different excitation wavelengths. The critical Ce3+ quenching concentration (QC) was determined to be about 7 mol%, and the corresponding QC mechanism was verified to be the dipole-dipole interactions.
引用
收藏
页码：2521 / 2525
页数：5
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