Four-Dimensional Incommensurate Modulation and Luminescent Properties of Host Material Na3La(PO4)2

被引：34

作者：

Zhao, Dan ^{[1
]}

Ma, Fa-Xue ^{[1
]}

Ma, Shu-Qi ^{[1
]}

Zhang, Ai-Yun ^{[1
]}

Nie, Cong-Kui ^{[1
]}

Huang, Min ^{[1
]}

Zhang, Lei ^{[1
]}

Fan, Yun-Chang ^{[1
]}

机构：

[1] Henan Polytech Univ, Coll Chem & Chem Engn, Jiaozuo 454000, Henan Province, Peoples R China

来源：

INORGANIC CHEMISTRY | 2017年 / 56卷 / 04期

基金：

中国国家自然科学基金;

关键词：

PHOTOLUMINESCENCE PROPERTIES; CRYSTAL-STRUCTURE; ENERGY-TRANSFER; SPECTRAL PROPERTIES; SOLID-SOLUTION; PHOSPHOR; SODIUM; IONS; BAND; VITUSITE;

D O I：

10.1021/acs.inorgchem.6b02241

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

A series of orthophosphates Na(3)Ln(PO4)(2) (Ln = lanthanoids) have for a long time been known as good luminescent materials, yet their crystal structures have not been studied in full detail. In this work, compound Na3La(PO4)(2) was prepared using molten salt (flux) method and for the first time was structurally determined on X-ray single-crystal diffraction data. Interestingly, it crystallizes in the four-dimensional incommensurately modulated structure with orthorhombic superspace group Pca(21)(0 beta 0)000 and modulation wave vector q = 0.387b*. Furthermore, to evaluate the potentiality of Na3La(PO4)(2) to be used as a luminescent host material, 5 mol % Eu3+, Tb3+, and Dy3+ doped phosphors were prepared, respectively. The excitation spectra, emission spectra, decay time, quantum efficiency, and the color purity of prepared phosphors, Na3La0.95Eu0.05(PO4)(2), Na3La0.95Tb0.05(PO4)(2), and Na3La0.95Dy0.05(PO4)(2), were studied.

引用

页码：1835 / 1845

页数：11

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