A single-phase full-color phosphor Sr2Ca2La(PO4)3O:Eu2+,Tb3+,Mn2+: Photoluminescence and energy transfer

被引：11

作者：

Cheng, Ju ^{[1
]}

Bian, Xintian ^{[1
]}

Zhai, Zhangyin ^{[1
]}

Sardar, Maryam ^{[2
]}

Lu, Jian ^{[2
]}

机构：

[1] Huaiyin Normal Univ, Sch Phys & Elect Elect Engn, Huaian 223001, Peoples R China

[2] Nanjing Univ Sci & Technol, Sch Sci, Nanjing 210094, Peoples R China

来源：

JOURNAL OF RARE EARTHS | 2022年 / 40卷 / 04期

关键词：

Phosphors; Energy transfer; Photoluminescence properties; White light-emitting diodes; Rare earths; LUMINESCENCE PROPERTIES; CRYSTAL-STRUCTURE; MN2+; TB3+; EU2+; EMISSION; MECHANISM; CE3+;

D O I：

10.1016/j.jre.2021.01.018

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

A single-phase full-color emitting phosphor Sr2Ca2La(PO4)(3)O:Eu2+,Tb3+,Mn2+ was synthesized by the high temperature solid-state method. The phase formation, luminescence properties, thermal stability, and energy transfer from Eu2+ to Tb3+ and Eu2+ to Mn2+ in Sr2Ca2La(PO4)(3)O were investigated in details. Tunable emission color from blue to blueish green or orange can be observed under 365 nm near-ultraviolet excitation based on the energy transfer from Eu2+ to Tb3+ or Mn2+ ions by varying the ratio of Eu2+/Tb(3+ )or Eu2+/Mn2+ ions. White light was obtained with chromaticity coordinates of (0.3558, 0.3500) in the Sr2Ca2La(PO4)(3)O:0.04Eu(2+),0.08Tb(3+),0.40Mn(2+) phosphor, suggesting their potential applications in white light emitting diodes.(c) 2021 Chinese Society of Rare Earths. Published by Elsevier B.V. All rights reserved.

引用

页码：541 / 550

页数：10

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