Synthesis and emission properties of Ca3Nb2O8:Sm3+ phosphor and the emission improvement by Li+ ion

被引：22

作者：

Cao, Renping ^{[1
]}

Huang, Jijun ^{[1
]}

Ceng, Xiangfeng ^{[1
]}

Hu, Zuofu ^{[1
]}

Chen, Ting ^{[1
]}

Hu, Wen ^{[1
]}

Zhang, Xinqin ^{[1
]}

机构：

[1] Jinggangshan Univ, Coll Math & Phys, Jian 343009, Jiangxi, Peoples R China

来源：

OPTIK | 2017年 / 135卷

基金：

中国国家自然科学基金;

关键词：

Phosphors; Perovskite; Sm3+ ion; Optical properties; Energy transfer; Tunable emission; OPTICAL-PROPERTIES; ENERGY-TRANSFER; PHOTOLUMINESCENCE PROPERTIES; LUMINESCENCE PROPERTIES; SM; DY;

D O I：

10.1016/j.ijleo.2017.01.064

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Ca3Nb2O8:Sm3+ phosphor is synthesized by solid-state reaction method in air. Host Ca3Nb2O8 emits blue light with excitation 260 and 314 nm, and its emission band peaking at 460 nm is attributed to the T-3(1,2) -> (1)A(1) transations in [Nb2O86-] group. Ca3Nb2O8:Sm3+ phosphor with excitation 314 nm shows a systematically tunable emission by adjusting Sm3+ ion concentration, and only emits reddish-orange light with excitation 407 nm. Excitation band indicates that Ca3Nb2O8:Sm3+ phosphor may be effectively excited by (similar to 407 nm) near ultraviolet light-emitting diode chip. The optimal Sm3+ ion concentration is 5 mol% in Ca3Nb2O8:Sm3+ phosphor. Emission intensity of Ca3Nb2O8:Sm3+ phosphor may be increased similar to 1.4 times by co-doping Li+ ions as charge compensator and fluxing agent roles. The experimental results will contribute to studying novel Sm3+-doped luminescent materials. (C) 2017 Elsevier GmbH. All rights reserved.

引用

页码：124 / 128

页数：5

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