The effect of Mg introduction on structural and luminescence properties of Zn2SiO4:Mn phosphor

被引：17

作者：

Krasnenko, Tatiana, I ^{[1
]}

Zaitseva, Natalia A. ^{[1
,2
]}

Ivanova, Irina, V ^{[1
]}

Baklanova, Inna, V ^{[1
]}

Samigullina, Rina F. ^{[1
]}

Rotermel, Mary, V ^{[1
]}

机构：

[1] Russian Acad Sci, Inst Solid State Chem, Ural Branch, Pervomayskaya St 91, Ekaterinburg 620990, Russia

[2] Ural State Min Univ, Kuibyshev St 30, Ekaterinburg 620144, Russia

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2020年 / 845卷

关键词：

Phosphors; Optical properties; Luminescence; Optical spectroscopy; X-ray diffraction; OPTICAL-PROPERTIES; PHOTOLUMINESCENCE PROPERTIES; GREEN PHOSPHORS; COMPOSITE; EMISSION; NANOPHOSPHOR; IONS;

D O I：

10.1016/j.jallcom.2020.156296

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The effect of magnesium on the structural and luminescent properties of Zn2SiO4:Mn phosphor has been considered on the example of the Zn1.92-2xMn2xMg0.08SiO4 solid solutions. It is demonstrated that the introduction of magnesium ions into the cationic sublattice of Zn2-2xMn2xSiO4 increases the isomorphic capacity of the willemite structure from x = 0.13 to x = 0.20 and stabilizes manganese in a doubly charged state. It is shown that at x <= 0.1 doping with magnesium increases the luminescence intensity of crystal phosphor. A crystal-chemical mechanism of the influence of co-doping on the luminescence intensity has been proposed: the addition of magnesium reduces the local distortion regions of the crystal structure around Mn(2+ )activator-ion and reduces the excitation energy losses on these distortions. (C) 2020 Elsevier B.V. All rights reserved.

引用

页数：9

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