Optical spectroscopy of ZnSiF6•6H2O:Mn4+ red phosphor

被引：63

作者：

Hoshino, Ryosuke ^{[1
]}

Adachi, Sadao ^{[1
]}

机构：

[1] Gunma Univ, Grad Sch Sci & Engn, Kiryu, Gunma 3768515, Japan

来源：

JOURNAL OF APPLIED PHYSICS | 2013年 / 114卷 / 21期

关键词：

PHOTOLUMINESCENT PROPERTIES; ELECTRONIC-SPECTRUM; LUMINESCENCE; TRANSITIONS; EFFICIENT; CRYSTALS; IONS;

D O I：

10.1063/1.4836896

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report on a method of synthesizing Mn4+-activated ZnSiF6 center dot 6H(2)O hydrate phosphor by the chemical reaction in a Teflon beaker. The structural and optical properties of ZnSiF6 center dot 6H(2)O:Mn4+ are investigated using x-ray diffraction measurement, photoluminescence (PL) analysis, PL excitation spectroscopy, diffuse reflectance measurement, and Raman scattering spectroscopy. The synthesized phosphor exhibits a series of sharp red emission peaks at similar to 630 nm, which is characteristic for Mn4+ ions. The luminescent study is focused on the thermal quenching phenomenon above similar to 300K and is found to be caused by thermal decomposition of the ZnSiF6 center dot 6H(2)O host. Degradation in the PL intensity under near-UV light illumination has also been observed to occur in this phosphor. (C) 2013 AIP Publishing LLC.

引用

页数：6

共 30 条

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