金属元素掺杂尖晶石型镓酸镁的研究进展

doi:10.11962/1006-4990.2019-0330

摘要/Abstract

摘要：

镓酸镁（MgGa₂O₄）是一种尖晶石结构的镓酸盐,由氧化镁（MgO）和氧化镓（Ga₂O₃）复合而成,具有良好的介电性能、光学性能、耐辐射性能和高温稳定性等特点。由于其在蓝色可见光区存在自激活的发射带,在发光研究中受到了广泛的重视。稀土、过渡金属元素掺入后可改变其能量传递过程,提高发光效率,拓宽发光范围,应用于显示、照明、医学诊断及激光器等众多领域,是一种具有良好应用前景的材料。综述了近年来铬（Cr）、钴（Co）、锰（Mn）、镝（Dy）、铕（Eu）等金属元素单掺杂、共掺杂镓酸镁在结构与光学性能等方面的研究进展,分析了当前研究中所存在的主要问题,并对今后金属元素掺杂镓酸镁发光材料的研究与开发应用进行了展望。

关键词: MgGa₂O₄, 金属掺杂, 光学特性, 研究进展

Abstract:

Magnesium gallate（MgGa₂O₄） is a kind of gallate with spinel structure,which is composed of magnesium oxide （MgO） and gallium oxide（Ga₂O₃）.It has good dielectric properties,optical properties,radiation resistance and high tempera-ture stability etc..Due to the existence of a self-activated emission band in the blue visible light region,it has received exten-sive attention in luminescence research.The doping of rare earth and transition metal elements can change the energy transfer process,improve the luminescence efficiency and broaden the luminescence range,which can be applied in many fields such as display,illumination,medical diagnosis and laser,and it has broad application prospect.The research progress on the structure and optical properties of MgGa₂O₄ single doped and co-doped with metal elements such as chromium（Cr）,cobalt（Co）,manganese（Mn）,dysprosium（Dy） and europium（Eu） in recent years was summarized,the main problems existing in the current researches were analyzed,and the research directions and development applications of MgGa₂O₄ doped with metal elements in the future were also prospected.

Key words: MgGa₂O₄, metal doping, optical property, research progress

中图分类号:

TQ132.2

姚勇,郭锐. 金属元素掺杂尖晶石型镓酸镁的研究进展[J]. 无机盐工业, 2020, 52(4): 23-28.

Yao Yong,Guo Rui. Research progress of metal element doped spinel type MgGa₂O₄[J]. Inorganic Chemicals Industry, 2020, 52(4): 23-28.

图/表 1

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掺杂样品	激发波段/ nm	发射波段/ nm	应用
MgGa₂O₄： Cr^{3+[10,11,12,13,14]}	230	707	生物成像探针、可调谐激光器
MgGa₂O₄： Co^2+[19,20,21]	545	680	可调谐介质、高寿命光学器件
MgGa₂O₄： Dy^3+[26,27]	350	480、575、665	白色LED荧光粉
MgGa₂O₄：Eu^3+[28]	257	613	固态激光器件、低能量
MgGa₂O₄：Pr^3+[28]	247	497	激发荧光粉
MgGa₂O₄：Mn^2+[29]	300/532	501/642	绿色/红色光源材料、荧光显示器
MgGa₂O₄：Ni^2+[30]	974	1 260	近红外可调谐激光器
MgGa₂O₄： Co²⁺,Cr^3+[31]	585	680、700	红色光源材料
MgGa₂O₄： Er³⁺,Yb^3+[32]	980	522、545、 651、1 530	激光器、光纤放大器
MgGa₂O₄： Mn²⁺,Eu^2+[33]	254	503	等离子体显示器
MgGa₂O₄： Mn²⁺,Ce^3+[33]	254	503	等离子体显示器
MgGa₂O₄： Mn²⁺,Yb^3+[34]	976	507	高效光电器件
MgGa₂O₄： Mn²⁺,Eu^3+[35]	260	430、505、617	白光高效荧光粉
MgGa₂O₄：Er³⁺, Yb³⁺,Mn^2+[36]	980	507、1 500	温度传感器、光传输

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