植物生长灯用MgAl2O4∶Mn4+荧光粉制备及光学性能研究
Prepare and Research of MgAl2O4∶Mn4+for Plant Growth Lighting
杨学忠 1朱鸿群 1王浩然 1张玉红1
作者信息
- 1. 吉林建筑大学电气与计算机学院,吉林长春 130118
- 折叠
摘要
本文采用高温固相法成功制备了 MgAl2O4∶Mn4+荧光粉,通过对激发光谱和发射光谱的研究,证实该样品能够被250～550 nm的紫外和蓝光有效激发,实现高亮度的600～800 nm的红光辐射.样品的发射峰位于652 nm,对应于Mn4+离子的2Eg→4A2g跃迁.同时利用变温光谱详细地分析了样品的热稳定性.文中也给出了样品的发光机理.最后将样品的下转换发射光谱与光敏色素P,的吸收光谱进行对比,证明了 MgAl2O4∶Mn4+荧光粉在植物生长照明领域有应用潜力.
Abstract
In this paper,MgAl2O4∶Mn4+phosphor was successfully prepared by high-temperature solid-state method.Through the study of excitation spectrum and emission spectrum,it was confirmed that the sample can be effectively excited by ultraviolet and blue light of 250-550 nm,and achieve high brightness 600-800 nm red radiation.The emission peak of the sample is located at 652 nm,corresponding to the 2Eg→ 4A2g transition of Mn4+ions.At the same time,the thermal stability of the samples was analyzed in detail by temperature-dependent spectroscopy.The luminescence mechanism of the sample is also given.Finally,the down-conversion emission spectrum of the sample is compared with the absorption spectrum of the photosensitive pigment Pr,which proves that the MgAl2O4∶Mn4+ phosphor has application potential in the field of plant growth lighting.
关键词
下转换发光/红色荧光粉/匹配度/植物生长灯Key words
down-conversion luminescence/red phosphor/matched-degree/plant growth lamp引用本文复制引用
基金项目
吉林省科技厅重点研究项目(20200403072SF)
吉林省大学生创新创业训练计划()
出版年
2024
NETL
NSTL
万方数据