硅酸盐通报2025，Vol.44Issue(1)：353-359,7.DOI:10.16552/j.cnki.issn1001-1625.2024.0701
Y2MgTiO6∶Dy3+,Eu3+荧光粉的发光性能及能量传递
Luminescence Properties and Energy Transfer of Y2MgTiO6∶Dy3+,Eu3+Phosphors
摘要
Abstract
A series of Y2(0.97-x)Dy0.06MgTiO6∶2xEu3+(YMT:0.06Dy3+,2xEu3+)phosphors were successfully synthesized by sol-gel method.The effect of Dy3+,Eu3+co-doping on phase,microstructure and fluorescence properties of samples was investigated.The results show that the prepared YMT:0.06Dy3+,2xEu3+phosphors are double perovskite structure(crystallized in monoclinic space group P21/n)and the particle size is 1～2 μm.Under the excitation of 262 nm ultraviolet light,the emission spectra show a typical linear characteristic spectra of Dy3+and Eu3+.The main emission peaks are located at483(4F9/2→6H15/2),579(4F9/2→6H13/2)and 619 nm(5D0→7F2),respectively.There is a significant energy transfer between Dy3+and Eu3+,which is mediated by electric dipole-electric dipole(d-d)interaction.The luminescence intensity of the obtained phosphors at 423 K could remain 74.36％of that at room temperature,showing excellent thermal stability.By changing the concentration of Eu3+,the luminescence color of phosphors shift from yellow region to orange-red spectral region.YMT:0.06Dy3+,2xEu3+phosphors are expected to be candidate materials for solid-state LED lighting.关键词
Y2MgTiO6/Dy3+、Eu3+共掺杂/溶胶-凝胶法/发光性能/热稳定性/LEDKey words
Y2MgTiO6/Dy3+,Eu3+co-doping/sol-gel method/luminescence property/thermal stability/LED分类
化学化工引用本文复制引用
蒋小康,高峰,周恒为..Y2MgTiO6∶Dy3+,Eu3+荧光粉的发光性能及能量传递[J].硅酸盐通报,2025,44(1):353-359,7.基金项目
2024年度新疆凝聚态相变与微结构实验室开放课题(XJZDX0912Z2401) （XJZDX0912Z2401）
