白光LED用Mn^(4+)激活氟氧化物红色荧光粉研究进展  

Advance in Mn^(4+)-doped Oxyfluoride Red-emitting Phosphors for WLED

作　　者：马道远 刘云正 夏李斌[1] MA Daoyuan;LIU Yunzheng;XIA Libin(School of Energy and Engineer,Jiangxi University of Science and Technology,Nanchang 330013,China)

机构地区：[1]江西理工大学能源与机械工程学院,江西南昌330013

出　　处：《发光学报》2023年第11期1904-1922,共19页Chinese Journal of Luminescence

基　　金：国家自然科学基金(52062017);江西省自然科学基金(20212BAB201013,20212BAB214020)。

摘　　要：近年来,白光LED因其节能、环保、长寿命等优点已成为市场主流照明。高性能红色荧光粉是改善白光LED显色性的重要材料。Mn^(4+)激活氟氧化物红色荧光粉兼具了氟化物的良好发光性能和氧化物的高稳定性,当前已成为了一个研究热点。本文综述了多种以Mn^(4+)为激活剂的氟氧化物红色荧光粉,从晶体场理论以及热猝灭机理的角度出发,分类详述了各荧光粉晶体结构对发光性能的影响关系,以期为改善Mn^(4+)激活氟氧化物荧光粉发光性能提供理论指导。最后总结了Mn^(4+)激活氟氧化物红色荧光粉的优缺点和研究中存在的问题,并对未来的发展趋势进行了展望。In recent years,white LED has become the mainstream lighting in the market due to its advantages of energy conservation,environmental protection,and long life-time.High performance red phosphor is an important material for improving the color rendering performance of white LED.Mn^(4+)-activated oxyfluoride red phosphors have become a research hot spot due to their excellent luminescent properties and high stability of oxides.In this paper,a variety of red oxyfluoride phosphors using Mn^(4+)as an activator are reviewed.From the perspective of crystal field the⁃ory and thermal quenching mechanism,the relationship between the crystal structure of each phosphor and its lumi⁃nescent properties is classified and detailed,in order to provide theoretical guidance for improving the luminescent properties of Mn^(4+)-activated oxyfluoride phosphors.Finally,the advantages and disadvantages of Mn^(4+)activated oxy⁃fluoride red phosphors and the existing problems in the research are summarized,and the future development trend is prospected.

关 键 词：发光材料 Mn^(4+) 氟氧化物 红色荧光粉 白光LED 

分 类 号：O482.31[理学—固体物理]