稀土激活发光材料的研究进展  

Research Progress of Rare-earth Activated Luminescent Materials

作　　者：杨华明[1] 欧阳静[1] 史蓉蓉[1] 张科[1] 张花[1] 

机构地区：[1]中南大学资源生物学院无机材料系,长沙410083

出　　处：《材料导报》2005年第6期1-3,7,共4页Materials Reports

基　　金：国家自然科学基金(No.50304014);湖南省科技攻关计划(No.03KGY3038)资助项目

摘　　要：稀土发光材料是一种很有发展前途的新型功能材料。介绍了稀土发光材料的性质和应用,详细阐述了高温固相、共沉淀、燃烧、气体反应、水热和微波等稀土发光材料的制备方法,探讨了稀土离子对发光材料的激活机理,并展望了该领域的发展前景。作者利用燃烧法制备出以 SrAl_2O_4为基质,稀土元素铈和铽为激活剂的光致黄色荧光发光材料,显示了其优越的发光性能。Rare-earth luminescent material is a new functional material with great potential.The properties and ap- plications of the rare-earth luminescent materials are introduced in this paper.The main preparation methods including high- temperature solid-state,chemical co-precipitation,burning technique,gas reaction,hydrothermal synthesis and microwave for rare-earth luminescent materials are summarized.The activating theories of rare-earth ions on the luminescent materials are discussed.The prospects for this field are pointed out.A new type of yellow fluorescent luminescent material(SrAl_2O_4)with Ce^(3+) and Tb^(3+) as activators,which shows excellent luminescence property,is successfully synthesized by high-temperature burning method.

关 键 词：研究进展 稀土激活 稀土发光材料 SRAL2O4 功能材料 发展前途 气体反应 制备方法 发展前景 激活机理 黄色荧光 稀土元素 发光性能 共沉淀 离子对 燃烧法 激活剂 光致 铽 铈 

分 类 号：O614.33[理学—无机化学] TQ174.79[理学—化学]