室温下Yb3和Er3掺杂的NaYS2粉末材料的Stocks和AntiStocks发光.pdf

,2013文章编号:1000-7032(2013)07-0824-05室温下Yb3+和Er3++,张立国,任建岳,段配华,骆永石,吕少哲(中国科学院长春光学精密机械与物理研究所,吉林长春130033)摘要:合成了NaYS2:¨,+和NaYS2:+粉末材料,通过材料的Stocks和Anti·+和Yb3+跃迁几率对激发方式的依赖特征,¨(Re¨=Yb3+或Er3+)电荷迁移态的影响,探讨了在共掺杂和单掺杂状态下Yb3+和Er3+间的能量传递和Er3+的Stocks和Anti-Stocks辐射跃迁机制。关键词:稀土:;CTS中图分类号::ADOI:.+-andEr3+-dopedNaYS2PowderMaterialsatRoomTemperatureZHANGJi—sen+,,,DUANPei·hua,LU0Yong—shi,LVShao-zhe(ChangchunInstit眦eof即妇,FineMechanicsandPhysics,ChineseAcademyofSciences,Changchun130033,China)}-mail:******@:NaYS2:+,+andNaYS2:+,-Stockslight—emittingpropertieswithEr3+,respectively,at980,+(Re3+standingforYb3+orEr3+)Oll52-Re3+chargetransferstate(CTS),theenergy-transferprocessesbetweenYb3+andEr3+basedontheenergymatchingconditionsandtheStocksandAn6一StocksemissionmechanismwithEr3+shouldbesuggestedwithschematicenergy