发光学报
髮光學報
발광학보
CHINESE JOURNAL OF LUMINESCENCE
2006年
6期
887-890
,共4页
稀土%紫外激发%发光
稀土%紫外激髮%髮光
희토%자외격발%발광
rare earth%UV excitation%luminescence
合成了系列2(Ba1-xSrxO) (1-y)P2O5·yB2O3∶Eu2+样品,研究了样品在长波紫外区域的激发光谱和发射光谱.从激发谱可以看出:2(BaO)(1-y)P2O5·yB2O3∶Eu2+在300～380 nm附近区域有很强的吸收带,在380 nm 紫外光激发下,2(BaO)·(1-y)P2O5·yB2O3∶Eu2+的发射带位于400～430 nm;在2(Ba1-xSrxO)-(1-y)P2O5·yB2O3∶Eu2+的系列样品中,当x＞0.2时,随着x的增大,基质晶格在330～380 nm吸收带整体向低能方向移动了40 nm;在147 nm 激发下的发射谱是主峰值位于478 nm的蓝绿光发射.
閤成瞭繫列2(Ba1-xSrxO) (1-y)P2O5·yB2O3∶Eu2+樣品,研究瞭樣品在長波紫外區域的激髮光譜和髮射光譜.從激髮譜可以看齣:2(BaO)(1-y)P2O5·yB2O3∶Eu2+在300～380 nm附近區域有很彊的吸收帶,在380 nm 紫外光激髮下,2(BaO)·(1-y)P2O5·yB2O3∶Eu2+的髮射帶位于400～430 nm;在2(Ba1-xSrxO)-(1-y)P2O5·yB2O3∶Eu2+的繫列樣品中,噹x＞0.2時,隨著x的增大,基質晶格在330～380 nm吸收帶整體嚮低能方嚮移動瞭40 nm;在147 nm 激髮下的髮射譜是主峰值位于478 nm的藍綠光髮射.
합성료계렬2(Ba1-xSrxO) (1-y)P2O5·yB2O3∶Eu2+양품,연구료양품재장파자외구역적격발광보화발사광보.종격발보가이간출:2(BaO)(1-y)P2O5·yB2O3∶Eu2+재300～380 nm부근구역유흔강적흡수대,재380 nm 자외광격발하,2(BaO)·(1-y)P2O5·yB2O3∶Eu2+적발사대위우400～430 nm;재2(Ba1-xSrxO)-(1-y)P2O5·yB2O3∶Eu2+적계렬양품중,당x＞0.2시,수착x적증대,기질정격재330～380 nm흡수대정체향저능방향이동료40 nm;재147 nm 격발하적발사보시주봉치위우478 nm적람록광발사.
A series of phosphor samples of 2(Ba1-xSrxO) (1-y)P2O5·yB2O3∶Eu2+(0≤x≤1, 0＜ y＜0.2) have been synthesized and studied. The excitation spectrum measurement showed that the absorption of the 2(BaO)·(1-y)P2O5·yB2O3∶Eu2+ is located from 300 nm to 380 nm and the emission band locates at about 400～430 nm(0＜x＜0.16). The band of the host absorption (300～380 nm) moves about 40 nm to lower energy region and emission spectra shows a strongest emission peak at 478 nm as Sr2+ replaces Ba2+ partially(x＞0.16) in the 2(Ba1-x-SrxO) (1-y)P2O5·yB2O3∶Eu2+.
