碱金属和三价Eu离子共掺杂的碱土钼酸盐荧光粉发光性能_英文_.pdf

36 5 人 工 晶 体 学 报 V o.l 36 N o. 5 2007 10 JOURNAL O F SYNTH ET IC CRYSTALS O ctobe r 2007 LuminescentProperties ofAlkaliMetal Ion and TrivalentEuropium Ion Coactivated AlkalineEarthMolybdatePhosphors 1 1 1 1 1 LI Xu , YANG Zh ip ing , GUAN L i, GUO Q ing lin , LI Panlai, 1 2 H UAI Suf ang , LIU Chong ( 1. College of P hy sics S cien ce and T echnology H ebei U n iv ersity B aod ing 07 1002 Ch ina; 2. C ollege of G radu ate H ebei U n iv ersity B aod ing 07 1002 Ch ina) (R eceive 18M arch 2007) 3+ + + + Abstract: A ser ies of triva lent europ ium ion s ( Eu ) and alka li m etal ion s ( L i N a K ) co activated m o lybdate phosphorAM oO ( A = C a Sr) w as fabricated by so lidstate reaction wh ich cou ld be 4 u sed as supplem entary lighting m a terial for wh ite light em itting diodes ( LED s) . X ray diffraction ( XRD ) pattern s show th at the lattice param eters decrease and the diffraction intensity rem arkably increase w hen 3 + + Eu and N a ion s are dop ed into the phosphor. T he excitation and em ission sp ectra o f samp les are invest igated. T