文档介绍：第33卷第4期2012年4月发光学报CHINESEJOURNALOFLUMINESCENCEVol33No4Apr.,2012文章编号:10007032(2012)04038905MgO对Sr2SiO4∶Eu2+荧光粉发光性质的影响孙晓园1,李春杰1,贺小光1,于立军1,高允锋1,骆永石2,张家骅2(,吉林长春130032;,吉林长春130033)摘要:通过在Sr2SiO4∶Eu2+荧光粉中加入MgO,提高了Sr2SiO4∶Eu2+荧光粉的蓝光和黄光发射带的发射强度,研究了MgO浓度对Sr2SiO4∶Eu2+荧光粉发光强度的影响。,荧光粉的亮度较高,且发光颜色为白色。通过调节Sr2SiO4∶yEu2+,MgO荧光粉中Eu2+的掺杂浓度,可以调节荧光粉的发光颜色。用Sr2SiO4∶Eu2+,MgO和400nm的InGaN管芯制备的白光LED,色坐标优于α′Sr2SiO4∶Eu2+和βSr2SiO4∶Eu2+荧光粉制成的白光LED,显色指数和流明效率高于βSr2SiO4∶Eu2+和α′Sr2SiO4∶Eu2+制成的白光LED。关键词:Sr2SO4∶Eu2+;荧光粉;发光;白光LED中图分类号::ADOI:∶Eu2+PhosphorSUNXiaoyuan1,LIChunjie1,HEXiaoguang1,YULijun1,GAOYunfeng1,LUOYongshi2,ZHANGJiahua2(,ChangchunNormalUniversity,Changchun130032,China;,ChangchunInstituteofOptics,FineMechanicsandPhysics,ChineseAcademyofSciences,Changchun130033,China)CorrespondingAuthor,Email:******@Abstract:MgOdopedSr2SiO4∶Eu2+∶Eu2++emittingdiodethroughtheinte