Nitrogen-induced enhancement of luminescence of blue-emitting Sr2MgSi2O7:Eu^2+ phosphors for light-emitting diodes

在线阅读 下载PDF 导出详情
摘要 Thenear-ultraviolet(n-UV)excitedblue-emittingSr2MgSi2O7:Eu2+phosphorsareusedforfluorescencelampandtricolorwhiteLEDs.Theeffectofnitrogen-dopedonthestructureofthehostandtheenhancementofphotoluminescenceisexperimentallyinvestigated.Theresultsshowthatastheamountofnitrogen-dopedvariesfrom0to0.6(at.),theluminousintensityisfoundtobeincreasedto169%,andthepartialreplacementofObyNresultsinachangeofthecrystalfieldbymodifyingthesymmetryofthecrystalstructure.Asaresult,withthenitrogen-dopedinsmallamount,theluminousintensity,chromaticitycoordinatesandthecolorpuritycanbeadjustedtoadesiredvalueintheapplications.
机构地区 不详
出版日期 2010年01月11日(中国Betway体育网页登陆平台首次上网日期,不代表论文的发表时间)
  • 相关文献
Baidu
map