用高温固相法制备了不同Ti4+掺杂量的红色长余辉材料Y2O2S:Eu3+,Mg2+,Ti4+,其X射线衍射分析、发射光谱和激发光谱均不受Ti4+掺杂量......

用共沉淀法制备了Y2O2S:Eu3+,Mg2+,Ti4+红色长余辉材料.测量了材料的电子显微形貌、晶体结构和发射光谱.通过与固相法制备的Y2O2S:......

As an Hg-free lamp using phosphor,the Bi3+ and Eu3+ co-doped Y2O2S phosphors were prepared and their luminescence proper......