用共沉淀法制备了Y2O2S：Eu^3＋，Mg^2＋，Ti^4＋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：Eu......

用高温固相法制备了不同Ti^4+掺杂量的红色长余辉材料Y2O2S：Eu^3+，Mg^2+，Ti^4+，其X射线衍射分析、发射光谱和激发光谱均不受Ti^4+掺杂......

采用硫融法合成了Y2O2S：Eu^3＋红色荧光粉。用溶胶-凝胶法在其表面包覆了一层SnO2：Sb透明导电薄膜。通过x射线衍射（XRD）、透射电镜（TEM）、......

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