采用溶剂热-高温固相法,合成了纳米晶Y2O2S∶Eu3+,Mg2+,Ti4+红色长余辉发光材料.通过XRD、TEM、荧光光谱对其进行表征.X射线衍射测试表明所制备的Y2O2S∶Eu3+,Mg2+,Ti4+纳米材料为单相,六方晶.透射电子显微镜(TEM)测试表明所制备的Y2O2S∶Eu3+,Mg2+,Ti4+纳米材料粒径小,分布集中.激发和发射光谱测试表明Eu3+离子能有效地掺入硫氧化钇基质中,并具有良好的发光性能.余辉测试表明其余辉颜色为红色,具有良好的余辉效果.
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