络合溶胶-凝胶法制备纳米级Y2O3:Ln(Eu,Dy,Sm,Tb)发光体

功能材料, 2004, 35(5): 635-637.

络合溶胶-凝胶法制备纳米级Y2O3:Ln(Eu,Dy,Sm,Tb)发光体

付晓燕 ^1, , 牛淑云 ^2, , 张洪武 ^3, , 辛勤 ^4,

1.辽宁师范大学,化学系,辽宁,大连,116029

2.辽宁师范大学,化学系,辽宁,大连,116029

3.大连化物所,辽宁,大连,116023

4.大连化物所,辽宁,大连,116023

基金项目: 国家自然科学基金(90201018)

关键词：络合溶胶-凝胶法 , 纳米材料 , 发光

The preparation of nanosized Y2O3∶Ln(Eu,Dy, Sm, Tb) using complex sol-gel technique

以PEG(聚乙二醇)2000为络合剂,采用溶胶-凝胶法制备纳米级Y2O3∶Ln(Eu、Dy、Sm、Tb).用红外光谱(IR)、扫描电镜(SEM)、X射线衍射(XRD)、荧光光谱对其进行一系列表征. 结果表明所制备的纳米发光粉体的粒径为50nm左右,分布比较均匀,同时XRD的宽化现象比较明显. 由于添加不同的激活剂,因而其激发光谱表现出明显的差异.在紫外光的激发下,文中几种粉体具有很好的发光性能.

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络合溶胶-凝胶法制备纳米级Y2O3:Ln(Eu,Dy,Sm,Tb)发光体

The preparation of nanosized Y2O3∶Ln(Eu,Dy, Sm, Tb) using complex sol-gel technique

参考文献