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燃烧法表面处理的SrAl_2O_4∶Eu~(2+),Dy~(3+)长余辉发光材料
  • 期刊名称：发光学报
  • 时间：2011.9.9
  • 页码：864-868
  • 分类：O482.31[理学—固体物理;理学—物理]
  • 作者机构：[1]暨南大学化学系纳米化学研究所,广东广州510632
  • 相关基金：国家自然科学基金（21071063,50872045）资助项目
  • 相关项目：长余辉发光材料的表面修饰
作者： 阳区|刘应亮|沙磊|余彩霞|雷炳富|
关键词： 长余辉, SrAl2O4∶Eu2+, Dy3+, 燃烧法, 表面处理, long afterglow, SrAl2O4∶Eu2＋, Dy3＋, combustion method, surface treatment
中文摘要：

SrAl2O4∶Eu2＋,Dy3＋长余辉发光材料因耐水性差而使其应用受到极大限制。利用快速燃烧法对SrAl2O4∶Eu2＋,Dy3＋长余辉发光材料进行表面处理,以X射线粉末衍射、X射线光电子能谱、扫描电镜及荧光光谱等对表面处理前后SrAl2O4∶Eu2＋,Dy3＋长余辉发光材料进行表征。实验结果表明：经燃烧法表面处理后的SrAl2O4∶Eu2＋,Dy3＋长余辉发光材料表面获得了完整而致密的耐水性物质层,可有效提高材料耐水性能。

英文摘要：

Owing to its poor water resistance,the application of SrAl2O4∶Eu2＋,Dy3＋ phosphors is limited seriously.In this paper,a rapid combustion method was introduced into the surface treatment of SrAl2O4∶Eu2＋,Dy3＋ phosphors.X-ray diffraction,X-ray photoelectron spectroscopy,scanning electron microscopy,photoluminescence spectrophotometry and pH measurements were employed to characterize the treated and untreated phosphors.Experimental results showed that a compact layer was coated on the surface of SrAl2O4∶Eu2＋,Dy3＋ phosphors,which effectively improved the water resistance of phosphors.

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长余辉发光材料的表面修饰
期刊论文 19 会议论文 4
纳米长余辉发光材料的制备与性能研究
期刊论文 38 会议论文 2 专利 3
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