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Issue:
Up-converting Phosphor Material Surface Modified by Amidocyanogen
Author(s):
DING Xiao-ying
,
FAN Hui-li
,
XU Xiao-wei
,
ZHENG Yan-jun
Pages:
495
-
498
Year:
2006
Issue:
4
Journal:
CHINESE JOURNAL OF LUMINESCENCE
Keyword:
表面修饰
;
上转换荧光材料
;
氨基
;
Abstract:
采用液相包覆沉积法对上转换无机荧光材料表面进行氨基修饰.在一定温度和催化剂作用下,用异丙醇作溶剂,3-氨丙基三乙氧基硅烷作为修饰剂对上转换无机荧光材料进行表面修饰.红外光谱证明了氨基的存在,热分析表明修饰氨基前后材料有不同的热失重过程,扫描电镜显示修饰氨基前后材料表面形貌的不同,沉降实验说明修饰氨基后的上转换无机荧光材料在水溶液中的分散性和稳定性都得到了提高.荧光测试发现修饰氨基前后材料发射的发光性质没有很大差异.实验表明在上转换无机荧光材料表面成功地进行了氨基修饰.
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