超声辐射法制备银纳米微粒

被引:3
作者
陶小军
李志伟
周长华
张治军
吴志申
党鸿辛
机构
[1] 河南大学特种功能材料重点实验室
[2] 河南大学特种功能材料重点实验室 河南开封
[3] 河南开封
关键词
超声辐射; 银纳米微粒; 表面修饰; 金属钠;
D O I
10.14002/j.hxya.2005.03.012
中图分类号
O614.122 [银Ag];
学科分类号
070301 ; 081704 ;
摘要
在有机介质十氢化萘中,以金属钠、硝酸银和油酸钠为起始原料,通过超声辐射使金属钠和硝酸银发生置换反应,成功制备了油酸表面修饰的Ag纳米微粒.采用透射电子显微镜、X射线粉末衍射仪和热分析仪对其形貌、结构和性能进行了表征.透射电镜和X射线粉末衍射研究表明:所制备的油酸表面修饰Ag纳米微粒粒径较小,平均尺寸为10 nm,分布均匀,无团聚现象,且具有面心立方晶型结构.热分析结果表明:所制备的样品含有约9.7%的有机物,并具有良好的热稳定性能.
引用
收藏
页码:41 / 43
页数:3
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