置换法制备铜纳米微粒和纳米棒(英文)  

A Simple Replacement Reaction Route for Copper Nanoparticles and Nanorods Preparation

作　　者：陶小军[1] 李志伟[1] 周长华[1] 张平余[1] 张治军[1] 吴志申[1] 党鸿辛[1] 

机构地区：[1]河南大学特种功能材料重点实验室,开封475001

出　　处：《无机化学学报》2005年第5期763-766,共4页Chinese Journal of Inorganic Chemistry

基　　金：国家高技术研究发展规划(863项目)(No.2002AA302607);河南省科技攻关(No.0424270117)资助项目。

摘　　要：Copper nanoparticles and nanorods were prepared by the replacement reaction of copper 2-ethylhexoate with sodium metal in the non-aqueous solution under ultrasonic irradiation. The morphology, structure and thermal properties of the prepared samples were characterized by TEM, XRD and TGA, respectively. TEM photograph shows that the samples have two main shapes: rods and roughly spherical shape. Powder X-ray diffraction studies prove that the synthesized samples possess the same crystal structure as bulk copper. Thermal analysis reveals that the samples contain ca. 7wt% organic component. In addition, the tribological properties of the samples as an additive in lubricating oil were evaluated on a four-ball tester. The results indicate that the produced samples have relatively good antiwear properties.Copper nanoparticles and nanorods were prepared by the replacement reaction of copper 2-ethylhexoate with sodium metal in the non-aqueous solution under ultrasonic irradiation. The morphology, structure and thermal properties of the prepared samples were characterized by TEM, XRD and TGA, respectively. TEM photograph shows that the samples have two main shapes: rods and roughly spherical shape. Powder X-ray diffraction studies prove that the synthesized samples possess the same crystal structure as bulk copper. Thermal analysis reveals that the samples contain ca. 7wt% organic component. In addition, the tribological properties of the samples as an additive in lubricating oil were evaluated on a four-ball tester. The results indicate that the produced samples have relatively good antiwear properties.

关 键 词：铜纳米微粒 纳米棒 置换法 制备 

分 类 号：TB383[一般工业技术—材料科学与工程] TQ134.32[化学工程—无机化工]