软模板技术制备银的各向异性纳米粒子  

Preparation of Anisotropic Silver Nanoparticles by Soft-template Technology

作　　者：张万忠[1] 乔学亮[2] 陈清元[1] 

机构地区：[1]南方医科大学药学院,广州510515 [2]华中科技大学材料成形与模具技术国家重点实验室,武汉430074

出　　处：《材料导报》2008年第9期80-82,90,共4页Materials Reports

基　　金：教育部高校博士点基金资助项目(20050487011)

摘　　要：纳米银的光学、电学和催化活性与粒子的粒径、形貌和结构之间存在着强烈的依赖关系,研究各向异性银纳米材料的形成具有重要意义。结合软模板技术在各向异性银纳米材料制备方面的研究成果,着重讨论了银纳米棒和纳米线的制备方法和形成机理,概述了树枝状纳米银、纳米银片(盘)、纳米银立方体和三棱柱的研究进展,指出利用软模板技术可合成各种形貌的纳米银粒子,并指出了此类材料在研究中存在的不足,展望了其发展趋势。It is very important to control the size, shape, and structure of silver nanoparticles due to the strong correlation between the parameters and the optical, electrical, and catalytic properties. Based on the research results of the soft-template technology in controlled synthesis of anisotropic silver nanoparticles, the focus is especially placed on the preparation method and formation mechanism of one-dimensional silver nanoparticles, i. e. , silver nanorods and nanowires. The study progress in silver dendrites, silver nanodisks, silver nanocubes and silver nanoprisms is also summarized. It is thought that silver nanoparticles with different morphologies can be fabricated by the soft-template technology. The method is simple and convenient to prepare anisotropic silver nanoparticles and the resultant particles do not need the post-treatment. At last, the shortages in the fabrication process of silver anisotropic nanomaterials are analyzed and the developing trends of the synthetic technique in the preparation of the anisotropic nanomaterials are prospected.

关 键 词：纳米银 各向异性纳米粒子 软模板 制备 

分 类 号：TB383[一般工业技术—材料科学与工程] O343.8[理学—固体力学]