摘要
纳米金作为一种常见的贵金属纳米材料,具有许多优良的物理化学性质.这些特性与纳米金的微观结构、颗粒大小、形貌等有关.纳米金的结构和形貌决定性质,性质决定功能和应用.该文首先介绍了纳米金的性质和应用;并对常见的球状纳米金的合成方法进行了综述.然后,重点概述了不同功能,特殊形貌的纳米金,如棒状、管状、片状、花状、海胆状、多面体和核壳型等.分别对其合成方法和应用进行了详细概述.最后,从整体上对纳米金的合成进行了归纳总结,并对纳米金未来的发展方向进行了展望.
Abstract
As a common precious metal,Au nanoparticles(NPs)possess excellent physical and chemical properties which are related to the microstructure,morphology and size of Au NPs.The structure and morphology of Au NPs determine their properties.The function and applications depend on properties.In the review,the properties and applications of Au NPs were briefly introduced firstly,and the methods for synthesis of common spherical Au NPs were elucidated.In addition,the specific morphologies of Au NPs with different functions,including rod-shaped,tubular,lamellar,flower-shaped,sea urchin shaped,polyhedron,and core/shell were discussed.The approaches for synthesis of the Au NPs with different morphologies and their application were summarized.Finally,the fabrication of Au NPs was summarized,and the development of Au NPs in the future was prospected.