金铜合金纳米团簇的制备、性质及应用研究进展

Research progress in preparation,properties and applications of Au-Cu alloy nanoclusters

金属纳米团簇是一类新兴的纳米材料,它的直径为1~3 nm,通常由几个到几百个金属原子构成,具有精确的原子个数和空间结构。近几年,研究发现对金纳米团簇进行合金化能够使其产生独特的物理化学性质,超小的尺寸和可调的表面性质使金铜合金团簇(Au-Cu NCs)在催化、传感等方面表现出优良的应用前景。主要综述了近年来Au-Cu NCs的研究成果,总结Au-Cu NCs的制备方法和性质,概述其在传感、催化等领域的应用,探讨Au-Cu NCs研究中的问题,并对Au-Cu NCs的发展前景予以展望。

Metal nanocluster is a kind of new nanomaterial,whose diameter is about l~3 nm.It's usually composed of several to hundreds of metal atoms with precise atomic number and spatial structure.In recent years,it's found that alloying gold nanoclusters have unique physical and chemical properties.The ultra-small size and adjustable surface properties of Au-Cu alloy nanoclusters(Au-Cu NCs)result in their excellent application prospects in catalysis and sensing.Herein,we reviewed the research achievements of Au-Cu NCs in recent years,summarized the preparation methods and properties of Au-Cu NCs.Their applications in sensing and catalysis are summarized as well.In addition,the problems in the research of Au-Cu NCs are discussed and the development prospects of Au-Cu NCs are predicted.