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Atomically Precise Alloy Nanoclusters
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DOI：10.1002/chem.202001877.png)
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摘要
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Metal nanoclusters (NCs) have a particle size of about one nanometer, which makes them the smallest unit that can give a function to a substance. In addition, metal NCs possess physical and chemical properties that are different from those of the corresponding bulk metals. Metal NCs with such characteristics are expected to be important for use in nanotechnology. Research on the precise synthesis of metal NCs and elucidation of their physical/chemical properties and functions is being actively conducted. When metal NCs are alloyed, it is possible to obtain further various electronic and geometrical structures and functions. Thus, research on alloy NCs has become a hot topic in the study of metal NCs and the number of publications on alloy NCs has increased explosively in recent years. Such publications have provided much insight into the effects of alloying on the electronic structure and function of metal NCs. However, the rapid increase in knowledge has made it difficult for researchers (especially those new to the field) to grasp all of it. Therefore, in this review, we summarize the reported chemical composition, geometrical structure, electronic structure, and physical and chemical properties of Aun-xMx(SR)(m), Agn-xMx(SR)(m), Aun-xMx(PR3)(l)(SR)(m), and Agn-xMx(PR3)(l)(SR)(m) (Au= gold, Ag= silver, M= heteroatom, PR3= phosphine, and SR= thiolate) NCs. This review is expected to help researchers understand the characteristics of alloy NCs and lead to clear design guidelines to develop new alloy NCs with intended functions.
Keyword:
alloys
gold
metal nanoclusters
silver
structures
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3.7
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3.9W
被引数:
9.6W
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