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Alloy Clusters: Precise Synthesis and Mixing Effects
Accounts of Chemical Research ( IF 18.3 ) Pub Date : 2018-11-21 00:00:00 , DOI: 10.1021/acs.accounts.8b00453
Sakiat Hossain 1 , Yoshiki Niihori 1 , Lakshmi V. Nair 1 , Bharat Kumar 1 , Wataru Kurashige 1 , Yuichi Negishi 1
Affiliation  

Metal alloys exhibit functionalities unlike those of single metals. Such alloying has drawn considerable research interest, particularly for nanoscale particles (metal clusters/nanoparticles), from the viewpoint of creating new functional nanomaterials. In gas phase cluster research, generated alloy clusters can be spatially separated with atomic precision in vacuum. Thus, the influences of increases or decreases in each element on the overall electronic structure of the cluster can be elucidated. However, to further understand the related mixing and synergistic effects, alloy clusters need to be produced on a large scale and characterized by various techniques. Because alloy clusters protected by thiolate (SR) can be synthesized by chemical methods and are stable in both solution and the solid state, these clusters are ideal study materials to better understand the mixing and synergistic effects. Moreover, the alloy clusters thus created have potential applications as functional materials. Therefore, since 2008, we have been working on establishing a precise synthesis method for SR-protected alloy clusters and elucidating their mixing and synergistic effects.

中文翻译:

合金团簇:精确的合成和混合效果

金属合金具有不同于单一金属的功能。从产生新的功能纳米材料的角度来看,这种合金化引起了相当大的研究兴趣,特别是对于纳米级颗粒(金属团簇/纳米颗粒)。在气相团簇研究中,可以在真空中以原子精度在空间上分离生成的合金团簇。因此,可以阐明每个元素的增加或减少对群集的整个电子结构的影响。然而,为了进一步理解相关的混合和协同作用,需要大规模生产合金团簇并通过各种技术对其进行表征。由于受硫醇盐(SR)保护的合金团簇可以通过化学方法合成,并且在溶液和固态下均稳定,这些类是理想的学习材料,可以更好地理解混合和协同效应。此外,由此产生的合金簇具有作为​​功能材料的潜在应用。因此,自2008年以来,我们一直在为SR保护的合金团簇建立精确的合成方法,并阐明它们的混合和协同效应。
更新日期:2018-11-21
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