Intermetallic Nanoarchitectures for Efficient Electrocatalysis

IF 4.8 Q2 NANOSCIENCE & NANOTECHNOLOGY ACS Nanoscience Au Pub Date : 2022-11-02 DOI:10.1021/acsnanoscienceau.2c00045
Ho Young Kim, Minki Jun, Sang Hoon Joo* and Kwangyeol Lee*, 
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引用次数: 4

Abstract

Intermetallic structures whose regular atomic arrays of constituent elements present unique catalytic properties have attracted considerable attention as efficient electrocatalysts for energy conversion reactions. Further performance enhancement in intermetallic catalysts hinges on constructing catalytic surfaces possessing high activity, durability, and selectivity. In this Perspective, we introduce recent endeavors to boost the performance of intermetallic catalysts by generating nanoarchitectures, which have well-defined size, shape, and dimension. We discuss the beneficial effects of nanoarchitectures compared with simple nanoparticles in catalysis. We highlight that the nanoarchitectures have high intrinsic activity owing to their inherent structural factors, including controlled facets, surface defects, strained surfaces, nanoscale confinement effects, and a high density of active sites. We next present notable examples of intermetallic nanoarchitectures, namely, facet-controlled intermetallic nanocrystals and multidimensional nanomaterials. Finally, we suggest the future research directions of intermetallic nanoarchitectures.

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高效电催化的金属间纳米结构
其组成元素的规则原子阵列具有独特催化性能的金属间结构作为用于能量转换反应的有效电催化剂已经引起了相当大的关注。金属间催化剂性能的进一步提高取决于构建具有高活性、耐久性和选择性的催化表面。从这个角度来看,我们介绍了最近通过生成具有明确尺寸、形状和尺寸的纳米结构来提高金属间催化剂性能的努力。我们讨论了纳米结构与简单纳米颗粒相比在催化方面的有益效果。我们强调,由于其固有的结构因素,包括可控的晶面、表面缺陷、应变表面、纳米级限制效应和高密度的活性位点,纳米结构具有高的固有活性。接下来,我们将介绍金属间纳米结构的显著例子,即面控金属间纳米晶体和多维纳米材料。最后,提出了金属间纳米结构的研究方向。
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来源期刊
ACS Nanoscience Au
ACS Nanoscience Au 材料科学、纳米科学-
CiteScore
4.20
自引率
0.00%
发文量
0
期刊介绍: ACS Nanoscience Au is an open access journal that publishes original fundamental and applied research on nanoscience and nanotechnology research at the interfaces of chemistry biology medicine materials science physics and engineering.The journal publishes short letters comprehensive articles reviews and perspectives on all aspects of nanoscience and nanotechnology:synthesis assembly characterization theory modeling and simulation of nanostructures nanomaterials and nanoscale devicesdesign fabrication and applications of organic inorganic polymer hybrid and biological nanostructuresexperimental and theoretical studies of nanoscale chemical physical and biological phenomenamethods and tools for nanoscience and nanotechnologyself- and directed-assemblyzero- one- and two-dimensional materialsnanostructures and nano-engineered devices with advanced performancenanobiotechnologynanomedicine and nanotoxicologyACS Nanoscience Au also publishes original experimental and theoretical research of an applied nature that integrates knowledge in the areas of materials engineering physics bioscience and chemistry into important applications of nanomaterials.
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