形状控制的金属纳米晶体合成:考虑表面不均匀性

IF 14 2区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Trends in Chemistry Pub Date : 2023-10-01 DOI:10.1016/j.trechm.2023.08.004

Quynh N. Nguyen, Ruhui Chen, Younan Xia

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引用次数: 0

摘要

形状控制的金属纳米晶体由于其增强的催化性能、成本效益和明确的机械研究特征而引起了越来越多的兴趣。然而，这些纳米晶体的最终潜力受到其表面非均质性的限制。这篇综述深入研究了表面非均质性的复杂性，研究了它在决定原子沉积位点以及在胶体合成过程中金属纳米晶体生长模式中的作用。我们还强调了表面扩散在保持或克服表面非均质性影响方面的关键作用，以及在纳米晶体生长过程中表面结构的动态性质。了解和控制纳米晶体的表面非均质性对开发先进的催化材料至关重要。

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Shape-controlled synthesis of metal nanocrystals: mind the surface heterogeneity

Shape-controlled metal nanocrystals have attracted growing interest due to their enhanced catalytic performance, cost-efficiency, and well-defined features for mechanistic investigations. However, the ultimate potential of these nanocrystals is limited by their surface heterogeneity. This review delves into the intricacies of surface heterogeneity, examining its role in dictating the sites for atom deposition and thereby the growth pattern of metal nanocrystals during colloidal synthesis. We also highlight the critical role of surface diffusion in preserving or overriding the impacts of surface heterogeneity, alongside the dynamic nature of surface structure throughout nanocrystal growth. Understanding and controlling the surface heterogeneity of nanocrystals are essential to the development of advanced catalytic materials.

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来源期刊

Trends in Chemistry CHEMISTRY, MULTIDISCIPLINARY-

CiteScore

28.00

自引率

0.60%

发文量

138

期刊介绍： Trends in Chemistry serves as a new global platform for discussing significant and transformative concepts across all areas of chemistry. It recognizes that breakthroughs in chemistry hold the key to addressing major global challenges. The journal offers readable, multidisciplinary articles, including reviews, opinions, and short pieces, designed to keep both students and leading scientists updated on pressing issues in the field. Covering analytical, inorganic, organic, physical, and theoretical chemistry, the journal highlights major themes such as biochemistry, catalysis, environmental chemistry, materials, medicine, polymers, and supramolecular chemistry. It also welcomes articles on chemical education, health and safety, policy and public relations, and ethics and law.