MXenes: New Horizons in Catalysis,ACS Catalysis

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MXenes: New Horizons in Catalysis
ACS Catalysis ( IF 11.3 ) Pub Date : 2020-11-04 , DOI: 10.1021/acscatal.0c03106
Ángel Morales-García ₁ , Federico Calle-Vallejo ₁ , Francesc Illas ₁

Affiliation

Two-dimensional transition-metal carbides and nitrides, known as MXenes, have garnered increasing attention for nearly a decade by virtue of their versatile composition and structure, stability under certain conditions of interest in (electro)catalysis, and numerous appealing properties. Given the abundance of their components, large surface area and high laboratory-scale activities, MXenes are promising catalysts and supports for several heterogeneous catalytic and electrocatalytic reactions. This Perspective briefly summarizes the most relevant (electro)catalytic processes where MXenes hold promise as competitive alternatives to traditional Pt-group catalysts. We discuss how the interplay of metal elements with carbon, nitrogen, and various surface terminations modulates the catalytic activity of MXenes. In particular, we analyze the connection between experimental and simulated MXene structures and discuss the differences with bulk carbide extended surfaces. The great advances in synthesis routes and upscaling, in combination with realistic computational models, may give MXenes a leading role in the current quest for efficient catalytic processes.

中文翻译：

MXenes：催化的新视野

二维过渡金属碳化物和氮化物（称为MXene）由于其通用的组成和结构，在（电）催化作用下感兴趣的某些条件下的稳定性以及众多吸引人的特性而受到越来越多的关注。鉴于其成分丰富，表面积大和实验室规模大的活动，MXenes是有前途的催化剂和多种异质催化和电催化反应的载体。该观点简要总结了最相关的（电）催化工艺，其中MXenes有望替代传统的Pt基催化剂。我们讨论了金属元素与碳，氮和各种表面终端的相互作用如何调节MXene的催化活性。尤其是，我们分析了实验和模拟MXene结构之间的联系，并讨论了与整体碳化物扩展表面的区别。合成路线和升级规模的巨大进步，再加上现实的计算模型，可能会使MXenes在当前对高效催化过程的追求中发挥主导作用。

更新日期：2020-11-21

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