The chemical effect of a selenium atom on the catalytic site of precious metals

IF 7.9 2区 化学 Q1 CHEMISTRY, PHYSICAL Current Opinion in Electrochemistry Pub Date : 2024-09-25 DOI:10.1016/j.coelec.2024.101593
Luis Alberto Estudillo-Wong , Nicolas Alonso-Vante
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Abstract

Transition metal selenides constitute a family of materials used for multi-electron charge transfer reactions (e.g. hydrogen evolution reaction, oxygen reduction reaction) in which activity, selectivity, and tolerance are required. Here we review the engineering of such structures focused on the selenization process of nanoparticulate precious metals supported or not on carbon. The chemical/electrochemical process of selenization proceeding through a so-called soft chemistry route, in which each species (cationic, anionic) interacts under conditions dictated by the solvent medium, is briefly described. The electronic effect of the synthesized materials subjected to the modification effects leading to undefined and/or defined phases (via chemical coordination) of the surface of the metallic atoms is reviewed.

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硒原子对贵金属催化位点的化学效应
过渡金属硒化物是一系列用于多电子电荷转移反应(如氢进化反应、氧还原反应)的材料,这些反应对材料的活性、选择性和耐受性都有很高的要求。在此,我们将对此类结构的工程学进行回顾,重点关注碳上支持或不支持的纳米贵金属的硒化过程。硒化的化学/电化学过程通过所谓的软化学途径进行,其中每个物种(阳离子、阴离子)在溶剂介质决定的条件下相互作用。综述了合成材料的电子效应,这些电子效应受到改性效应的影响,导致金属原子表面出现未定义和/或确定的相位(通过化学配位)。
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来源期刊
Current Opinion in Electrochemistry
Current Opinion in Electrochemistry Chemistry-Analytical Chemistry
CiteScore
14.00
自引率
5.90%
发文量
272
审稿时长
73 days
期刊介绍: The development of the Current Opinion journals stemmed from the acknowledgment of the growing challenge for specialists to stay abreast of the expanding volume of information within their field. In Current Opinion in Electrochemistry, they help the reader by providing in a systematic manner: 1.The views of experts on current advances in electrochemistry in a clear and readable form. 2.Evaluations of the most interesting papers, annotated by experts, from the great wealth of original publications. In the realm of electrochemistry, the subject is divided into 12 themed sections, with each section undergoing an annual review cycle: • Bioelectrochemistry • Electrocatalysis • Electrochemical Materials and Engineering • Energy Storage: Batteries and Supercapacitors • Energy Transformation • Environmental Electrochemistry • Fundamental & Theoretical Electrochemistry • Innovative Methods in Electrochemistry • Organic & Molecular Electrochemistry • Physical & Nano-Electrochemistry • Sensors & Bio-sensors •
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