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引用次数: 0
摘要
涉及单个纳米粒子的电化学测量引起了相当多的研究关注。近年来,为深入分析催化反应,对单实体电化学(SEE)进行了各种研究。虽然目前已开发出多种用于 H2 能源生产的电催化剂,但为此目的设计创新型电催化剂仍是一项具有挑战性的任务。随机碰撞电化学因其在 SEE 领域的新发现而日益受到关注。重要的是,它有助于通过监测瞬态信号来建立电催化剂的结构活性关系。本文回顾了最近在纳米级使用不同电催化剂进行氢进化反应(HER)和氧进化反应(OER)的相关成果。文章特别讨论了贵金属纳米颗粒(包括银、金、铂和钯纳米颗粒)在单颗粒水平上的电催化活性。由于异质性是影响纳米结构催化活性的一个关键因素,我们的研究重点是催化材料中的异质性对 OER 和 HER 活性的影响。这些结果可能有助于更好地理解水分离反应的基本过程。
Recent Trends and Perspectives in Single-Entity Electrochemistry: A Review with Focus on a Water Splitting Reaction.
Electrochemical measurements involving single nanoparticles have attracted considerable research attention. In recent years, various studies have been conducted on single-entity electrochemistry (SEE) for the in-depth analyses of catalytic reactions. Although, several electrocatalysts have been developed for H2 energy production, designing innovative electrocatalysts for this purpose remains a challenging task. Stochastic collision electrochemistry is gaining increased attention because it has led to new findings in the SEE field. Importantly, it facilitates establishing structure activity relationships for electrocatalysts by monitoring transient signals. This article reviews the recent achievements related to hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) using different electrocatalysts at the nanoscale level. In particular, it discusses the electrocatalytic activities of noble metal nanoparticles, including Ag, Au, Pt, and Pd nanoparticles, at the single-particle level. Because heterogeneity is a key factor affecting the catalytic activity of nanostructures, our work focuses on the influence of heterogeneities in catalytic materials on the OER and HER activities. These results may help to achieve a better understanding of the fundamental processes involved in the water splitting reaction.
期刊介绍:
Critical Reviews in Analytical Chemistry continues to be a dependable resource for both the expert and the student by providing in-depth, scholarly, insightful reviews of important topics within the discipline of analytical chemistry and related measurement sciences. The journal exclusively publishes review articles that illuminate the underlying science, that evaluate the field''s status by putting recent developments into proper perspective and context, and that speculate on possible future developments. A limited number of articles are of a "tutorial" format written by experts for scientists seeking introduction or clarification in a new area.
This journal serves as a forum for linking various underlying components in broad and interdisciplinary means, while maintaining balance between applied and fundamental research. Topics we are interested in receiving reviews on are the following:
· chemical analysis;
· instrumentation;
· chemometrics;
· analytical biochemistry;
· medicinal analysis;
· forensics;
· environmental sciences;
· applied physics;
· and material science.