In Situ Surface-Enhanced Raman Spectroscopy Characterization of Electrocatalysis with Different Nanostructures.

IF 11.7 1区化学 Q1 CHEMISTRY, PHYSICAL

Annual review of physical chemistry Pub Date : 2021-04-20 Epub Date: 2021-01-20 DOI:10.1146/annurev-physchem-090519-034645

Bao-Ying Wen, Qing-Qi Chen, Petar M Radjenovic, Jin-Chao Dong, Zhong-Qun Tian, Jian-Feng Li

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引用次数: 20

Abstract

As energy demands increase, electrocatalysis serves as a vital tool in energy conversion. Elucidating electrocatalytic mechanisms using in situ spectroscopic characterization techniques can provide experimental guidance for preparing high-efficiency electrocatalysts. Surface-enhanced Raman spectroscopy (SERS) can provide rich spectral information for ultratrace surface species and is extremely well suited to studying their activity. To improve the material and morphological universalities, researchers have employed different kinds of nanostructures that have played important roles in the development of SERS technologies. Different strategies, such as so-called borrowing enhancement from shell-isolated modes and shell-isolated nanoparticle-enhanced Raman spectroscopy (SHINERS)-satellite structures, have been proposed to obtain highly effective Raman enhancement, and these methods make it possible to apply SERS to various electrocatalytic systems. Here, we discuss the development of SERS technology, focusing on its applications in different electrocatalytic reactions (such as oxygen reduction reactions) and at different nanostructure surfaces, and give a brief outlook on its development.

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不同纳米结构电催化的原位表面增强拉曼光谱表征。

随着能源需求的增加，电催化成为能源转化的重要手段。利用原位光谱表征技术阐明电催化机理，可以为制备高效电催化剂提供实验指导。表面增强拉曼光谱(SERS)可以为超痕量表面物质提供丰富的光谱信息，非常适合研究其活性。为了提高材料和形态的通用性，研究人员采用了不同种类的纳米结构，这些纳米结构在SERS技术的发展中发挥了重要作用。为了获得高效的拉曼增强，已经提出了不同的策略，例如所谓的从壳隔离模式借用增强和壳隔离纳米粒子增强拉曼光谱(SHINERS)卫星结构，这些方法使得将SERS应用于各种电催化体系成为可能。本文讨论了SERS技术的发展，重点介绍了其在不同电催化反应(如氧还原反应)和不同纳米结构表面上的应用，并对其发展进行了简要展望。

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来源期刊

Annual review of physical chemistry 化学-物理化学

CiteScore

28.00

自引率

0.00%

发文量

期刊介绍： The Annual Review of Physical Chemistry has been published since 1950 and is a comprehensive resource for significant advancements in the field. It encompasses various sub-disciplines such as biophysical chemistry, chemical kinetics, colloids, electrochemistry, geochemistry and cosmochemistry, chemistry of the atmosphere and climate, laser chemistry and ultrafast processes, the liquid state, magnetic resonance, physical organic chemistry, polymers and macromolecules, and others.