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Electrochemical Tip-Enhanced Raman Spectroscopy: An In Situ Nanospectroscopy for Electrochemistry
Annual Review of Physical Chemistry ( IF 11.7 ) Pub Date : 2021-04-20 , DOI: 10.1146/annurev-physchem-061020-053442
Sheng-Chao Huang 1 , Yi-Fan Bao 1 , Si-Si Wu 1 , Teng-Xiang Huang 1 , Matthew M. Sartin 1 , Xiang Wang 1 , Bin Ren 1
Affiliation  

Revealing the intrinsic relationships between the structure, properties, and performance of the electrochemical interface is a long-term goal in the electrochemistry and surface science communities because it could facilitate the rational design of electrochemical devices. Achieving this goal requires in situ characterization techniques that provide rich chemical information and high spatial resolution. Electrochemical tip-enhanced Raman spectroscopy (EC-TERS), which provides molecular fingerprint information with nanometer-scale spatial resolution, is a promising technique for achieving this goal. Since the first demonstration of this technique in 2015, EC-TERS has been developed for characterizing various electrochemical processes at the nanoscale and molecular level. Here, we review the development of EC-TERS over the past 5 years. We discuss progress in addressing the technical challenges, including optimizing the EC-TERS setup and solving tip-related issues, and provide experimental guidelines. We also survey the important applications of EC-TERS for probing molecular protonation, molecular adsorption, electrochemical reactions, and photoelectrochemical reactions. Finally, we discuss the opportunities and challenges in the future development of this young technique.

中文翻译:


电化学尖端增强拉曼光谱:用于电化学的原位纳米光谱

揭示电化学界面的结构,性质和性能之间的内在联系是电化学和表面科学界的长期目标,因为它可以促进电化学装置的合理设计。为了实现这一目标,需要提供丰富的化学信息和高空间分辨率的原位表征技术。电化学尖端增强拉曼光谱(EC-TERS)提供具有纳米级空间分辨率的分子指纹信息,是实现该目标的一种有前途的技术。自2015年首次展示该技术以来,已开发出EC-TERS,用于表征纳米级和分子级的各种电化学过程。在这里,我们回顾了EC-TERS在过去5年中的发展。我们讨论了解决技术挑战方面的进展,包括优化EC-TERS设置和解决与笔尖相关的问题,并提供了实验指南。我们还调查了EC-TERS在探测分子质子化,分子吸附,电化学反应和光电化学反应中的重要应用。最后,我们讨论了这项年轻技术的未来发展中的机遇与挑战。

更新日期:2021-04-21
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