Tip-enhanced Raman spectroscopy for nanoscale probing of dynamic chemical systems
- 4 November 2020
- journal article
- research article
- Published by AIP Publishing in The Journal of Chemical Physics
- Vol. 153 (17), 170901
- https://doi.org/10.1063/5.0027917
Abstract
Dynamics are fundamental to all aspects of chemistry and play a central role in the mechanism and product distribution of a chemical reaction. All dynamic processes are influenced by the local environment, so it is of fundamental and practical value to understand the structure of the environment and the dynamics with nanoscale resolution. Most techniques for measuring dynamic processes have microscopic spatial resolution and can only measure the average behavior of a large ensemble of sites within their sampling volumes. Tip-enhanced Raman spectroscopy (TERS) is a powerful tool for overcoming this limitation due to its combination of high chemical specificity and spatial resolution that is on the nanometer scale. Adapting it for the study of dynamic systems remains a work in progress, but the increasing sophistication of TERS is making such studies more routine, and there are now growing efforts to use TERS to examine more complex processes. This Perspective aims to promote development in this area of research by highlighting recent progress in using TERS to understand reacting and dynamic systems, ranging from simple model reactions to complex processes with practical applications. We discuss the unique challenges and opportunities that TERS presents for future studies.Funding Information
- Ministry of Science and Technology of the People’s Republic of China (2016YFA0200601)
- National Natural Science Foundation of China (21633005, 21790354)
- Collaborative Innovation Center of Chemistry for Energy Materials (NA)
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