Understanding the electrochemical processes and interfacial behavior at the molecular level is beneficial to the rational design and control of the interfacial structure in order to gain optimal performance, which is not only important to electroanalysis, but also to various field of electrochemistry, including electrocatalysis, electrodeposition, corrosion and energy storage devices. We have been developing in-situ Raman spectroscopy to investigate electrochemical system with improved sensitivity, temporal and spatial resolution. Our current study is focused in the following aspects:
- Developing Raman microscopy to allow the full integration in real time with electrochemical techniques, including cyclic voltammetry, electrochemical impedance spectroscopy, ellipsometry, for studying the interfacial process related to lithium ion batteries, corrosion, electrocatalytic processes that are both important to fuel cell, water splitting and lithium ion battery.
- Developing hyphenated methods to allow the integration of Raman spectroscopy with other spatial and spectroscopic methods for real time study, borrowing the term in catalysis, the electrochemical operando spectroscopy.
- Developing strategies that may help to improve the detection sensitivity of electrochemical methods for electroanaysis, by using the unique optical and chemical properties or nanomaterials.