Abstract

Surface-specific vibrational spectroscopy is recognized as a powerful tool for in-situ observation of electrode/electrolyte interfaces. However, terahertz (THz) or far-infrared (FIR) absorption spectroscopy is hardly applicable to in-situ observation of such “buried” interfaces, especially for detecting low frequency extramolecular vibrations including rich information on electrode/molecule interactions. On the other hand, surface enhanced Raman scattering (SERS) spectroscopy has a potential advantage in detecting such low frequency vibration modes even under electrochemical conditions.

© 2018 The Japan Society of Applied Physics