[2A06-13] Surface Science / Chemical Property (SS2)

5:00 PM - 5:15 PM JST(8:00 AM - 8:15 AM UTC)

[2A13] In-situ spectroscopy of the electrochemical reaction at solid-liquid interfaces using the dip-pull method

*Takanori Koitaya¹, Momone Tanaka¹, Gen Azuma¹, Hiroki Yasumura¹, Yasumasa Takagi², Naoki Nagatsuka¹, Kazuya Watanabe¹, Kohei Yamamoto³, Naoya Kurahashi³, Naoyuki Maejima⁴, Toshihiko Yokoyama⁵ (1. Graduate School of Science, Kyoto university (Japan), 2. Japan Synchrotron Radiation Research Institute (Japan), 3. National Institutes for Quantum Science and Technology (Japan), 4. College of Science and Engineering, Ritsumeikan University (Japan), 5. Institute for Molecular Science (Japan))

Selective probing of the interfacial electric double layer at the nanometer scale is crucial in electrochemistry. It provides important insights into the surface oxidation states of electrodes, the chemical states of adsorbed reaction intermediates, and the chemical states of ions at the interface. In this study, we performed in situ infrared reflection-absorption spectroscopy (IRAS) and ambient-pressure photoelectron spectroscopy (AP-XPS) measurements of the solid–liquid interface using the dip-pull method. A thin electrolyte film, tens of nanometers thick, formed on the electrode surface, followed by in situ experiments that enabled real-time observation of the electrochemical reactions.

Password required to view