| Budget Amount *help |
¥18,070,000 (Direct Cost: ¥13,900,000、Indirect Cost: ¥4,170,000)
Fiscal Year 2020: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Fiscal Year 2019: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2018: ¥13,000,000 (Direct Cost: ¥10,000,000、Indirect Cost: ¥3,000,000)
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| Outline of Final Research Achievements |
The electrochemical reactions consist the multiple elementary steps, such as diffusion and adsorption/desorption. In order to understand the mechanism of the reactions, it is essential to investigate dynamical structure as well as static structure. In this study, transient potential/current and time resolved infrared spectroscopic measurements stimulated by using the pulse laser heating were performed for the water molecules in the electrical double layer formed at the Pt(111) electrode. The orientation change of interfacial water induced by local heating at the surface was investigated in real-time. Moreover, the fluctuation structure of the iodide adsorbed on the Au(111) electrode at the adsorption equilibrium was observed using X-ray photon correlation spectroscopy. The fluctuation behavior was compared with the dynamics of the vacancies in the adsorbed layer observed using scanning tunneling microscopy.
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