Identification of electroactive sites at the surface of CCSS under reaction conditions (C04)

• Subject Area: Physical Chemistry of Solids and Surfaces, Material Characterisation ; Synthesis and Properties of Functional Materials
• Term: since 2024
• Project identifier: Deutsche Forschungsgemeinschaft (DFG) - Project number 506711657

A recently developed methodology based on electrochemical scanning tunneling microscopy will be used to identify electrocatalytically active sites at the surface of specially designed model samples relevant to CCSS. The main idea is to initially use model samples consisting of two or three different metal monolayers on top of each other where the atoms at the boundaries/steps are investigated under the hydrogen evolution and oxygen reduction reaction conditions in order to monitor their activities under reaction conditions. After demonstrating the feasibility of the model samples, CCSS surfaces will be studied. Special attention will be set to further improving the resolution in the sub-nm range.

• DFG Programme: Collaborative Research Centres
• Subproject of: SFB 1625: Atomic-scale understanding and design of multifunctional compositionally complex solid solution surfaces
• Applicant Institution: Ruhr-Universität Bochum
• Project Head: Professor Dr. Aliaksandr Bandarenka, since 1/2024