Observing Electrocatalytic Processes via In Situ Electrochemical Scanning Tunneling Microscopy: Latest Advances

Area of Science:

• Surface science
• Electrocatalysis
• Nanotechnology

Background:

• Electrocatalysis is crucial for addressing environmental and energy challenges.
• Understanding electrocatalytic processes is key to designing efficient electrocatalysts.

Purpose of the Study:

• To review the basic concepts and recent applications of Scanning Tunneling Microscopy (STM) for in situ electrocatalysis studies.
• To highlight STM's capabilities in analyzing electrocatalytic processes at the atomic level.

Main Methods:

• In situ Scanning Tunneling Microscopy (STM) for surface imaging.
• Atomic-level surface analysis of electrocatalytic reactions.

Main Results:

• STM allows for active site identification in electrocatalysis.
• STM can analyze species adsorption/desorption and surface reconstruction.
• STM is useful for detecting electrocatalyst dissolution.

Conclusions:

• STM is an invaluable technique for in situ electrocatalytic research.
• STM provides atomic-scale insights into electrocatalyst behavior and performance.
• Understanding STM's advantages and limitations is essential for its effective application.