A study of the electrode/solution interface during electrochemical reactions by digital holography

Abstract

Digital holography was used to study in situ the dynamic changes of the electrode/solution interface and the solution near the electrode during the anodic process of iron in a sulfuric acid solution. The effects of chloride, bromide and iodine ions on this process were also investigated. The magnetic field also has effects on the process. The effects are discussed in combination with SEM results.

Keywords

• digital holography
• electrochemical reactions
• magnetic field
• halide ions