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Magnetometric Characterization of Intermediates in the Solid-State Electrochemistry of Redox-Active Metal-Organic Frameworks
Published on: June 9, 2023
Temperature-induced ordering of metal/adsorbate structures at electrochemical interfaces
Christopher A Lucas1, Paul Thompson, Michael Cormack
1Oliver Lodge Laboratory, Department of Physics, University of Liverpool, Liverpool, L69 7ZE, United Kingdom. clucas@liv.ac.uk
Journal of the American Chemical Society
|June 4, 2009
Summary
Temperature influences atomic structure at electrochemical interfaces. It controls reaction kinetics, especially for oxygenated species, impacting structure-function relationships in electrochemical systems.
Area of Science:
- Electrochemistry
- Surface Science
- Materials Science
Background:
- Understanding the atomic structure of electrochemical interfaces is crucial for designing efficient electrochemical systems.
- Temperature is a key variable that can influence reaction kinetics and surface phenomena.
Purpose of the Study:
- To investigate the influence of temperature on the atomic structure at electrochemical interfaces.
- To study potential-dependent surface restructuring and anion adsorption on Au(100).
- To examine CO adsorption and oxidation on Pt(111) under varying conditions.
Main Methods:
- In situ surface X-ray scattering (SXS) combined with cyclic voltammetry.
- Analysis of Au(100) surface reconstruction and bromide anion adsorption.
- Investigation of CO adsorption and oxidation on Pt(111) in HClO(4) with and without anions.
Main Results:
- Observed potential-dependent surface reconstruction of Au(100).
- Characterized adsorption and ordering of bromide anions on Au(100).
- Identified temperature's role in controlling kinetics of oxygenated species reactions, including hydroxyl adsorption and oxide formation.
Conclusions:
- Temperature significantly affects the kinetics of surface reactions involving oxygenated species.
- Structure-function relationships in electrochemical systems are temperature-dependent.
- Consideration of temperature effects is essential for understanding and optimizing electrochemical processes.
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