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Determination of Thermodynamic Properties of Alkaline Earth-liquid Metal Alloys Using the Electromotive Force Technique
Published on: November 3, 2017
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Exploring electrolyte effects on metal-alkyl bond stability: impact and implications for electrosynthesis
Dylan G Boucher1, Zachary A Nguyen1, Shelley D Minteer1
1Department of Chemistry, University of Utah, Salt Lake City, UT, USA. minteer@chem.utah.edu.
Faraday Discussions
|July 25, 2023
Summary
Supporting electrolytes significantly impact metal-carbon bond stability in electrocatalysis. This study reveals how electrolyte properties influence metal-alkyl intermediates in cobalt and iron-catalyzed reactions.
Area of Science:
- Organometallic Chemistry
- Electrocatalysis
- Catalysis
Background:
- Transition metal catalysis relies on metal-carbon bond formation and stability.
- Electrosynthesis introduces charged species and electrochemical reactivity to catalytic cycles.
- Understanding metal-alkyl bonds in electrocatalysis is crucial for reaction control.
Purpose of the Study:
- To investigate the impact of supporting electrolytes on homogeneous electrocatalytic mechanisms.
- To explore the role of electrolyte properties on metal-alkyl intermediate stability.
- To provide insights for designing electrosynthetic reactions and functional electrolytes.
Main Methods:
- Utilized a model reaction: catalytic reduction of benzyl chlorides using Cobalt (Co) and Iron (Fe) tetraphenylporphyrins.
- Employed electrosynthetic methodologies to study catalytic cycles.
- Analyzed the influence of supporting electrolyte properties, specifically hydrodynamic radius, on reaction intermediates.
Main Results:
- Confirmed that the catalytic reduction proceeds via metal-alkyl intermediates for both Co and Fe systems.
- Demonstrated that the stability of these metal-alkyl intermediates is influenced by the hydrodynamic radius of the supporting electrolyte.
- Observed differences in electrolyte-solvent shells due to varying electrolyte properties.
Conclusions:
- Supporting electrolyte properties, particularly hydrodynamic radius, critically affect metal-alkyl intermediate stability in electrocatalysis.
- Electrolyte-solvent shell interactions play a key role in modulating reactivity.
- Findings offer a basis for the rational design of supporting electrolytes in electrosynthesis.
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