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Updated: Oct 19, 2025
Multiscale Sampling of a Heterogeneous Water/Metal Catalyst Interface using Density Functional Theory and Force-Field Molecular Dynamics
Published on: April 12, 2019
Influence of solvent structure and hydrogen bonding on catalysis at solid-liquid interfaces
David S Potts1, Daniel T Bregante1, Jason S Adams1
1Department of Chemical and Biomolecular Engineering, University of Illinois at Urbana-Champaign, Urbana, IL 61801, USA. dwflhrty@illinois.edu.
Solvent interactions significantly impact catalytic reaction rates and selectivity. Understanding these molecular interactions is crucial for designing efficient catalytic processes, especially for renewable energy and feedstock conversion.
Area of Science:
- Chemistry
- Chemical Engineering
- Materials Science
Background:
- Solvent molecules play a critical role in chemical reactions, influencing reaction kinetics and outcomes.
- These interactions are particularly important in heterogeneous catalysis, affecting processes relevant to sustainable chemistry.
Purpose of the Study:
- To quantitatively assess the impact of solvent interactions on catalytic reaction rates and selectivities.
- To elucidate the mechanisms by which solvents influence catalysis at the molecular level.
Main Methods:
- Derivation of a rate expression for a generic catalytic reaction (A → B) to quantify solvent effects.
- Analysis of recent studies on solvent-catalyst interactions at solid-liquid interfaces.
Main Results:
- Solvent interactions, including solvation and competitive binding, can alter reaction rates and selectivities by orders of magnitude.
- A derived rate expression demonstrates the functional dependence of catalytic rates on various solvent interaction categories.
Conclusions:
- A comprehensive understanding of solvent-molecule interactions is essential for optimizing liquid-phase catalytic processes.
- These insights are vital for developing efficient catalysts for renewable feedstock conversion and sustainable chemical manufacturing.
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