Related Experiment Video
Updated: Oct 9, 2025
08:29
Thermal Measurement Techniques in Analytical Microfluidic Devices
Published on: June 3, 2015
9.8K
Microfabrication Enables Quantification of Interfacial Activity in Thermal Catalysis
Matthias S Frei1, Florentine L P Veenstra1, David Capeder1
1Institute for Chemical and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zürich, Vladimir-Prelog-Weg 1, Zürich, 8093, Switzerland.
Small Methods
|December 20, 2021
Summary
Quantifying catalyst interfaces is challenging. This study introduces a new method using microfabricated catalysts and a custom reactor to measure interfacial contributions, enabling better design of heterogeneous catalysts for various applications.
Area of Science:
- Catalysis
- Materials Science
- Chemical Engineering
Background:
- Heterogeneous catalysts often involve multiple phases requiring precise structural control for optimal performance.
- Quantifying the role of interfaces in catalytic activity is difficult due to material complexity.
- Understanding interfacial contributions is crucial for advancing catalyst design.
Purpose of the Study:
- To develop an integrated strategy for assessing interfacial contributions to catalytic activity.
- To enable accurate evaluation of catalyst performance under process-relevant conditions.
- To accelerate the rational design of multicomponent heterogeneous catalysts.
Main Methods:
- Utilizing microfabricated catalysts and a custom-designed reactor.
- Implementing an integrated strategy for catalytic activity assessment.
- Studying high-pressure continuous-flow hydrogenation of CO and CO2 over Cu-ZnO catalysts.
Main Results:
- Demonstrated a method for determining interfacial contributions to catalytic activity.
- Revealed linear correlations between methanol formation rate and the metal-oxide interface in Cu-ZnO catalysts.
- Validated the approach under process-relevant conditions.
Conclusions:
- The developed strategy effectively quantifies interfacial contributions in heterogeneous catalysis.
- Further development of nanotechnological tools is needed for model catalyst preparation.
- This approach will accelerate the rational design of advanced multicomponent catalysts.
