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Related Concept Videos

Catalysis02:50

Catalysis

The presence of a catalyst affects the rate of a chemical reaction. A catalyst is a substance that can increase the reaction rate without being consumed during the process. A basic comprehension of a catalysts’ role during chemical reactions can be understood from the concept of reaction mechanisms and energy diagrams.
Heterogeneous Catalysis01:22

Heterogeneous Catalysis

Heterogeneous catalysis involves a catalyst in a different phase from the reactants. It is a process where the catalyst and the reactants are in distinct phases, typically solid and gas or liquid.Most heterogeneous catalysts are metals, metal oxides, or acids. The list includes transition metals like iron (Fe), cobalt (Co), nickel (Ni), palladium (Pd), platinum (Pt), chromium (Cr), manganese (Mn), tungsten (W), silver (Ag), and copper (Cu). These metals possess partially vacant d orbitals that...

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Extending Droplet-Based Microfluidic Tools to Single-Atom Heterogeneous Catalysis.

Thomas Moragues1

  • 1Institute of Chemical and Bioengineering, Department of Chemistry and Applied Biosciences, ETH Zurich, CH-8093 Zürich. thomas.moragues@chem.ethz.ch.

Chimia
|April 27, 2024
PubMed
Summary

Droplet-based microfluidics can accelerate the development of single-atom heterogeneous catalysts (SACs) by enabling systematic fabrication and operando characterization for sustainable chemistry.

Keywords:
Droplet-based microfluidicsHigh-throughput synthesisOperando characterizationSingle-atom heterogeneous catalystX-ray absorption spectroscopy

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Area of Science:

  • Catalysis
  • Materials Science
  • Chemical Engineering

Background:

  • Single-atom heterogeneous catalysts (SACs) show promise for sustainable energy and organic synthesis.
  • Development is hindered by limited design guidelines and mechanistic understanding.
  • Lack of advanced discovery and operando characterization tools is a key barrier.

Purpose of the Study:

  • To explore the potential of droplet-based microfluidic technologies for SAC development.
  • To address challenges in SAC fabrication and mechanistic studies.
  • To provide technical insights for microfluidic platform design.

Main Methods:

  • Utilizing droplet-based microfluidics for systematic fabrication of SACs.
  • Employing microfluidic platforms for operando characterization under reaction conditions.
  • Focusing on liquid-phase organic synthesis applications.

Main Results:

  • Microfluidic approaches offer a pathway to overcome current limitations in SAC design and understanding.
  • Systematic fabrication and in-situ analysis are facilitated by droplet technology.
  • Potential for accelerated discovery and optimization of SACs.

Conclusions:

  • Droplet-based microfluidics presents a viable solution for advancing SAC research.
  • This technology can enable rational design and mechanistic insights for sustainable catalysis.
  • Further development of microfluidic platforms is crucial for broader SAC implementation.