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Heterogeneous Catalysis

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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Related Experiment Video

Updated: May 5, 2026

Synthesis of Single-Crystalline Core-Shell Metal-Organic Frameworks

Synthesis of Single-Crystalline Core-Shell Metal-Organic Frameworks

Published on: February 10, 2023

Au@carbon yolk-shell nanostructures via one-step core-shell-shell template.

Rui Liu¹, Fengli Qu, Yunlong Guo

¹Department of Chemical and Biological Engineering, Princeton University, Princeton, New Jersey 08544, USA. rpriestl@princeton.edu.

Chemical Communications (Cambridge, England)

|November 23, 2013

Summary

Researchers developed a simple method to create gold-carbon yolk-shell nanostructures. These novel nanostructures show excellent catalytic activity in chemical reactions.

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Area of Science:

Materials Science
Nanotechnology
Catalysis

Background:

Core-shell nanostructures are crucial for advanced material applications.
Developing efficient synthesis methods for complex nanostructures remains a challenge.

Purpose of the Study:

To report a facile one-step Stöber route for synthesizing core-shell-shell templates.
To fabricate gold-carbon yolk-shell nanostructures using these templates.
To evaluate the catalytic performance of the resulting nanostructures.

Main Methods:

Utilized a one-step Stöber synthesis for core-shell-shell template fabrication.
Fabricated gold-carbon yolk-shell nanostructures through conversion.
Assessed catalytic activity via the reduction of o-nitrophenol.

Main Results:

Successfully synthesized high-quality core-shell-shell templates.
Produced Au@carbon yolk-shell nanostructures.
Demonstrated high catalytic performance in the reduction of o-nitrophenol.

Conclusions:

The one-step Stöber route is effective for creating advanced yolk-shell nanostructures.
Au@carbon yolk-shell nanostructures show significant potential as catalysts.