Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

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...
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.
Catalysis01:27

Catalysis

Catalysis influences the rate of chemical reactions by providing an alternative reaction pathway with lower activation energy. A catalyst speeds up a reaction, but it is not consumed during the process. The fundamental principle of catalysis is the ability of a catalyst to alter the reaction mechanism, often introducing a more efficient pathway than the uncatalyzed process.In a catalyzed reaction, the catalyst participates directly in the reaction mechanism. It interacts with reactants to form...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

The novel triglyceride‒glucose-weighted adjusted waist index as a supplementary diagnostic tool for heart failure: evidence of improved reclassification beyond traditional TyG-related indices from a cross-sectional study.

Cardiovascular diabetology·2025
Same author

In situ construction of robust artificial solid-electrolyte interphase layer on lithium-metal anode by a facile one-step solution route.

Journal of colloid and interface science·2024
Same author

Oxophilic Ce single atoms-triggered active sites reverse for superior alkaline hydrogen evolution.

Nature communications·2024
Same author

Engineering Molecular Heterostructured Catalyst for Oxygen Reduction Reaction.

Journal of the American Chemical Society·2023
Same author

Atomically dispersed Au<sub>1</sub> catalyst towards efficient electrochemical synthesis of ammonia.

Science bulletin·2023
Same author

High Durability of Fe-N-C Single-Atom Catalysts with Carbon Vacancies toward the Oxygen Reduction Reaction in Alkaline Media.

Advanced materials (Deerfield Beach, Fla.)·2023

Related Experiment Video

Updated: May 27, 2026

In Situ SIMS and IR Spectroscopy of Well-defined Surfaces Prepared by Soft Landing of Mass-selected Ions
10:22

In Situ SIMS and IR Spectroscopy of Well-defined Surfaces Prepared by Soft Landing of Mass-selected Ions

Published on: June 16, 2014

Catalysis based on nanocrystals with well-defined facets.

Kebin Zhou1, Yadong Li

  • 1College of Chemistry and Chemical Engineering, Graduate University of Chinese Academy of Sciences, Beijing 100049, PR China.

Angewandte Chemie (International Ed. in English)
|December 3, 2011
PubMed
Summary

Controlling nanocrystal (NC) shape allows for precise tuning of catalytic properties, enabling rational catalyst design for enhanced activity and selectivity in heterogeneous catalysis research. Shape-controlled NCs also serve as valuable model catalysts.

More Related Videos

Facet-to-facet Linking of Shape-anisotropic Colloidal Cadmium Chalcogenide Nanostructures
09:12

Facet-to-facet Linking of Shape-anisotropic Colloidal Cadmium Chalcogenide Nanostructures

Published on: August 10, 2017

Synthesis of Metal Nanoparticles Supported on Carbon Nanotube with Doped Co and N Atoms and its Catalytic Applications in Hydrogen Production
08:40

Synthesis of Metal Nanoparticles Supported on Carbon Nanotube with Doped Co and N Atoms and its Catalytic Applications in Hydrogen Production

Published on: December 6, 2021

Related Experiment Videos

Last Updated: May 27, 2026

In Situ SIMS and IR Spectroscopy of Well-defined Surfaces Prepared by Soft Landing of Mass-selected Ions
10:22

In Situ SIMS and IR Spectroscopy of Well-defined Surfaces Prepared by Soft Landing of Mass-selected Ions

Published on: June 16, 2014

Facet-to-facet Linking of Shape-anisotropic Colloidal Cadmium Chalcogenide Nanostructures
09:12

Facet-to-facet Linking of Shape-anisotropic Colloidal Cadmium Chalcogenide Nanostructures

Published on: August 10, 2017

Synthesis of Metal Nanoparticles Supported on Carbon Nanotube with Doped Co and N Atoms and its Catalytic Applications in Hydrogen Production
08:40

Synthesis of Metal Nanoparticles Supported on Carbon Nanotube with Doped Co and N Atoms and its Catalytic Applications in Hydrogen Production

Published on: December 6, 2021

Area of Science:

  • Materials Science
  • Nanotechnology
  • Catalysis

Background:

  • Bottom-up chemistry enables uniform control over nanocrystal (NC) composition, size, and shape.
  • Catalytic properties are sensitive to NC size and shape due to specific facet exposure.

Purpose of the Study:

  • To highlight the importance of shape-controlled NCs in heterogeneous catalysis.
  • To demonstrate the potential of NCs as model catalysts.

Main Methods:

  • Synthesis of uniform nanocrystals with controlled shapes.
  • Investigation of structure-property relationships in catalysis.

Main Results:

  • Catalytic activity and selectivity can be tuned by controlling NC shape and exposed facets.
  • Shape-controlled NCs offer simpler systems compared to traditional heterogeneous catalysts.

Conclusions:

  • Rational catalyst design is achievable by tuning NC shape.
  • Shape-controlled NCs can serve as model systems to bridge the gap between model surfaces and real-world catalysts.