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

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.

You might also read

Related Articles

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

Sort by
Same author

Controlling Droplet Evaporation in Aerosol Jet Printing to Understand and Mitigate Overspray.

Small science·2025
Same author

A Review of 2024 at <i>The Journal of Physical Chemistry</i>.

The journal of physical chemistry. A·2025
Same author

A Review of 2024 at <i>The Journal of Physical Chemistry</i>.

The journal of physical chemistry. B·2025
Same author

Role of Interface Strain and Chemo-Mechanical Effects during Electroplating in Sodium Metal Battery Anodes.

ACS applied materials & interfaces·2024
Same author

Dynamic Color Tuning with Electrochemically Actuated TiO<sub>2</sub> Metasurfaces.

Nano letters·2022
Same author

Smart Electromagnetic Thermites: GO/rGO Nanoscale Thermite Composites with Thermally Switchable Microwave Ignitability.

ACS applied materials & interfaces·2021

Related Experiment Video

Updated: May 30, 2026

Fabrication, Densification, and Replica Molding of 3D Carbon Nanotube Microstructures
09:23

Fabrication, Densification, and Replica Molding of 3D Carbon Nanotube Microstructures

Published on: July 2, 2012

Catalyst design for carbon nanotube growth using atomistic modeling.

Cary L Pint1, Guillermo Bozzolo, Robert Hauge

  • 1Department of Physics and Astronomy, Rice University, Houston, TX 77005, USA. Richard E Smalley Institute for Nanoscale Science and Technology, Rice University, Houston, TX 77005, USA.

Nanotechnology
|August 12, 2011
PubMed
Summary

This study uses the Bozzolo-Ferrante-Smith (BFS) method to simulate bimetallic catalyst formation for carbon nanotube growth. It explains experimental Fe-Mo catalyst results and suggests a powerful tool for catalyst design.

More Related Videos

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

Dry Oxidation and Vacuum Annealing Treatments for Tuning the Wetting Properties of Carbon Nanotube Arrays
08:59

Dry Oxidation and Vacuum Annealing Treatments for Tuning the Wetting Properties of Carbon Nanotube Arrays

Published on: April 15, 2013

Related Experiment Videos

Last Updated: May 30, 2026

Fabrication, Densification, and Replica Molding of 3D Carbon Nanotube Microstructures
09:23

Fabrication, Densification, and Replica Molding of 3D Carbon Nanotube Microstructures

Published on: July 2, 2012

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

Dry Oxidation and Vacuum Annealing Treatments for Tuning the Wetting Properties of Carbon Nanotube Arrays
08:59

Dry Oxidation and Vacuum Annealing Treatments for Tuning the Wetting Properties of Carbon Nanotube Arrays

Published on: April 15, 2013

Area of Science:

  • Materials Science
  • Nanotechnology
  • Computational Chemistry

Background:

  • Bimetallic catalysts are crucial for carbon nanotube (CNT) growth.
  • Understanding catalyst formation at the nanoscale is key to controlling CNT synthesis.
  • Iron-Molybdenum (Fe-Mo) catalysts are widely used but their pre-growth behavior requires further elucidation.

Purpose of the Study:

  • To investigate the formation and stability of bimetallic catalyst particles using computational methods.
  • To explain experimental observations of Fe-Mo catalyst behavior prior to CNT growth.
  • To explore the potential of the Bozzolo-Ferrante-Smith (BFS) method for designing efficient CNT catalysts.

Main Methods:

  • Utilized Monte Carlo-Metropolis simulations combined with the Bozzolo-Ferrante-Smith (BFS) method.
  • Modeled equilibrium configurations of nanoscale catalyst particles.
  • Analyzed strain and chemical energy contributions to catalyst formation.

Main Results:

  • Explained experimental Fe-Mo catalyst results, linking them to co-catalyst deposition order.
  • Identified competition between metastable Mo cores and surface-segregated Mo atoms influencing catalyst formation.
  • Demonstrated the impact of Mo concentration and particle size on Fe-Mo catalyst structure.

Conclusions:

  • The BFS method provides a straightforward interpretation of catalyst formation.
  • Catalyst particle structure, influenced by Mo concentration and size, is critical for CNT growth.
  • The BFS approach is a powerful tool for designing and optimizing bimetallic catalysts for enhanced CNT growth.