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

Hydrogen Bonds00:26

Hydrogen Bonds

121.5K
Hydrogen bonds are weak attractions between atoms that have formed other chemical bonds. One of these atoms is electronegative, like oxygen, and has a partial negative charge. The other is a hydrogen atom that has bonded with another electronegative atom and has a partial positive charge.
Hydrogen Bonds Control the World!
Because hydrogen has very weak electronegativity when it binds with a strongly electronegative atom, such as oxygen or nitrogen, electrons in the bond are unequally shared....
121.5K

You might also read

Related Articles

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

Sort by
Same author

Quantifying treatment-related travel burden and its association with mortality in pediatric cancer: An analysis of state cancer registry data.

Cancer epidemiology·2026
Same author

Polarisome core component FgPea2 regulates FgBoi2-mediated polarized growth, pathogenicity and environmental stress in Fusarium graminearum.

Stress biology·2026
Same author

Genetic diversity analysis and core collection construction of Macadamia spp. from Yunnan using fourfold degenerate SNP sites.

BMC plant biology·2026
Same author

Case Report: Extracorporeal membrane oxygenation in acute coronary syndrome: a rare case of massive left ventricular thrombus.

Frontiers in cardiovascular medicine·2026
Same author

Exploring the Differences in Alkaloids of Fritillariae Thunbergii Bulbus From Different Regions Using Liquid Chromatography-Mass Spectrometry and Chemometrics.

Chemistry & biodiversity·2026
Same author

A comprehensive narrative review of <i>Epimedium</i> and its bioactive compounds in respiratory diseases.

Journal of pharmaceutical analysis·2026

Related Experiment Video

Updated: Jul 27, 2025

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

3.6K

Co@Co Cages Engineered from Hollowing MOFs for Enhanced Hydrogen Evolution Reaction Performance.

Chuangwei Jiao1, Zetan Cao1, Jia He1

  • 1Center for Ultrafast Science and Technology, School of Chemistry and Chemical Engineering, and School of Physics and Astronomy, Shanghai Jiao Tong University, Shanghai 200240, China.

The Journal of Physical Chemistry Letters
|June 7, 2023
PubMed
Summary

Researchers developed hollow metallic cobalt-carbon (Co@Co(C)) cages for catalysis. These novel cages exhibit excellent performance in hydrogen evolution reactions, approaching platinum-based catalyst efficiency.

More Related Videos

Synthesis and Characterization of Functionalized Metal-organic Frameworks
11:27

Synthesis and Characterization of Functionalized Metal-organic Frameworks

Published on: September 5, 2014

48.2K
Synthesis of Single-Crystalline Core-Shell Metal-Organic Frameworks
05:26

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

Published on: February 10, 2023

2.6K

Related Experiment Videos

Last Updated: Jul 27, 2025

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

3.6K
Synthesis and Characterization of Functionalized Metal-organic Frameworks
11:27

Synthesis and Characterization of Functionalized Metal-organic Frameworks

Published on: September 5, 2014

48.2K
Synthesis of Single-Crystalline Core-Shell Metal-Organic Frameworks
05:26

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

Published on: February 10, 2023

2.6K

Area of Science:

  • Materials Science
  • Nanotechnology
  • Catalysis

Background:

  • Hollow engineering of metal-organic frameworks (MOFs) is crucial for applications in catalysis, sensors, and batteries.
  • Existing hollow MOF derivatives are often limited to specific material types and require environmental elements.

Purpose of the Study:

  • To synthesize novel hollow metallic cobalt-carbon (Co@Co(C)) cages.
  • To evaluate the catalytic performance of these Co@Co(C) cages, particularly in hydrogen evolution reactions.

Main Methods:

  • A facile two-step synthesis strategy was employed to create hollow metallic Co@Co cages.
  • Characterization of the synthesized Co@Co(C) cages to identify structural and compositional properties.

Main Results:

  • The synthesized Co@Co(C) cages demonstrated excellent catalytic performance.
  • The material exhibited abundant exposed active sites and fast charge transfer capabilities.
  • A low overpotential of approximately 54 mV at 10 mA cm-2 was achieved for the hydrogen evolution reaction, comparable to Pt/C electrodes.

Conclusions:

  • The two-step synthesis strategy is effective for creating advanced hollow nanostructures.
  • Co@Co(C) cages offer significant potential for improving catalytic activity and material utilization in energy applications.
  • This approach expands the possibilities for designing MOF-based nanostructures with enhanced catalytic properties.