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

Reduction of Alkenes: Asymmetric Catalytic Hydrogenation02:17

Reduction of Alkenes: Asymmetric Catalytic Hydrogenation

3.3K
Catalytic hydrogenation of alkenes is a transition-metal catalyzed reduction of the double bond using molecular hydrogen to give alkanes. The mode of hydrogen addition follows syn stereochemistry.
The metal catalyst used can be either heterogeneous or homogeneous. When hydrogenation of an alkene generates a chiral center, a pair of enantiomeric products is expected to form. However, an enantiomeric excess of one of the products can be facilitated using an enantioselective reaction or an...
3.3K
Reduction of Alkenes: Catalytic Hydrogenation02:13

Reduction of Alkenes: Catalytic Hydrogenation

12.0K
Alkenes undergo reduction by the addition of molecular hydrogen to give alkanes. Because the process generally occurs in the presence of a transition-metal catalyst, the reaction is called catalytic hydrogenation.
Metals like palladium, platinum, and nickel are commonly used in their solid forms — fine powder on an inert surface. As these catalysts remain insoluble in the reaction mixture, they are referred to as heterogeneous catalysts.
The hydrogenation process takes place on the...
12.0K

You might also read

Related Articles

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

Sort by
Same author

Methicillin-Resistant Staphylococcus Aureus Septic Internal Jugular Thrombophlebitis: A Case Report.

Clinical practice and cases in emergency medicine·2026
Same author

A Dual-Role Amphiphilic Photosensitizer: Enhancing Structural Uniformity and Optical Properties of Langmuir Monolayers.

Langmuir : the ACS journal of surfaces and colloids·2026
Same author

Effect of hybrid field coupling in nanostructured surfaces on anisotropic signal detection in nanoscale infrared spectroscopic imaging methods.

Faraday discussions·2026
Same author

Insights Into Overall Photocatalytic Water Splitting Through Simultaneous In Situ H<sub>2</sub> and O<sub>2</sub> Measurements.

ChemSusChem·2026
Same author

Fluorine-Free Ion Exchange Membranes for (Photo)electrochemical Applications.

ACS polymers Au·2026
Same author

Atomistic Insights into Structure and Properties of ε-Caprolactone Oligomers.

The journal of physical chemistry. B·2026

Related Experiment Video

Updated: Jun 27, 2025

A Simple, Low-cost, and Robust System to Measure the Volume of Hydrogen Evolved by Chemical Reactions with Aqueous Solutions
06:32

A Simple, Low-cost, and Robust System to Measure the Volume of Hydrogen Evolved by Chemical Reactions with Aqueous Solutions

Published on: August 17, 2016

19.6K

Noble Metal-Free Light-Driven Hydrogen Evolution Catalysis in Polyampholytic Hydrogel Networks.

Tolga Ceper1,2,3, Daniel Costabel1,2,3, Daniel Kowalczyk4

  • 1Institute of Organic Chemistry and Macromolecular Chemistry, Friedrich Schiller University Jena, Humboldtstraße 10, D-07743 Jena, Germany.

ACS Applied Materials & Interfaces
|May 3, 2024
PubMed
Summary

Researchers developed a novel organic hydrogel capable of harnessing solar energy for hydrogen production. This sustainable soft matter network utilizes noble metal-free components for efficient and stable light-driven catalysis.

Keywords:
hydrogelhydrogen evolution catalysisimmobilizationnoble metal-freepolyampholytescaffold

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

3.6K
Developing Photosensitizer-Cobaloxime Hybrids for Solar-Driven H2 Production in Aqueous Aerobic Conditions
10:21

Developing Photosensitizer-Cobaloxime Hybrids for Solar-Driven H2 Production in Aqueous Aerobic Conditions

Published on: October 5, 2019

8.4K

Related Experiment Videos

Last Updated: Jun 27, 2025

A Simple, Low-cost, and Robust System to Measure the Volume of Hydrogen Evolved by Chemical Reactions with Aqueous Solutions
06:32

A Simple, Low-cost, and Robust System to Measure the Volume of Hydrogen Evolved by Chemical Reactions with Aqueous Solutions

Published on: August 17, 2016

19.6K
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
Developing Photosensitizer-Cobaloxime Hybrids for Solar-Driven H2 Production in Aqueous Aerobic Conditions
10:21

Developing Photosensitizer-Cobaloxime Hybrids for Solar-Driven H2 Production in Aqueous Aerobic Conditions

Published on: October 5, 2019

8.4K

Area of Science:

  • Materials Science
  • Renewable Energy
  • Catalysis

Background:

  • Solar energy conversion into chemical energy requires efficient soft matter scaffolds for catalyst immobilization.
  • Development of noble metal-free photosensitizers and catalysts is crucial for sustainable hydrogen evolution.

Purpose of the Study:

  • To create a fully organic light-harvesting soft matter network for noble metal-free photocatalysis.
  • To investigate the incorporation of photosensitizers and hydrogen evolution catalysts into a polyampholyte hydrogel.

Main Methods:

  • Fabrication of a polyampholyte hydrogel.
  • Electrostatic incorporation of a perylene monoimide derivative (photosensitizer) and a [Mo3S13]2- cluster (hydrogen evolution catalyst).

Main Results:

  • The hybrid hydrogel demonstrated sustained visible-light-driven hydrogen evolution in aqueous ascorbic acid.
  • Efficient catalysis was achieved at low loadings of photosensitizer (0.4%) and catalyst (120 ppm).
  • Initial data on the long-term stability of the hydrogel was provided.

Conclusions:

  • The developed organic soft matter network offers a promising platform for noble metal-free light-driven catalysis.
  • This approach provides a generalized route for integrating photocatalytic systems into versatile soft matter scaffolds.