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

Electrodeposition01:08

Electrodeposition

671
Electrodeposition is a technique used to separate an analyte from interferents by electrochemical processes. Here, the analyte is a metal ion that can be deposited on an electrode immersed in the sample solution. The electrochemical setup consists of an anode and a cathode. When an electric current is applied to the setup, oxidation occurs at the anode. At the cathode, which consists of a large metal surface, metal ions undergo reduction and deposit onto the surface.
Electrodeposition can...
671
Voltaic/Galvanic Cells02:47

Voltaic/Galvanic Cells

57.6K
Spontaneous Chemical Reactions
Spontaneous redox reactions occur abundantly in nature. The chemical reaction occurring in a disposable AA battery powering our remote controls is one such example of a spontaneous redox reaction. Another example is the immersion of coiled copper wire into an aqueous silver nitrate solution. The reaction shows a gradual, visually impressive color change from colorless to bright blue and the formation of a grey precipitate on the copper wire. In this experiment,...
57.6K
Ladder Diagrams: Redox Equilibria01:30

Ladder Diagrams: Redox Equilibria

482
Ladder diagrams are useful tools for understanding redox equilibrium reactions, especially the effects of concentration changes on the electrochemical potential of the reaction. The vertical axis in the redox ladder diagrams represents the electrochemical potential, E. The area of predominance is demarcated using the Nernst equation.
Consider the Fe3+/Fe2+ half-reaction, which has a standard-state potential of +0.771 V. At potentials more positive than +0.771 V, Fe3+ predominates, whereas Fe2+...
482
Standard Electrode Potentials03:02

Standard Electrode Potentials

44.2K
On comparing the reactivity of silver and lead, it is observed that the two ionic species, Ag+ (aq) and Pb2+ (aq), show a difference in their redox reactivity towards copper: the silver ion undergoes spontaneous reduction, while the lead ion does not. This relative redox activity can be easily quantified in electrochemical cells by a property called cell potential. This property is commonly known as cell voltage in electrochemistry, and it is a measure of the energy which accompanies the charge...
44.2K
Electrolysis03:00

Electrolysis

26.7K
In a galvanic cell, the electrical work is done by a redox system on its surroundings as electrons produced by the spontaneous redox reactions are transferred through an external circuit. Alternatively, an external circuit does work on a redox system by imposing a voltage sufficient to drive an otherwise nonspontaneous reaction in a process known as electrolysis. For instance, recharging a battery involves the use of an external power source to drive the spontaneous (discharge) cell reaction in...
26.7K
Colors and Magnetism03:02

Colors and Magnetism

11.9K
Color in Coordination Complexes
When atoms or molecules absorb light at the proper frequency, their electrons are excited to higher-energy orbitals. For many main group atoms and molecules, the absorbed photons are in the ultraviolet range of the electromagnetic spectrum, which cannot be detected by the human eye. For coordination compounds, the energy difference between the d orbitals often allows photons in the visible range to be absorbed and emitted, which is seen as colors by the human...
11.9K

You might also read

Related Articles

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

Sort by
Same author

Pressurized Gas-Driven Elemental Redistribution Enables Ultrastable PtNi Catalysts for Heavy-Duty Vehicles.

Journal of the American Chemical Society·2026
Same author

Tailoring crystallization kinetics for scalable and efficient large-area perovskite light-emitting diodes.

Science advances·2026
Same author

Correlating surface adsorbate configuration and electrochemical performance of IrO<sub>2</sub> during seawater-relevant electrolysis.

Proceedings of the National Academy of Sciences of the United States of America·2026
Same author

Cation-tuned acidic electrified interface for hydrogen peroxide electrosynthesis with industrial-level current densities in natural seawater.

Nature communications·2026
Same author

Chaotropic Anions Promote Electrochemical C-C Bond Formation by Reshaping Interfacial Solvation.

Journal of the American Chemical Society·2026
Same author

O<sub>2</sub> Reduction Stimulates Adatom Generation on Cu(111) Catalyzing Hydrogen Evolution.

Journal of the American Chemical Society·2026
Same journal

Erratum for the Research Article "Assessing the health risks of rice cadmium content standards in China" by H. Chu <i>et al</i>.

Science advances·2026
Same journal

Erratum for the Research Article "Developmental regulation of Erk signaling by mitotic kinases" by F. Chen <i>et al</i>.

Science advances·2026
Same journal

Magnetically levitated metasurface enabling tangible and bidirectional human-machine interaction.

Science advances·2026
Same journal

A general photoinduced manganese-catalyzed platform for the sequential difunctionalization of [1.1.1]propellane.

Science advances·2026
Same journal

Turning sound and force into light with AlN:Mn<sup>2+</sup> mechanoluminescence.

Science advances·2026
Same journal

Extreme dominance of Earth-origin heavy ions in the intense ring current near the Earth during the May 2024 super geomagnetic storm.

Science advances·2026
See all related articles

Related Experiment Video

Updated: Jul 21, 2025

Author Spotlight: Magnetometric Characterization of Intermediates in the Solid-State Electrochemistry of Redox-Active Metal-Organic Frameworks
06:53

Author Spotlight: Magnetometric Characterization of Intermediates in the Solid-State Electrochemistry of Redox-Active Metal-Organic Frameworks

Published on: June 9, 2023

2.0K

CO electroreduction on single-atom copper.

Yuxuan Wang1, Boyang Li2, Bin Xue1,3

  • 1Department of Chemical and Biomolecular Engineering and Ralph O'Connor Sustainable Energy Institute, Johns Hopkins University, Baltimore, MD 21218, USA.

Science Advances
|July 26, 2023
PubMed
Summary
This summary is machine-generated.

Single-atom copper electrocatalysts enable carbon-negative electrosynthesis by facilitating carbon-carbon coupling via an Eley-Rideal mechanism. This approach enhances energy and carbon conversion efficiencies for C2+ hydrocarbon production.

More Related Videos

Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction
10:57

Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction

Published on: April 10, 2018

18.3K
[DPEPhosbcpCu]PF6: A General and Broadly Applicable Copper-Based Photoredox Catalyst
09:12

[DPEPhosbcpCu]PF6: A General and Broadly Applicable Copper-Based Photoredox Catalyst

Published on: May 21, 2019

9.3K

Related Experiment Videos

Last Updated: Jul 21, 2025

Author Spotlight: Magnetometric Characterization of Intermediates in the Solid-State Electrochemistry of Redox-Active Metal-Organic Frameworks
06:53

Author Spotlight: Magnetometric Characterization of Intermediates in the Solid-State Electrochemistry of Redox-Active Metal-Organic Frameworks

Published on: June 9, 2023

2.0K
Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction
10:57

Synthesis and Performance Characterizations of Transition Metal Single Atom Catalyst for Electrochemical CO2 Reduction

Published on: April 10, 2018

18.3K
[DPEPhosbcpCu]PF6: A General and Broadly Applicable Copper-Based Photoredox Catalyst
09:12

[DPEPhosbcpCu]PF6: A General and Broadly Applicable Copper-Based Photoredox Catalyst

Published on: May 21, 2019

9.3K

Area of Science:

  • Electrochemistry
  • Materials Science
  • Catalysis

Background:

  • Carbon dioxide (CO2) and carbon monoxide (CO) electroreduction to C2+ hydrocarbons is crucial for carbon-negative electrosynthesis.
  • Understanding carbon-carbon (C-C) coupling mechanisms is vital for efficient electrocatalyst design.

Purpose of the Study:

  • To investigate the CO electroreduction mechanism on single-atom copper (Cu) electrocatalysts.
  • To elucidate the C-C coupling pathways and identify key intermediates.

Main Methods:

  • Electrocatalytic studies using atomically dispersed Cu on a carbon nitride substrate.
  • Chemisorption and computational studies.
  • Analysis of reaction intermediates and product selectivity.

Main Results:

  • Single-atom Cu sites coordinated with nitrogen moieties were synthesized.
  • An Eley-Rideal type C-C coupling mechanism was observed, differing from the Langmuir-Hinshelwood mechanism on Cu metal.
  • Isolated Cu sites selectively stabilized key intermediates, influencing product distribution.

Conclusions:

  • Single-atom copper catalysts facilitate a distinct C-C coupling mechanism for CO electroreduction.
  • This mechanism enhances selectivity and efficiency in producing C2+ hydrocarbons.
  • The findings provide insights for designing advanced electrocatalysts for sustainable chemical synthesis.