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

Radical Oxidation of Allylic and Benzylic Alcohols01:21

Radical Oxidation of Allylic and Benzylic Alcohols

1.9K
Activated manganese(IV) oxide can selectively oxidize allylic and benzylic alcohols via a radical intermediate mechanism. Primary allylic alcohols are oxidized to aldehydes, while secondary allylic alcohols yield ketones. The redox reaction of potassium permanganate with an Mn(II) salt such as manganese sulfate (under either alkaline or acidic conditions), followed by thorough drying, yields the oxidizing agent: activated MnO2. While MnO2 is insoluble in the solvents used for the reaction, the...
1.9K
Oxidation of Alkenes: Syn Dihydroxylation with Potassium Permanganate02:21

Oxidation of Alkenes: Syn Dihydroxylation with Potassium Permanganate

10.9K
Alkenes can be dihydroxylated using potassium permanganate.  The method encompasses the reaction of an alkene with a cold, dilute solution of potassium permanganate under basic conditions to form a cis-diol along with a brown precipitate of manganese dioxide.
10.9K

You might also read

Related Articles

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

Sort by
Same author

Strain-Modulated Engineering of High-Entropy Vanadium-Based Chalcogenide for Sustainable Water Oxidation.

Small (Weinheim an der Bergstrasse, Germany)·2026
Same author

The Evolution of Lithography: From Resolution Scaling to Manufacturing Constraints.

Micromachines·2026
Same author

Advancing Self-Powered Devices with Novel MXene/Graphene Oxide/Siloxene Frameworks on Textiles: Bridging Chemistry and Sustainability.

Nano letters·2025
Same author

Rapid In-Plane Pattern Growth for Large-Area Inverse Replication Through Electrohydrodynamic Instability of Polymer Films.

Small (Weinheim an der Bergstrasse, Germany)·2024
Same author

Liquid-phase catalyst pre-seeding for controlled growth of layered MoS<sub>2</sub> films over a large area <i>via</i> chemical vapor deposition.

Nanoscale·2024
Same author

Electrohydrodynamic Nanopatterning: A Novel Solvent-Assisted Technique for Unconventional Substrates.

Nano letters·2023
Same journal

Engineering Ultrathin Bismuth Nanosheets With Active Facet for Highly Efficient CO<sub>2</sub> Electroreduction to Formate.

ChemSusChem·2026
Same journal

Lanthanum-Induced MnO<sub>2</sub>/Mn<sub>2</sub>O<sub>3</sub> Dual-Phase Heterostructure for Efficient and Stable Acidic Oxygen Evolution.

ChemSusChem·2026
Same journal

Solvent-, Catalyst-, and Heating-Free Mechanochemical Depolymerization of Polyurethane.

ChemSusChem·2026
Same journal

Beyond Single-Active Sites: The Emergence of High-Entropy Perovskites in Energy and Environment Catalysis.

ChemSusChem·2026
Same journal

Sodium Humate Chelating Ferrous Ions in the Aqueous Synthesis of High-Purity Sulfate Cathode Materials for Sustainable Sodium Ion Storage.

ChemSusChem·2026
Same journal

Mechanism-Guided Design Strategies for Stabilizing Ruthenium Oxide Anodes in Proton Exchange Membrane Water Electrolysis.

ChemSusChem·2026
See all related articles

Related Experiment Video

Updated: Jun 4, 2025

Preparation of Polyoxometalate-based Photo-responsive Membranes for the Photo-activation of Manganese Oxide Catalysts
05:47

Preparation of Polyoxometalate-based Photo-responsive Membranes for the Photo-activation of Manganese Oxide Catalysts

Published on: August 7, 2018

7.6K

Stabilizing Polyoxometalate for Enhanced OER Performance Using a Porous Manganese Oxide Support.

Muhammad Zubair1, Lin Shen2, Tae Hyeong Lee1

  • 1Department of Physics, Sungkyunkwan University, 2066 Seobu-ro, Jangan-gu, Suwon, Gyeonggi-do, 16419, Republic of Korea.

Chemsuschem
|December 27, 2024
PubMed
Summary
This summary is machine-generated.

This study anchors polyoxometalate (POM) nanosheets onto a carbon-protected manganese oxide support, creating a stable electrocatalyst for the oxygen evolution reaction (OER). The new material shows enhanced activity and durability for efficient water splitting.

Keywords:
C–Mn2O3ElectrocatalysisOxygen evolution reactionPolyoxometalates

More Related Videos

Stable Aqueous Suspensions of Manganese Ferrite Clusters with Tunable Nanoscale Dimension and Composition
10:45

Stable Aqueous Suspensions of Manganese Ferrite Clusters with Tunable Nanoscale Dimension and Composition

Published on: February 5, 2022

4.2K
Manganese Oxide Nanoparticle Synthesis by Thermal Decomposition of ManganeseII Acetylacetonate
09:02

Manganese Oxide Nanoparticle Synthesis by Thermal Decomposition of ManganeseII Acetylacetonate

Published on: June 18, 2020

13.0K

Related Experiment Videos

Last Updated: Jun 4, 2025

Preparation of Polyoxometalate-based Photo-responsive Membranes for the Photo-activation of Manganese Oxide Catalysts
05:47

Preparation of Polyoxometalate-based Photo-responsive Membranes for the Photo-activation of Manganese Oxide Catalysts

Published on: August 7, 2018

7.6K
Stable Aqueous Suspensions of Manganese Ferrite Clusters with Tunable Nanoscale Dimension and Composition
10:45

Stable Aqueous Suspensions of Manganese Ferrite Clusters with Tunable Nanoscale Dimension and Composition

Published on: February 5, 2022

4.2K
Manganese Oxide Nanoparticle Synthesis by Thermal Decomposition of ManganeseII Acetylacetonate
09:02

Manganese Oxide Nanoparticle Synthesis by Thermal Decomposition of ManganeseII Acetylacetonate

Published on: June 18, 2020

13.0K

Area of Science:

  • Materials Science
  • Electrochemistry
  • Catalysis

Background:

  • The oxygen evolution reaction (OER) is crucial for electrocatalytic water splitting but faces challenges due to high energy requirements and slow kinetics.
  • Polyoxometalates (POMs) offer unique redox properties but suffer from poor stability in water, limiting their OER applications.
  • Developing robust and efficient electrocatalysts is essential for advancing water splitting technologies.

Purpose of the Study:

  • To enhance the performance and stability of polyoxometalates (POMs) for the oxygen evolution reaction (OER).
  • To develop a novel electrocatalyst by anchoring POM nanosheets onto a conductive, carbon-protected manganese oxide support.
  • To investigate the structural and electrochemical properties of the resulting nanohybrid material for efficient water splitting.

Main Methods:

  • Anchoring keggin-type POM [TiCoW11O40]7- nanosheets onto carbon-protected manganese oxide (C-Mn2O3) nanospheres.
  • Fabrication of the polyoxometalate/C-Mn2O3 (PCM) nanohybrid electrocatalyst.
  • Electrochemical characterization of the PCM nanohybrid for OER activity and stability in 1 M KOH.

Main Results:

  • The PCM nanohybrid exhibits enhanced POM/support contact, improving stability, reaction kinetics, and redox activity.
  • Achieved a low overpotential of 300 mV at 10 mA cm−2 with a Tafel slope of 88 mV/dec.
  • Demonstrated high mass activity (784 A/g at 1.6 V) and excellent stability over 100 hours at 100 mA cm−2.

Conclusions:

  • The developed PCM nanohybrid presents a viable strategy for creating efficient and durable electrocatalysts for OER.
  • Anchoring POMs onto a conductive support effectively addresses their solubility issues and enhances catalytic performance.
  • This approach offers a low-cost material solution for advanced water splitting applications.