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

Prochirality02:05

Prochirality

5.1K
The concept of prochirality leads to the nomenclature of the individual faces of a molecule and plays a crucial role in the enantioselective reaction. It is a concept where two or more achiral molecules react to produce chiral products. A typical process is the reaction of an achiral ketone to generate a chiral alcohol. Here, the achiral reactant reacts with an achiral reducing agent, sodium borohydride, to generate an equimolar mixture of the chiral enantiomers of the product. For example, an...
5.1K
Regioselectivity and Stereochemistry of Acid-Catalyzed Hydration02:34

Regioselectivity and Stereochemistry of Acid-Catalyzed Hydration

9.8K
The rate of acid-catalyzed hydration of alkenes depends on the alkene's structure, as the presence of alkyl substituents at the double bond can significantly influence the rate.
9.8K
Carboxylic Acids to Methylesters: Alkylation using Diazomethane01:33

Carboxylic Acids to Methylesters: Alkylation using Diazomethane

3.1K
Carboxylic acids react with diazomethane in an ether solvent via alkylation at the carboxylate oxygen atom to give methyl esters of the corresponding acid with excellent yields.
3.1K
Catalysis02:50

Catalysis

30.9K
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.
30.9K
Cycloaddition Reactions: MO Requirements for Thermal Activation01:16

Cycloaddition Reactions: MO Requirements for Thermal Activation

4.8K
Thermal cycloadditions are reactions where the source of activation energy needed to initiate the reaction is provided in the form of heat. A typical example of a thermally-allowed cycloaddition is the Diels–Alder reaction, which is a [4 + 2] cycloaddition. In contrast, a [2 + 2] cycloaddition is thermally forbidden.
4.8K
Stability of Substituted Cyclohexanes02:30

Stability of Substituted Cyclohexanes

16.0K
This lesson discusses the stability of substituted cyclohexanes with a focus on energies of various conformers and the effect of 1,3-diaxial interactions.
The two chair conformations of cyclohexanes undergo rapid interconversion at room temperature. Both forms have identical energies and stabilities, each comprising equal amounts of the equilibrium mixture. Replacing a hydrogen atom with a functional group makes the two conformations energetically non-equivalent.
For example, in...
16.0K

You might also read

Related Articles

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

Sort by
Same author

The Effect of Nanoparticle Structure on the Thermodynamics and Kinetics of Proton-Coupled Electron Transfer Reactions to V<sub>2</sub>O<sub>5</sub>.

Journal of the American Chemical Society·2026
Same author

Stabilization of Cu Species in UiO-66 Metal-Organic Framework for CO<sub>2</sub>-to-Methanol: Insights From Operando X-ray and Electron Microscopy Studies.

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

Cooperative Redox Catalysis of N<sub>2</sub>O Decomposition by Short-Range RhO<sub>x</sub> and CeO<sub>x</sub> Anchored to Co<sub>3</sub>O<sub>4</sub>.

Angewandte Chemie (International ed. in English)·2026
Same author

Structure and Carbon Dioxide Adsorption Properties of a Nanosized Aluminum l‑Aspartate Metal-Organic Framework.

ACS applied nano materials·2026
Same author

Unveiling the Early Species of Silica-Based Materials: Raman Characterization of Silica Oligomers.

Nano letters·2026
Same author

Comparative Efficacy of Initial Treatment Strategies in Patients with Transarterial Chemoembolisation-Unsuitable Hepatocellular Carcinoma.

Liver cancer·2026

Related Experiment Video

Updated: Feb 22, 2026

Synthesis and Testing of Supported Pt-Cu Solid Solution Nanoparticle Catalysts for Propane Dehydrogenation
10:19

Synthesis and Testing of Supported Pt-Cu Solid Solution Nanoparticle Catalysts for Propane Dehydrogenation

Published on: July 18, 2017

12.6K

Methane to Methanol: Structure-Activity Relationships for Cu-CHA.

Dimitrios K Pappas1, Elisa Borfecchia2,3, Michael Dyballa1

  • 1Center for Materials Science and Nanotechnology (SMN), Department of Chemistry, University of Oslo , 1033 Blindern, 0315 Oslo, Norway.

Journal of the American Chemical Society
|September 26, 2017
PubMed
Summary

Copper-exchanged zeolites, specifically Cu-SSZ-13, can convert methane to methanol at low temperatures. Optimizing conditions and material composition maximizes methanol productivity by controlling active copper sites.

More Related Videos

Methane Hydrate Crystallization on Sessile Water Droplets
08:46

Methane Hydrate Crystallization on Sessile Water Droplets

Published on: May 26, 2021

2.9K
CO2 Photoreduction to CH4 Performance Under Concentrating Solar Light
07:08

CO2 Photoreduction to CH4 Performance Under Concentrating Solar Light

Published on: June 12, 2019

7.5K

Related Experiment Videos

Last Updated: Feb 22, 2026

Synthesis and Testing of Supported Pt-Cu Solid Solution Nanoparticle Catalysts for Propane Dehydrogenation
10:19

Synthesis and Testing of Supported Pt-Cu Solid Solution Nanoparticle Catalysts for Propane Dehydrogenation

Published on: July 18, 2017

12.6K
Methane Hydrate Crystallization on Sessile Water Droplets
08:46

Methane Hydrate Crystallization on Sessile Water Droplets

Published on: May 26, 2021

2.9K
CO2 Photoreduction to CH4 Performance Under Concentrating Solar Light
07:08

CO2 Photoreduction to CH4 Performance Under Concentrating Solar Light

Published on: June 12, 2019

7.5K

Area of Science:

  • Catalysis
  • Materials Science
  • Chemical Engineering

Background:

  • Methane's selective partial oxidation to methanol is crucial for chemical synthesis.
  • Cu-exchanged zeolites offer potential for low-temperature methane conversion.
  • Cu-SSZ-13 is a promising material for this transformation.

Purpose of the Study:

  • Investigate the influence of reaction parameters and elemental composition on Cu-SSZ-13 performance for methane to methanol conversion.
  • Identify and characterize the active copper species involved in the process.
  • Optimize conditions to maximize methanol productivity.

Main Methods:

  • Activity tests to measure methanol production.
  • X-ray absorption spectroscopy (XAS) to determine copper speciation.
  • Systematic variation of reaction parameters and material composition (Si:Al and Cu:Al ratios).

Main Results:

  • Active Cu(II) sites are formed in the presence of O2, with high temperature and prolonged activation time increasing their population.
  • Methanol productivity shows a linear correlation with material reducibility.
  • Optimized conditions and material composition yielded a record methanol productivity of 0.2 mol CH3OH/mol Cu.
  • High populations of 2Al Z2Cu(II) sites (at low Si:Al and Cu:Al ratios) were found to be inactive.
  • Z[Cu(II)OH] complexes were identified as inactive precursors to active sites.

Conclusions:

  • The study elucidates the role of copper speciation in Cu-SSZ-13 for methane partial oxidation.
  • Optimal process conditions and material composition are critical for maximizing methanol yield.
  • Understanding the formation and deactivation pathways of active sites is key for catalyst development.