Related Experiment Video
Updated: Sep 24, 2025

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
Recent Progress in Dinitrogen Activation by Gas-Phase Metal Species
Li-Hui Mou1,2,3, Zi-Yu Li1,3, Sheng-Gui He1,2,3
1State Key Laboratory for Structural Chemistry of Unstable and Stable Species, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100190, P.R. China.
Researchers explored how gas-phase metal species activate and functionalize dinitrogen (N2) to design better nitrogen-fixation catalysts. This perspective highlights new insights into N2 bond cleavage and formation, crucial for catalysis.
Area of Science:
- Catalysis
- Inorganic Chemistry
- Materials Science
Background:
- Nitrogen fixation is vital for agriculture and industry.
- Understanding dinitrogen (N2) activation is key to designing efficient synthetic catalysts.
- Gas-phase reactions offer a molecular-level view of N2 bond cleavage and functionalization.
Purpose of the Study:
- To provide an overview of recent advances in gas-phase N2 activation and functionalization by metal species.
- To highlight new mechanistic insights and reaction pathways.
- To discuss current challenges and future directions in the field.
Main Methods:
- Combined experimental and theoretical studies.
- Investigation of reactions between gas-phase metal species and N2.
- Analysis of N2 molecular adsorption, N≡N cleavage, and N-X bond formation.
Main Results:
- New mechanistic insights into N2 activation and functionalization by metal species.
- Identification of novel reaction channels, including neutral metal fragment ejection.
- Observation of coupling reactions between N2 and other molecules.
Conclusions:
- Gas-phase studies provide fundamental understanding of N2 activation mechanisms.
- Emerging reaction pathways offer new strategies for catalyst design.
- Further research is needed to overcome current challenges in N2 activation.
Related Concept Videos
Inorganic Nitrogen Assimilation
Overview of Nitrogen Metabolism
The largest pool of nitrogen available in the terrestrial ecosystem is gaseous nitrogen (N2) from the air, but this...
1° Amines to Diazonium or Aryldiazonium Salts: Diazotization with NaNO2 Mechanism
meta-Directing Deactivators: –NO2, –CN, –CHO, –⁠CO2R, –COR, –CO2H
Nuclear Transmutation
1° Amines to Diazonium or Aryldiazonium Salts: Diazotization with NaNO2 Overview
The nitrous acid is unstable. Hence, it is formed in situ from a solution of sodium nitrite and cold aqueous acids such as hydrochloric or sulfuric acid. In an acidic solution, the –OH group of nitrous acid undergoes protonation to give oxonium ion, followed by...

