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Cubic gauche polymeric nitrogen under ambient conditions.

El Mostafa Benchafia1, Zhenhua Yao2, Gu Yuan1

  • 1Interdisciplinary Program in Materials Science and Engineering, New Jersey Institute of Technology, Newark, NJ, 07102, USA.

Nature Communications
|October 15, 2017
PubMed
Summary

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Researchers synthesized the cubic gauche phase of polymeric nitrogen (cg-PN) under near-ambient conditions. This breakthrough enables potential applications as a green energetic material and catalyst.

Area of Science:

  • Materials Science
  • Chemistry

Background:

  • Polymeric nitrogen phases offer high energy density and environmental benefits.
  • However, these materials are typically unstable, limiting their practical applications.

Purpose of the Study:

  • To synthesize and stabilize the cubic gauche phase of polymeric nitrogen (cg-PN) under near-ambient conditions.
  • To explore its potential as a green energetic material and catalyst.

Main Methods:

  • Utilized radio-frequency plasma reaction with a nitrogen and argon gas mixture.
  • Employed bulk β-sodium azide or β-sodium azide on multiwall carbon nanotubes as precursors.
  • Characterized the synthesized phase using Raman spectroscopy, attenuated total reflection-Fourier transform infrared spectroscopy, and powder X-ray diffraction.

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Main Results:

  • Successfully synthesized the cubic gauche phase of polymeric nitrogen (cg-PN) and a related phase.
  • Confirmed the cg-PN phase through spectroscopic and diffraction analyses.
  • Achieved synthesis under near-ambient conditions, overcoming previous stability issues.

Conclusions:

  • The synthesis of cg-PN under near-ambient conditions is feasible.
  • This advancement facilitates optimized production and opens avenues for applications as a green energetic material and catalyst.