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Cubic gauche polymeric nitrogen under ambient conditions.


ABSTRACT: The long-sought cubic gauche phase of polymeric nitrogen (cg-PN) with nitrogen-nitrogen single bonds has been synthesized together with a related phase by a radio-frequency plasma reaction under near-ambient conditions. Here, we report the synthesis of polymeric nitrogen using a mixture of nitrogen and argon flowing over bulk ?-sodium azide or ?-sodium azide dispersed on 100?nm long multiwall carbon nanotubes. The cg-PN phase is identified by Raman and attenuated total reflection-Fourier transform infrared spectroscopy, and powder X-ray diffraction. The synthesis of the cubic gauche allotrope of high energy density polymeric nitrogen under near-ambient conditions should therefore enable its optimized production and applications as a "green" energetic material and a potential catalyst for different chemical reactions.Polymeric phases of nitrogen are promising as environmentally-friendly, high energy-density materials, but are inherently unstable. Here, the authors report the synthesis and stabilization of polymeric nitrogen in its cubic gauche phase under near-ambient conditions, via plasma-enhanced chemical vapour deposition.

SUBMITTER: Benchafia EM 

PROVIDER: S-EPMC5640604 | biostudies-literature | 2017 Oct

REPOSITORIES: biostudies-literature

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Cubic gauche polymeric nitrogen under ambient conditions.

Benchafia El Mostafa EM   Yao Zhenhua Z   Yuan Gu G   Chou Tsengmin T   Piao Hong H   Wang Xianqin X   Iqbal Zafar Z  

Nature communications 20171013 1


The long-sought cubic gauche phase of polymeric nitrogen (cg-PN) with nitrogen-nitrogen single bonds has been synthesized together with a related phase by a radio-frequency plasma reaction under near-ambient conditions. Here, we report the synthesis of polymeric nitrogen using a mixture of nitrogen and argon flowing over bulk β-sodium azide or β-sodium azide dispersed on 100 nm long multiwall carbon nanotubes. The cg-PN phase is identified by Raman and attenuated total reflection-Fourier transfo  ...[more]

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