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Plasma Characteristics of Typical Nitrogen-containing Compounds in Nitrogen Atmosphere
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1.School of Chemistry and Chemical Engineering,Nanjing University of Science and Technology, Nanjing 210094, China;2.Micro-Nano Energetic Devices Key Laboratory of MIIT, Nanjing 210094, China;3.Northern Special Energy Group Co., Ltd. Xi ''an Qinghua company, Xi''an 710025, China

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    Abstract:

    Nitrogen-containing compounds, acting as nitrogen donors, directly influence the types of high nitrogen compounds formed under laser irradiation. To understand the impact of various nitrogen-containing compounds on the formation of high-nitrogen compounds, three representative compounds NaN3, Si3N4 and P3N5 were ablated using a pulsed Nd: YAG laser in a nitrogen atmosphere. The plasma characteristics and the evolution of the transient intermediates generated by laser sputtering were investigated by transient spectrometer. The findings indicate that the laser ablation of NaN3 yields the highest number of nitrogen atoms (NⅠ), monovalent nitrogen ions (NⅡ), and trivalent nitrogen ions (NⅢ), with the longest duration of nitrogen plasma. The lifetimes of NⅠ, NⅡ, and NⅢ reached 39,400 ns, 39,400 ns, and 19,450 ns, respectively. Among the three nitrogen donors, the laser ablation of NaN3 in a nitrogen atmosphere is most likely to result in the formation of high-nitrogen or all-nitrogen compounds.

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刘海庆,向书杰,方普懿行,等.典型含氮化合物在氮气中的等离子体特性[J].含能材料,2025,33(3):256-265.
LIU Hai-qing, XIANG Shu-jie, FANG Pu-yixing, et al. Plasma Characteristics of Typical Nitrogen-containing Compounds in Nitrogen Atmosphere[J]. Chinese Journal of Energetic Materials,2025,33(3):256-265.

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History
  • Received:April 15,2024
  • Revised:October 22,2024
  • Adopted:September 13,2024
  • Online: October 15,2024
  • Published: March 25,2025