Polymerization of Potassium Azide in Liquid Nitrogen Using Nanosecond-Pulsed Spark Plasma

被引：0
|
作者：
Song, Zhiheng [1 ]
Fridman, Alexander [1 ]
Dobrynin, Danil [1 ]
机构：
[1] Drexel Univ, C&J Nyheim Plasma Inst, 200 Fed St,Suite 500, Camden, NJ 08103 USA
来源：
MATERIALS | 2024年 / 17卷 / 19期
基金：
美国国家科学基金会;
关键词：
nanosecond-pulsed discharge; polymeric nitrogen; in-liquid discharge; PHASE;
D O I：
10.3390/ma17194787
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
In this manuscript, we report on the synthesis of a polynitrogen material from a potassium azide precursor using nanosecond-pulsed spark discharge plasma in liquid nitrogen. The polynitrogen material was characterized using Raman and Fourier transform infrared (FTIR) spectroscopy and identified as K2N6, with planar N6 rings and K- ions that have P6/mmm symmetry. An analysis of the mechanism behind such a transformation shows the importance of direct plasma-chemical effects in polymerization, while the crystal structure changes are believed to be due to plasma-emitted radiation in the ultraviolet range.
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页数：11
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