H2S分子负脉冲流光放电等离子体解离分析

doi:10.3969/j.issn.1000-1565.2021.02.004

河北大学学报(自然科学版) ›› 2021, Vol. 41 ›› Issue (2): 133-139.DOI: 10.3969/j.issn.1000-1565.2021.02.004

H₂S分子负脉冲流光放电等离子体解离分析

张淼¹,张连水²

收稿日期:2020-06-03 出版日期:2021-03-25 发布日期:2021-04-07
作者简介:张淼(1986—),女,河北保定人,河北大学实验师,主要从事光谱仪器操作及光谱分析方面研究.
E-mail:mzhanghbu@163.com
基金资助:
国家自然科学基金资助项目(11875121)

Excited dissociation analysis of H₂S by pulse plasma streamer discharge

ZHANG Miao¹, ZHANG Lianshui²

1.College of Chemistry and Environmental Science, Hebei University, Baoding 071002, China; 2.College of Physics Science and Technology, Hebei University, Baoding 071002, China

Received:2020-06-03 Online:2021-03-25 Published:2021-04-07

摘要/Abstract

摘要： 采用荧光发射光谱和荧光时间分辨光谱,对H₂S分子进行了脉冲流光放电激发解离相关实验研究.将所得400~800 nm荧光谱线归属为S₂、S^-₂、H、SH等活性粒子的发光.结果表明,H₂S气体脉冲流光放电等离子体中的主要活性粒子是H₂S^*、S₂、S^-₂、H、SH,且时间分辨光谱测量结果表明H和SH基荧光信号几乎同时出现,由此确定H₂S气体脉冲流光等离子体放电主要激发解离通道为H₂S+e^*→H₂S^*+e→H^*+SH^*.

关键词: H₂S分子, 流光放电等离子体, 激发解离

Abstract: The excited dissociation process of H₂S by pulsed plasma streamer discharge has been studied by using plasma fluorescence spectra and time-resolved spectra. The fluorescence spectra between 400 and 800 nm have been assigned to the transition of S₂, S^-₂, H, SH. Experiment results indicated that the main flexibility particles are H₂S^*, S₂, S^-₂, H and SH in pulsed plasma streamer discharge of H₂S. The results of time-resolved spectra indicated that the fluorescence signal of H and SH appeared almost simultaneously. The main excited dissociation channel of H₂S is H₂S+e^*→H₂S^*+e→H^*+SH^*.

Key words: H₂S molecule, plasma streamer discharge, excited dissociation-channel

中图分类号:

O433.2

张淼,张连水. H₂S分子负脉冲流光放电等离子体解离分析[J]. 河北大学学报(自然科学版), 2021, 41(2): 133-139.

ZHANG Miao, ZHANG Lianshui. Excited dissociation analysis of H₂S by pulse plasma streamer discharge[J]. Journal of Hebei University(Natural Science Edition), 2021, 41(2): 133-139.

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H₂S分子负脉冲流光放电等离子体解离分析

Excited dissociation analysis of H₂S by pulse plasma streamer discharge

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