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论文类型：期刊论文

发表时间：2015-04-01

发表刊物：PLASMA SOURCES SCIENCE & TECHNOLOGY

收录刊物：SCIE、EI、Scopus

卷号：24

期号：2

ISSN号：0963-0252

关键字：microwave plasma; OES; atmospheric pressure

摘要：An atmospheric-pressure N-2-Ar plasma is investigated by means of optical emission spectroscopic diagnosis concerning the variation of its fundamental parameters, electron density and plasma temperature, and concentrations of ionized molecular nitrogen, atomic nitrogen, and excited argon with the tuning variables, such as the input power and the ratio of N-2 in N-2-Ar mixture gas, in the discharge region of the plasma torch. Moreover, qualitative discussions are delivered with respect to the mechanisms for nitrogen dissociation and influence of the Ar component on the N-2 plasma discharge at atmospheric pressure.