Abstract
In this study, method for experimentally determining the electron density (ne) and the electron temperature (Te) in the atmospheric Argon plasma jet is used; it is based on optical emission spectroscopy (OES). Boltzmann plot method used to calculate these parameters measured for different values of gas flow rate. The results show that the electron temperature decreasing with the increase of gas flow rate also indicates an increasing in the electron density of plasma jet with increasing of gas flow rate.
Highlights
In recent years, Atmospheric ColdPlasma (ACP) achieved increased attention among advanced non-thermal technologies an alternative approach for the elimination of spoilage microorganisms and pathogens from contaminated objects, including fresh and processed food surfaces and medical devices
They cannot transfer a large part of their kinetic energy to the heavy particles and they possess higher average kinetic energy when compared with the heavy particles
Highest peak appears at 696.5431nm for different values of gas flow rate, which indicates the active species generated in the Argon plasma represented by ArI, which agree with [7]
Summary
Atmospheric ColdPlasma (ACP) achieved increased attention among advanced non-thermal technologies an alternative approach for the elimination of spoilage microorganisms and pathogens from contaminated objects, including fresh and processed food surfaces and medical devices. The Boltzmann plot is a powerful, simple and widely used method for spectroscopy measurement, especially for measuring the electron temperature of plasma from using the relative intensity of two or more line spectra having a relatively large energy difference. Determination of both the electron density and temperature simultaneously in cold Argon plasma jet by analyzing the Stark broadening of two different emission lines is presented.
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