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Investigation of underwater discharge plasma with metal vapor admixtures

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Abstract

This study investigates the control of input energy and plasma parameters during the electric discharge erosive process for nanoparticle generation. The total energy supplied to the discharge chamber was controlled by varying the switching phase of the thyristor. Electrical parameters, including current and voltage waveforms, were analyzed to estimate the total input energy delivered to the reactor with zinc granules immersed in water. Additionally, the correlation between electrical parameters and plasma characteristics in the underwater discharge plasma with zinc vapors was examined. It was found that decreasing the switching phase increased the total input energy and influenced the electron density and emission intensity of the plasma. A decrease in switching phase within the range of 145–135 degrees resulted in better erosion of zinc material and more efficient generation of nanoparticles in the plasma. These findings contribute to the optimization of nanoparticle synthesis processes.

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Acknowledgements

This work has been partially carried out within the framework of the EUROfusion Consortium, funded by the European Union via the Euratom Research and Training Programme (Grant Agreement № 101052200 -EUROfusion). Views and opinions expressed are however those of the author(s) only and do not necessarily reflect those of the European Union or the European Commission. Neither the European Union nor the European Commission can be held responsible for them. Authors consider it their duty to thank the 10th International Conference "Nanotechnologies and Nanomaterials" for the possibility to present the results of investigation published in this work. Moreover, authors wish to thanks prof. Konstantyn Lopatko for the opportunity to use his experimental setup for investigations.

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AM, AN, and VB carried out the measurements. AM treated the experimental data and constructed dependencies, presented in this work. AN and AV prepared the manuscript. VB and AM reviewed the results and approved the final version of the manuscript.

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Correspondence to A. Murmantsev.

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Murmantsev, A., Ninyovskij, V., Veklich, A. et al. Investigation of underwater discharge plasma with metal vapor admixtures. Appl Nanosci 13, 7575–7583 (2023). https://doi.org/10.1007/s13204-023-02952-w

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  • DOI: https://doi.org/10.1007/s13204-023-02952-w

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