Eur. Phys. J. Appl. Phys.
Volume 79, Number 1, July 2017
The 15th International Symposium on High Pressure Low Temperature Plasma Chemistry (HAKONE XV)
|Number of page(s)||9|
|Section||Plasma, Discharges and Processes|
|Published online||30 May 2017|
Atmospheric pressure plasma in contact with liquid and its application for nanoparticles synthesis*
Laboratory of Laser Diagnostic of Plasma, B.I. Stepanov Institute of Physics, National Academy of Sciences of Belarus, Nezalezhnasti Avenue 70, 220072 Minsk, Belarus
a e-mail: firstname.lastname@example.org
Revised: 4 April 2017
Accepted: 21 April 2017
Published online: 30 May 2017
The capabilities of atmospheric pressure gas-liquid interfacial discharge plasma for synthesis of metallic (Ag), oxide (ZnO) and composite (ZnO/Ag) nanoparticles are discussed. The gas-liquid boundary microplasma was generated between a capillary (hollow needle) with flowing argon and liquid surface in ambient air under the normal pressure. To optimize the synthesis process the main characteristics of the discharge plasma were studied using emission spectroscopy by varying the discharge current, gas flow rate and solution composition. The morphology and composition of the generated particles were found to be dependent on both plasma parameters and plasma induced processes in solution. The studies performed suggest that particle nucleation and growth can be attributed to the reduction reactions of the aqueous metal cations by electrons from the microplasma.
© EDP Sciences, 2017
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