Volume 118, Number 3, May 2017
|Number of page(s)||6|
|Section||Atomic, Molecular and Optical Physics|
|Published online||03 July 2017|
The determination of micro-arc plasma composition and properties of nanoparticles formed during cathodic plasma electrolysis of 304 stainless steel
Faculty of Physics, University of Belgrade - Studentski trg 12–16, 11000 Belgrade, Serbia
Received: 19 April 2017
Accepted: 10 June 2017
This paper presents the research focused on the determination of micro-arc plasma composition during cathodic plasma electrolysis of AISI304 stainless steel in water solution of sodium hydroxide. The complex line shape of several Fe I spectral lines was observed and, by means of a dedicated fitting procedure based on the spectral line broadening theory and H2O thermal decomposition data, the mole fraction of micro-arc plasma constituents (H2, Fe, O, H, H2O, and OH) was determined. Subsequent characterization of the cathodic plasma electrolysis product formed during the process revealed that it consists of Fe-nanoparticles with median diameter of approximately 60 nm.
PACS: 32.70.Jz – Line shapes, widths, and shifts / 82.45.Hk – Electrolysis / 81.16.-c – Methods of micro- and nanofabrication and processing
© EPLA, 2017
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