Particle and Aerosol Research Vol. 8, No. 1, March 2012 |
ISSN : 1738-8716 (Print) ISSN : 2287-8130 (Online) |
Formation of Nanoparticles by Spark Discharge in Liquid
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Abstracts
In this study, we designed a ¡®spark in liquid¡¯ system. The spark discharge between two electrodes were used to generate particles by using sufficient temperature to evaporate a part of electrodes. The power supply system provides a continuous spark discharge by discharging of the capacitor to ionize the electrodes in liquid. The DC spark discharge system operates with 1-10 kV voltage. Processed copper and graphite rods were used to both electrodes with 1-3 mm diameter. There are several variables which can control the particle size and concentration such as gap distance between electrodes, applied voltage, operating liquid temperature, electrode type and liquid type. So we controlled these variables to confirm the change of particle size distribution and concentration of particles contained in liquid as wt%. ¡®spark in liquid¡¯ system is expected to apply nanoink by control of concentration with analysis of characteristics.
Keywords£ºSpark discharge, Nano ink, Nanoparticle, copper(Cu), Carbon(C)
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