INVESTIGATION ON THE SILVER NANOPARTICLE SYNTHESIS MACHINE FOR INSTANT USAGES IN AGRICULTURE AND AQUACULTURE BASED ON PLASMA METHOD

Abstract

The silver nanoparticle synthesis machine based on the plasma method comprises of a high voltage
power supply, a water micro-pump, a reaction chamber containing molybdenum cathode and silver
anode emerged in liquid water. Plasma was generated between these two sinked adjacent electrodes.
Anode material is dissolved into water as positive ions and immediately reduced in plasma
environment to form nanoparticles. In our experiment, the solution’s color rapidlychanges from that of
pure water to yellow one, showing the successful synthesis of nanoparticles. The particle production
rates were measured by weighing the anode before and after plasma. Theyhold rather constant, about
3.3mg/min. The UV - vis absorption spectrum of the nano solution exhibits a peak at 408nm
coresponding to the surface plasma resonant of silver nanoparticles. According to the TEM picture, nano
particles in the solution are in spherical form and quite homogenous, about 10nm. It is able to use the
silver nanoparticle synthesis machine with simple structure for agricultural and aquaculture families
because it is easy to operate and raw materials consist of bulk silver and distilled water.