On the way of making highly stable Ag nanoparticles with a narrower size distribution by microplasma

Abstract

An efficient microplasma chemistry method to synthesize highly stable Ag nanoparticles (AgNPs) that can be stored for 2 months is presented. The sucrose, maltose, lactose, and glucose are applied to stablize the produced AgNPs, respectively, and the pH value of the solution is controlled by using NaHCO 3 with different concentrations. It can be concluded that AgNPs with different sizes can be achieved by selecting different stabilizers and adjusting the pH value of solution. Finally, by checking the UV absorbance of AgNPs solution within 2 months, the stability of the AgNPs is investigated. It is found that the stability of AgNPs in water solution can also be improved by changing the pH of the solution and the kind of colloidal stabilizer.

Plasma electrochemical synthesis of silicon quantum dots

“…And because there is no need to add extra harmful substances, the synthesis process is very safe and green. In our previous work, we used atmospheric-pressure plasma-assisted electrochemistry to synthesize NCs, such as Ag nanoparticles and carbon nanoparticles [33,34].…”