Abstract
This Study synthesized the nanosilver colloid (NSC) via arc discharge. The electric force ionizes the deionized water (DW) inter electrode gap, and the plenty of electrons and ions are attracted by opposite electricity. The electrons and ions strike surface of the electrodes, and sputter the nanosilver particles (NSP). The NSP stably suspend in the DW without surface-active agent. It is a novel and rapid preparation in the standard temperature and pressure. Although the industrial electric discharge machine (EDM) could synthesize NSC, it’s too costly and big size. The self-designing micro-EDM that can real-time monitor the processing is substitute the industrial-EDM. By the spectrophotometry, the zetasizer and the scanning electron microscope validate the properties of the NSC that synthesized by the micro-EDM. The results show that the NSC is the same as the features of nanomaterials. The energy of the discharge can be controlled, that can determine the process time. The concentration of the NSP can effectively reduce the difference between the products of the NSC. As the arcing rate (AR) and the absorption peaks are highly correlated, the concentration of the NSP can be predicted during processing. It’s a speedy and preliminary determine of the concentration.
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