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Preparation of silver nanoparticles in a high voltage AC arc in water
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Preparation of silver nanoparticles in a high voltage AC arc in water
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Journal Article
Preparation of silver nanoparticles in a high voltage AC arc in water
2021
Overview
The article presents for the first time the synthesis of silver nanoparticles in an electric arc of high-voltage alternating current with a frequency of 50 Hz. In particular, the method and apparatus necessary for the preparation of nanoparticles in water solution is discussed. Current–voltage characteristics depending on the mutual distance between the electrodes are presented which show a very high stability of the generated discharge phenomena. The obtained nanoparticles were examined using various analytical techniques such as UV–Vis spectroscopy, dynamic light scattering (DLS), zeta potential, energy dispersive X-Ray analysis (EDS), X-ray diffraction (XRD), and X-ray fluorescence (EDXRF). The morphology, surface and size of the obtained nanoparticles was carried out using transmission electron microscopy (TEM) and scanning TEM (STEM) equipped with the annual dark-field imaging scanning atomic-scale chemical mapping (STEM). The designed simple power supply unit consisting of an autotransformer and a microwave oven transformer (MOT) makes the preparation of silver nanoparticles both simple and economical.
Publisher
Springer International Publishing,Springer Nature B.V
Subject
/ Applied and Technical Physics
/ Current voltage characteristics
/ Energy dispersive X ray analysis
/ Materials Science: Nanoparticles/Nanomaterials and Applications 2020
/ Photon correlation spectroscopy
/ Scanning transmission electron microscopy
/ Silver
/ Transmission electron microscopy
/ Voltage
