This paper proposes a method for creating silicon nanotubes in electric arc plasma, by evaporating the anode material and collection it on the cathode. During the experiments, various types of power sources were tested. Silicon nanotubes of complex configuration in the form of a straight stem with cylindrical branch and single-wall curved nanotubes were obtained. The obtained nanotubes will be able to find further application in light-emittingdiodes, lithium-ion batteries, and photovoltaics.
The paper describes the synthesis of germanium nanotubes in an argon microarc. The article presents the results of two experiments. The evaporation of germanium atoms was carried out from the surface of single-crystal germanium, which served as the anode of the microarc discharge. The synthesis of nanotubes was observed on the surface of a molybdenum cathode in the first experiment and on the surface of a graphite rod in the second experiment. The diameters of the obtained germanium nanotubes reach 800-900nm.
The paper presents the results of the synthesis of silicon nanospheres (silicon fullerenes) in argon plasma. During the experiment, silicon atoms were evaporated from the surface of a single crystal using a plasma jet. Silicon atoms were entrained by the flow of argon plasma and, as the plasma cooled, formed in the form of spherical structures several atomic layers thick or in the form of silicon nanotubes. The diameters of silicon nanospheres range from 50 nm to 15 microns, and silicon nanotubes - from 40 to 100 nm.
This paper presents a method of synthesis of silicon nanowires in microarc argon plasma. During the experiment, an adjustable direct current source with a ballast resistor was used. The cathode was a molybdenum rod, and the anode was silicon. The silicon was located in a small deepening in a graphite rod. During the experiment, synthesis of silicon nanowires was observed on the surface of molybdenum rod. The obtained silicon nanowires are straight and non-hollow inside, nanowires have a smooth surface and have a hexagonal cross-section. The resulting nanowires will be able to find further application in light emitting diodes, lithium-ion batteries, supercapacitors, photovoltaics.
This paper describes the experimental setup and outlines the original methodology for conducting an experiment on growing germanium nanostructures. The obtained samples were examined with an electron microscope. It is shown that this technique allows one to grow both germanium nanotubes and germanium.
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