Synthesis of nano carbons using plasma reactor

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We are presenting a method of continuous synthesis of nano carbons from a gaseous hydrocarbon feedstock in our plasma reactor system. Controlling the operation parameters of the non-equilibrium inert/hydrocarbon gas plasma from our in-house designed systems allows for hydrocarbon conversion efficiencies of up to 90 %. We are showing a strong dependence on crystallinity and morphology of the product on plasma properties according to varied operating parameters such as gas composition and power rating. Transmission electron microscopy was employed to determine the nanostructure of material from different sets of parameters. Crystallinity of samples was determined by Raman spectroscopy and thermogravimetric analysis. BET surface area measurements of as synthesized samples reached up to 300 m2/g. Some amounts of a gaseous by-product evolved during plasma processing was qualified and quantified by gas chromatography.

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Journal: TechConnect Briefs
Volume: 1, Nanotechnology 2014: Graphene, CNTs, Particles, Films & Composites
Published: June 15, 2014
Pages: 45 - 48
Industry sector: Advanced Materials & Manufacturing
Topics: Carbon Nano Structures & Devices, Graphene & 2D-Materials
ISBN: 978-1-4822-5826-4