Synthesis of Graphene Sheets using Microwave Plasma Torch Discharge

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Authors

TOMAN Jozef JAŠEK Ondřej JURMANOVÁ Jana

Year of publication 2016
Type Article in Proceedings
Conference HAKONE XV: International Symposium on High Pressure Low Temperature Plasma Chemistry: WITH JOINT COST TD1208 WORKSHOP: Non-equilibrium plasmas with liquids for water and surface treatment
MU Faculty or unit

Faculty of Science

Citation
Field Plasma physics
Keywords microwave plasma; torch discharge; graphene flakes
Description In this work a synthesis of two-dimensional graphene related materials (GRM) in microwave plasma torch (MPT) discharge was studied. The MPT discharge operates at atmospheric pressure conditions in argon atmosphere. The discharge was driven by a microwave generator set to standard frequency of 2.45 GHz. Liquid ethanol vapours were led to the discharge by carrying gas - argon, was selected as a precursor. Decomposition of ethanol, at specific deposition conditions, led to synthesis of graphene flakes. Created samples were analysed using Raman spectroscopy and electron microscopy. The discharge was examined by optical emission spectroscopy.
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