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ISSN Print: 1093-3611
ISSN Online: 1940-4360
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0.1
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0.00005
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INFLUENCE OF PROCESS PARAMETERS ON STRUCTURE OF CARBON COATINGS DEPOSITED AT ATMOSPHERIC PRESSURE
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ABSTRACT
Carbon coatings were deposited on the stainless steel substrates from argon-acetylene gases mixture at atmospheric pressure by arc plasma jet chemical vapor deposition (CVD). It was obtained that the increase of the torch power leads to higher growth rate and increases surface roughness. The growth rates varied in the range of 4−750 nm/s depending on the syntheses conditions. Raman spectra indicated that the bonding structure in the coatings, obtained at 600 W torch powers, changes from the typical diamond-like/graphite-like carbon to the polymer-like carbon with the increase of the distance. The FTIR spectros-copy has shown that the absorption of coatings decreases with the increase of the wave range. The IR spectra showed clear evidence of C = C and C = O sp2 bonds and presence of sp3 CH2 symmetric (2850 cm−1) and asymmetric (2920 cm−1), and sp3 CH3 asymmetric (2960 cm−1) modes in a-C:H coatings. It was obtained that the intensity of the sp2 C = C and C = O modes becomes more intense increasing the distance.
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Marcinauskas Liutauras, Valinčius Vitas, Grigonis Alfonsas, Deposition and structure characterization of carbon films prepared at atmospheric pressure by plasma jet, Surface and Coatings Technology, 205, 2011. Crossref
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Marcinauskas Liutauras, Kavaliauskas Žydrunas, Valinčius Vitas, Carbon and Nickel Oxide/Carbon Composites as Electrodes for Supercapacitors, Journal of Materials Science & Technology, 28, 10, 2012. Crossref
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Kavaliauskas Z., Marcinauskas L., Valincius V., Influence of the Oxygen Plasma Treatment on Carbon Electrode and Capacity of Supercapacitors, Acta Physica Polonica A, 125, 6, 2014. Crossref
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Kavaliauskas Z., Marcinauskas L., Valatkevicius P., Enhanced Capacitance of Porous Carbon Electrodes through Deposition of Small Amounts of NiO, Acta Physica Polonica A, 120, 1, 2011. Crossref