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Measurement of Carboxyl Group Separated from a Thin Film Copolymerized by Low-Temperature Plasma at Atmospheric Pressure of C2H2 and CO2

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Abstract:

We developed a device that makes possible the normal generation of low-temperature plasma under atmospheric pressure. For plasma generation, a radio frequency of rf (13.56 MHz) was used, for plasma gas, helium (He), and for material gases, acetylene (C2H2) and toluene (C6H5CH3) were used. As a result of measuring Fourier transform infrared (FT-IR) after adding the CO2 gas to the generated plasma, the absorption of C=O (carboxyl group) was observed around 1715 cm-1. When the flow rates of the added CO2 increased, the absorption peak increased at the same time, and we knew that this originated from the CO2 molecules.

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Periodical:

Key Engineering Materials (Volumes 321-323)

Pages:

1332-1335

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.321-323.1332

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Online since:

October 2006

Authors:

Hong Lae Sohn, Young Tae Cho, Bong Ju Lee

Keywords:

Atmospheric Pressure, c2h2, C6H5CH3, Carboxyl Group, CO2, Low-Temperature Plasma

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© 2006 Trans Tech Publications Ltd. All Rights Reserved

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