Author:
Ouaras K.,Delacqua L. Colina,Lombardi G.,Röpcke J.,Wartel M.,Bonnin X.,Redolfi M.,Hassouni K.
Abstract
The formation of carbon nanoparticles in low pressure magnetized H2/CH4and H2/C2H2plasmas is investigated using infrared quantum cascade laser absorption, mass spectrometry, and electrostatic probe measurements. Results showed that dust formation is correlated to the presence of a significant amount of large positively charged hydrocarbon ions. Large negative ions or neutral hydrocarbon were not observed. These results, along with a qualitative comparison of diffusion and reaction characteristic, suggest that a positive ion may contribute to the growth of nanoparticles in hydrocarbon magnetized plasmas.
Publisher
Cambridge University Press (CUP)
Cited by
7 articles.
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