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Formation of Carbon Nanoparticle in Carbon Suboxide Pyrolysis behind Shock Waves
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J. Deppe
Published/Copyright:
September 25, 2009
The process of carbon nanoparticles formation following the pyrolysis of carbon suboxide C3O2 in the wide temperature range 1700-3700 K behind shock waves was investigated by measuring the extinction and emission profiles in the visible and IR ranges of spectra. The temperature dependence of the optical density shows two bell-shaped curves with the maxima at 1600 K and 3200 K. It is remarkable, that the ratio of extinction in the IR range (1.31 µ) to HeNe-laser (633 nm) as well as the ratio of the IR extinction to emissivity show the same temperature behavior. The possible correlation between the observed optical properties of the forming carbon particles and the change of their size and structure is discussed.
Published Online: 2009-09-25
Published in Print: 2002-05
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