engleski

Aromatic compounds in dust forming plasmas

The formation of aromatic compounds, as for example benzene, is of particular interest not only in the context of gas discharge physics but also for combustion processes and for astrophysical environments. Aromatic compounds have been considered for example to be a candidate for enhanced aerosol formation in the polar region of Jupiter [1] and they are also considered to be important for the generation of soot particles during combustion in hydrocarbon flames. Allamandolla et al. [5] proposed polycyclic aromatic hydrocarbons (PAH) to be the decisive intermediate for the production of carbonaceous interstellar solid particles. According to their model the first step in the formation of PAH’ s is the production of the phenyl radical C6H5 starting from the acetylene molecule. Despite their importance in the fields of astrophysics and combustion theory they are only a few papers [2, 3] dealing with the formation of aromatic (hydrocarbon) rings in plasma chemical reactors. We report here about experiments performed in capacitively and inductively coupled (low temperature) hydrocarbon discharges.

Plasma

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