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Summary form only given. The electrical and emission properties of a capillary DBD (Cap-DBD) plasma in atmospheric pressure air are reported in this work. The plasma reactor consists of metal wire electrodes inside quartz capillary tubes powered with a low kilohertz frequency AC high voltage power supply. Various reactor geometries (planar, 3-D multilayer, and circular) with no gap spacing up to a...
Dielectric barrier discharges (DBDs) produce highly nonequilibrium plasmas that allow for the effective generation of ions, excited species, and radicals from energetic electron- driven processes. DBDs have further proven to be efficient sources of intensive UV and VUV excimer radiation. In an effort to improve the production of the excited species, radicals, and UV radiation, which is strongly influenced...
Summary form only given. Various approaches have been pursued to create stable atmospheric pressure discharges by extending the lifetime of the diffuse phase of the discharge to hundreds of microseconds. Previous research showed that the stability of the diffuse mode is dependent on the frequency (in the kHz range), gas type, power, mode of the excitation, and geometrical confinement. Some of the...
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