Investigation of atmospheric pressure plasma slit jet with complex electromagnetic excitation and plasma chemistry

The project will investigate the radio frequency plasma slit jet (PSJ) employing deceleration structures for the plasma excitation at atmospheric pressure. PSJ is an interesting plasma source which coupling principle differs from standard dielectric barrier discharge configurations like parallel-plate (planar), co-planar or jet. Its operation raises a fundamental question about the influence of electromagnetic (EM) field intensity and Poynting vector on the plasma excitation and propagation either in free atmosphere or when interacting with surfaces. The versatility of atmospheric pressure plasma source allows investigating the complex plasma chemistry with aerosols and at cryogenic conditions for damage-free etching and creation of different hierarchical nanostructured surfaces. One of the aims is to obtain information about the EM field of the PSJ from both, theoretical and experimental, points of view and assess the influence of the EM field, gas dynamics, nanostructured surfaces and an addition of aerosols on the time and spatial development of the PSJ discharges.