Self-organization in 1 atm DC glows with liquid anodes: current understanding and potential applications

Abstract

Self-organization refers to the spontaneous generation of spatially or temporally organized patterns in an otherwise disordered system. Self-organization is ubiquitous in plasma physics particularly in the low-pressure regime as observed in astrophysical jets or plasma loaded flux loops that form on the surface of the Sun. In recent times, self-organization in atmospheric pressure plasmas has captured the attention of researchers. Its occurrence has been observed in DBD discharges as well as DC 1 atm glows with liquid electrodes. The mechanism of pattern formation is still not well understood. Here we briefly review the current understanding of pattern formation in DC glows with liquid anode, surveying past work, application areas, theories on mechanisms of formation from the context of reaction diffusion systems, current experimental work and computational progress towards predicting pattern formation.

Cold atmospheric plasma for addressing the COVID‐19 pandemic

“…Recently, CAP‐activated liquid media has been applied as an antimicrobial agent that represents another important approach in the field of plasma biomedicine (Figure 5a ). [ 78 , 79 , 80 , 81 , 82 ] These media efficiently inactivate bacteria and viruses by inducing damage to biological macromolecules. For example, plasma‐activated water (PAW) inactivated ɸ174, T4, and MS2 bacteriophages similarly to direct plasma treatment.…”

The effect of water activated by nonthermal air plasma on the growth of farm plants: Case of maize and barley

“…Plasma treatment of water is typically generated by the application of cold plasma on the water surface or underneath water using different plasma sources. [22][23][24] Hybrid plasma−water systems, for example, plasma aerosol, [25,26] or plasma in liquid with gas bubbles, [27] are also efficient. The treatment typically creates an acidified environment (depending on the type of liquid/water used and its buffering capacity), which results in changes of the redox potential, electrical conductivity, and especially in the formation of RONS.…”

The 2022 Plasma Roadmap: low temperature plasma science and technology

“…The 2017 Plasma Roadmap summarized how the development of pulsed plasmas (with sub 50 ns electrical or optical excitation) and microplasmas (scales from 1 to 1000 µm) have opened new areas of research by enabling generation of plasmas in previously unexplored media, including liquids, supercritical fluids (SCFs), and dense plasmas at interfaces. In the past 5 years this field has advanced significantly through the creation of plasmas in an expanding multitude of phases of matter [18], including high-pressure sparks [19], laser breakdown of high-pressure gases [20], plasmaliquid interfaces [21], and cavitating bubbles [22], as well as by advancing the ability to diagnose and model these plasmas. This research has changed the concept of what constitutes a 'plasma', expanding it beyond the traditional notion of an ionized gas into ionized states of liquids, SCFs, and multiphase media.…”