These results were published in Communications Physics. This combination process is realized by technically controlling the gas flow in a large gap DBD, which is equipped with a thin quartz tube in a linear field. Based on this guideline, a promising method is proposed to produce diffuse APPJs by a combination of pseudo-streamer discharge and pulseless glow discharge in the positive and negative alternations of applied voltage, respectively. In their work, in contrast to the well-known streamer coupling model, an alternative train of thought is demonstrated to generate a stable and diffuse plasma by expanding and quenching the existing filamentary discharge at the initial or middle stage of the streamer development. TANG Jie from Xi'an Institute of Optics and Precision Mechanics (XIOPM) of the Chinese Academy of Sciences (CAS) demonstrate an untraditional roadmap to produce a cost-efficient diffuse plasma jet at atmospheric pressure. Developing cost-efficient diffuse APPJs represents a significant challenge for high performance in the applications mentioned above.Ī research group led by Prof. Atmospheric gas discharge is very likely to constrict into filaments and diffuse plasma formation is inefficient in most cases. As a new-type, economic, and convenient plasma technique, atmospheric-pressure plasma jets (APPJs) have received increasing attention in various applications, such as biomedical decontamination, material processing, thin film deposition, chemical analysis, and nanoscience.
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