A novel flexible plasma array for large-area uniform treatment of an irregular surface

Baowang LIU; Fei QI; Dejiang ZHOU; Lanlan NIE; Yubin XIAN; Xinpei LU

doi:10.1088/2058-6272/ac2725

Plasma Science and Technology > 2022 > 24(3): 035403. > DOI: 10.1088/2058-6272/ac2725

Baowang LIU, Fei QI, Dejiang ZHOU, Lanlan NIE, Yubin XIAN, Xinpei LU. A novel flexible plasma array for large-area uniform treatment of an irregular surface[J]. Plasma Science and Technology, 2022, 24(3): 035403. DOI: 10.1088/2058-6272/ac2725

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A novel flexible plasma array for large-area uniform treatment of an irregular surface

State Key Laboratory of Advanced Electromagnetic Engineering and Technology, Huazhong University of Science and Technology, Wuhan 430074, People's Republic of China

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Author Bio:
Yubin XIAN: E-mail: yubin.xian@hotmail.com
Received Date: June 02, 2021
Revised Date: September 05, 2021
Accepted Date: September 14, 2021
Available Online: January 29, 2024
Published Date: March 03, 2022

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Abstract

Abstract

In this work, we demonstrate a flexible multi-pin plasma generator with movable electrodes, which can change the shape of the electrode array freely, and then provide a large-area uniform plasma for the treatment of surfaces of different shapes. Discharge characteristics including U–I waveforms and discharge images and sterilization performance under three different electrode configurations (flat–flat, flat–curve, curve–curve) are investigated. Very similar results are acquired between the flat–flat configuration and the curve–curve configuration, which is much better than that under flat–curve configuration. This flexible multi-pin plasma generator offers a simple method to treat different irregularly shaped surfaces uniformly with a single device. Moreover, this device provides a foundation for developing a self-adaption large-scale uniform plasma generator by further introducing automatic adjustment of the position of every electrode driven by motors with discharge current feedback in the following study. Thus it will promote the applications of atmospheric-pressure cold plasmas significantly.
- flexible multi-pin electrode,
- large-area uniform plasma,
- sterilization

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References (30)

References

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