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November 12, 2025ACS Applied Materials & Interfaces

Enhanced Triboelectric Microplasma with Incorporated Drainage Electrode

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Authors

ZYZe YangCXChengsong XiongRGRui Geng

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Overview

Experimental study demonstrates enhanced microplasma jet intensity and flame length using an incorporated drainage electrode, suggesting high utility in portable biomedical sterilization.

Key Points

  • To develop a safe, portable, and low-cost atmospheric pressure microplasma jet driven by a triboelectric nanogenerator and enhance its discharge performance using an incorporated drainage electrode.
  • Evaluated four electrode geometries to optimize dielectric barrier discharge performance powered by a triboelectric nanogenerator.
  • Investigated structural parameters, discharge current, and spectral intensity alongside theoretical and simulation modeling of electric field and potential distributions.
  • Integrated an auxiliary drainage electrode adjacent to the capillary nozzle to boost plasma generation.
  • Identified an optimal baseline configuration featuring a central wire electrode paired with a ring electrode surrounding the capillary.
  • Incorporating the drainage electrode increased the microplasma jet's spectral intensity by 53.1% compared to the design without one.
  • Achieved a 35.7% increase in plasma flame length following the addition of the drainage electrode.

Cite This Study

Yang et al. (2025) studied this question.

synapsesocial.com/papers/6aa0dd1fb59423aee28d3419https://doi.org/10.1021/acsami.5c15828
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