Polyimide-Based Flexible Plasma Sheet and Surface Ionization Waves Propagation,Advanced Electronic Materials

当前位置： X-MOL 学术 › Adv. Electron. Mater. › 论文详情

Our official English website, www.x-mol.net, welcomes your feedback! (Note: you will need to create a separate account there.)

Polyimide-Based Flexible Plasma Sheet and Surface Ionization Waves Propagation
Advanced Electronic Materials ( IF 5.3 ) Pub Date : 2021-08-19 , DOI: 10.1002/aelm.202100369
Yuhao Sun ₁ , Bo Zhang ₁ , Chenxu Wang ₁ , Guanjun Zhang ₁

Affiliation

Surface discharges on flexible substrates are attracting attention for their unique capability to generate large-scale non-thermal plasma and potential adaptability to complex objects in many fields, like biomedical inactivation and material processing. Two fundamental issues are manufacture of stable flexible plasma sources and mechanism of multiple surface ionization waves (SIWs) propagation on curved gas-solid interfaces. A polyimide-based flexible plasma sheet is realized through printed circuit board with a non-exposed electrode structure for discharge and the propagation properties of SIWs along its surface are investigated by experiments and simulations. Results show that SIWs start near the high-voltage electrodes, and develop to the ground electrodes in a symmetrical petal pattern shaped by the potential gradient. The counter-propagating SIWs merge above the ground electrodes, as the electrons’ distribution converts from filament channel to a diffuse spatial distribution. Furthermore, bending the flexible sheet can change the charge density above the surface of polyimide, thus affects the space electron number density and electron temperature, but does not influence the overall appearance of SIWs propagation. This work will not only help to understand the surface process of ionization waves, but also benefit further researches on the application of flexible-material-based plasma source.

中文翻译：

聚酰亚胺基柔性等离子片和表面电离波传播

柔性基板上的表面放电因其独特的产生大规模非热等离子体的能力以及对生物医学灭活和材料加工等许多领域中复杂物体的潜在适应性而备受关注。两个基本问题是制造稳定的柔性等离子体源和在弯曲的气固界面上传播多表面电离波 (SIW) 的机制。通过具有用于放电的非暴露电极结构的印刷电路板实现了基于聚酰亚胺的柔性等离子体片，并通过实验和模拟研究了SIW沿其表面的传播特性。结果表明，SIWs 从高压电极附近开始，并以由电位梯度形成的对称花瓣图案发展到接地电极。反向传播的 SIW 在接地电极上方合并，因为电子的分布从灯丝通道转换为漫射空间分布。此外，弯曲柔性片可以改变聚酰亚胺表面上方的电荷密度，从而影响空间电子数密度和电子温度，但不影响SIWs传播的整体外观。这项工作不仅有助于了解电离波的表面过程，而且有利于进一步研究基于柔性材料的等离子体源的应用。因此影响空间电子数密度和电子温度，但不影响SIWs传播的整体外观。这项工作不仅有助于了解电离波的表面过程，而且有利于进一步研究基于柔性材料的等离子体源的应用。因此影响空间电子数密度和电子温度，但不影响SIWs传播的整体外观。这项工作不仅有助于了解电离波的表面过程，而且有利于进一步研究基于柔性材料的等离子体源的应用。

更新日期：2021-08-19

点击分享查看原文

点击收藏

阅读更多本刊最新论文本刊介绍/投稿指南11