The effect of air plasma on barrier dielectric surface in dielectric barrier discharge

被引：40

作者：

Wang, Changquan ^{[1
]}

Zhang, Guixin ^{[1
]}

Wang, Xinxin ^{[1
]}

He, Xiangning ^{[2
]}

机构：

[1] Tsinghua Univ, Dept Elect Engn, Beijing 100084, Peoples R China

[2] Zhejiang Univ, Coll Elect Engn, Hangzhou 310027, Peoples R China

来源：

APPLIED SURFACE SCIENCE | 2010年 / 257卷 / 05期

基金：

中国国家自然科学基金;

关键词：

Dielectric barrier discharge; Air plasma; Power supply; Glass; PRESSURE GLOW-DISCHARGE; ELECTRODE SURFACE; POLYPROPYLENE; DC;

D O I：

10.1016/j.apsusc.2010.08.125

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Barrier dielectric is an important part of atmospheric pressure dielectric barrier discharge (AP-DBD), which partly affects discharge characteristics. Conversely, discharge plasma also has influence on dielectric surface properties. To investigate this influence, some experiments were carried out on a home-built AP-DBD system with glass plate as barrier dielectric. Surface wettability was evaluated by water contact angles on a drop shape analysis system. The morphologies and chemical compositions of the glass sample surfaces were observed by field-emission scanning electron microscope (FESEM) and energy dispersive X-ray spectroscopy (EDS) attached to FESEM. The results show that water contact angles decrease as discharge energy increases, micro-discharge etching zones are formed into glass surface and different from the control glass in surface micro-structure and chemical compositions. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：1698 / 1702

页数：5

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