Influence of humidity on atmospheric pressure air plasma treatment of aluminium surfaces

被引：34
作者：
Prysiazhnyi, V. [1 ]
Zaporojchenko, V. [2 ]
Kersten, H. [3 ]
Cernak, M. [1 ,4 ]
机构：
[1] Masaryk Univ, Fac Sci, Dept Phys Elect, CS-61137 Brno, Czech Republic
[2] Univ Kiel, Inst Mat Sci Multicomponent Mat, D-24143 Kiel, Germany
[3] Univ Kiel, Inst Expt & Angew Phys, D-24098 Kiel, Germany
[4] Comenius Univ, Fac Math Phys & Informat, Bratislava, Slovakia
来源：
APPLIED SURFACE SCIENCE | 2012年 / 258卷 / 14期
关键词：
Aluminium; Humid air plasma; Surface treatment; Aging effect; Surface DBD; BARRIER DISCHARGE; WETTABILITY; BEHAVIOR;
D O I：
10.1016/j.apsusc.2012.02.040
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：
Atmospheric pressure air plasma treatment of aluminium surfaces and its aging behaviour in different environments were studied. Two types of aluminium samples with different purity and surface morphology were treated using the diffuse coplanar surface barrier discharge (DCSBD). Surface free energy (SFE) and X-ray photoelectron spectroscopy (XPS) have been utilised to characterise changes induced by the plasma. A significant decrease of hydrocarbon contaminants after the plasma treatment was observed. It is concluded that besides the re-contamination by exposure to ambient air, the aging effect, i.e. decrease of the surface free energy of plasma treated surfaces, can be due by dehydration of aluminium oxide layer. Also, it was observed that the humid air plasma treatment resulted in generation of -NOx surface groups. (C) 2012 Elsevier B. V. All rights reserved.
引用
收藏
页码：5467 / 5471
页数：5
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