Fluorination of carbon fibres in atmospheric plasma

被引：57
作者：
Ho, Kingsley Kin Chee
Lee, Adam F.
Bismarck, Alexander [1 ]
机构：
[1] Imperial Coll London, Dept Chem Engn, PaCE Grp, London SW7 2AZ, England
[2] Univ York, Dept Chem, York YO10 5DD, N Yorkshire, England
来源：
CARBON | 2007年 / 45卷 / 04期
基金：
英国工程与自然科学研究理事会;
关键词：
D O I：
10.1016/j.carbon.2006.11.015
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：
Carbon fibres were successfully fluorinated in atmospheric-pressure plasma. By treating carbon fibres in a chlorodifluoromethane containing nitrogen atmospheric-pressure plasma, we were able to introduce fluorine groups to the surface of the carbon fibres. XPS confirms the presence of fluorine moieties on the carbon fibre surfaces. Measured contact angles confirm a significantly increased hydrophobicity of the treated carbon fibres. Zeta-potential measurements showed that acidic character of carbon fibres was increased. Although exposure of the carbon fibres to the atmospheric plasma jet causes surface sputtering; XRD analysis, Raman spectroscopy and conductivity measurements performed on the treated fibres show that atmospheric plasma treatment only modifies the surface of the carbon fibres without affecting the bulk properties. (c) 2006 Elsevier Ltd. All rights reserved.
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页码：775 / 784
页数：10
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