碳纤维表面镍镀层的XPS分析

来源期刊:中国有色金属学报2011年第1期

论文作者:华中胜 姚广春 马佳 张志刚 梁李斯

文章页码:165 - 170

关键词:碳纤维;镍镀层;XPS分析;结合能

Key words:carbon fibers; nickel layers; XPS analysis; binding energy

摘    要:采用电镀法制备镀镍碳纤维,应用X射线光电子能谱(XPS)分析技术研究涂层化学成分、元素化学状态及其随镀层深度的变化。结果表明:镀层表面的镍被氧化成NiO;中间镀层由单质镍组成,同时吸附少量O2;在镀层与碳纤维的界面处形成Ni—C—O键,此化学键为镀层与纤维之间提供了强大的界面结合力。基于对镀层的XPS分析,探讨镍在纤维表面的沉积过程。

Abstract: Nickel coated carbon fibers were prepared by electroplating method. The chemical ingredients, chemical states of various elements and their variation with the depth of the coating were studied by using X-ray photoelectron spectroscopy (XPS). The results indicate that the nickel on the surface of the layers is oxidized into NiO. The intermediate layers are composed of pure nickel, meanwhile absorbing a spot of O2. At the interface between the coatings and carbon fibers, the nickel-carbon-oxygen bonds form, which provides the powerful binding force between nickel layers and carbon fibers. Based on the XPS analysis of the nickel layers, the deposition process of nickel on carbon fibers was discussed.

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