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首页> 美国卫生研究院文献>Materials >Physico-Chemical Surface Modifications of Polyetheretherketone (PEEK) Using Extreme Ultraviolet (EUV) Radiation and EUV-Induced Nitrogen Plasma
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Physico-Chemical Surface Modifications of Polyetheretherketone (PEEK) Using Extreme Ultraviolet (EUV) Radiation and EUV-Induced Nitrogen Plasma

机译：使用极端紫外（EUV）辐射和EUV诱导的氮等离子体的聚醚醚酮（PEEK）的物理化学表面改性

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In this work, the effect of extreme ultraviolet (EUV) radiation and the combination of EUV radiation and low-temperature nitrogen plasma on the physico-chemical properties of polyetheretherketone (PEEK) surfaces were presented. The laser-plasma EUV source based on a double gas puff target was used in this experiment to irradiate PEEK surfaces with nanosecond pulses of EUV radiation and to produce low-temperature plasma through the photoionization of nitrogen with EUV photons. The changes in surface morphology on irradiated polymer samples were examined using atomic force microscopy (AFM) and scanning electron microscopy (SEM). Chemical changes of the PEEK surfaces were analysed using X-ray photoelectron spectroscopy (XPS). EUV radiation and nitrogen plasma treatment caused significant changes in the topography of modified PEEK’s surfaces and an increase in their average roughness. Strong chemical decomposition, appearance of new functional groups as well as incorporation of nitrogen atoms up to ~17 at.% on the PEEK’s surface were observed.
机译：在这项工作中，提出了极端紫外（EUV）辐射和EUV辐射和低温氮等离子体组合对聚醚酮（PEEK）表面的物理化学性质的影响。在该实验中使用基于双气泵靶的激光 - 血浆EUV源，以用EUV辐射的纳秒脉冲照射PEEK表面，并通过用EUV光子的光化产生低温等离子体。使用原子力显微镜（AFM）和扫描电子显微镜（SEM）检查辐照聚合物样品的表面形态的变化。使用X射线光电子谱（XPS）分析PEEK表面的化学变化。 EUV辐射和氮等离子体处理引起了改进的PEEK表面的形貌和平均粗糙度的增加。强化化学分解，新官能团的外观以及氮原子掺入高达约〜17.％的PEEK表面上。

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