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The confocal Raman AFM A powerful tool for the characterization of surface coatings

机译:共聚焦拉曼原子力显微镜AFM是表征表面涂层的有力工具

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摘要

The combination of an atomic force microscope (AFM) and a Confocal Raman Microscope (CRM) has been used to study various surface coatings. The high spatial resolution of the AFM enables the morphological characterization of the top layer of the coating with molecular resolution. Raman spectroscopy provides additional information on the chemical composition of the coatings. In combination with a confocal microscope, the spatial distribution of the various phases can be determined with a resolution down to 200 nm. Therefore, the topographically different structures observed in AFM images can be associated to the chemical composition by using the Confocal Raman Microscope (CRM). In addition, the confocal setup of the CRM provides insight into the multi-layer structure of coatings without laborious sample preparation.
机译:原子力显微镜(AFM)和共焦拉曼显微镜(CRM)的组合已用于研究各种表面涂层。 AFM的高空间分辨率可通过分子分辨率对涂层顶层进行形态表征。拉曼光谱学提供了有关涂层化学成分的其他信息。与共聚焦显微镜结合使用,可以以低至200 nm的分辨率确定各个相的空间分布。因此,通过使用共聚焦拉曼显微镜(CRM),可以将AFM图像中观察到的形貌不同的结构与化学成分相关联。此外,CRM的共聚焦设置无需深入的样品制备即可洞悉涂层的多层结构。

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