首页> 外文期刊>International journal of nanomechanics science and technology >APPLICATION OF RAMAN SPECTROSCOPY FOR THE ASSESSMENT OF ADSORPTION CHARACTERISTICS AND ANALYSIS OF STRUCTURAL PROPERTIES OF MWCNT
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APPLICATION OF RAMAN SPECTROSCOPY FOR THE ASSESSMENT OF ADSORPTION CHARACTERISTICS AND ANALYSIS OF STRUCTURAL PROPERTIES OF MWCNT

机译:拉曼光谱在多壁碳纳米管吸附特性评估及结构性能分析中的应用

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摘要

Multi-walled carbon nanotubes (MWCNT) are investigated using Raman spectroscopy, thermo-gravimetry, high-resolution transmission electron microscopy, and low-temperature nitrogen adsorption. The direct assessment of CNT structural parameters involves application of such methods as high-resolution transmission electron microscopy, which, despite its informative value, is a quite demanding and time-consuming method of analysis that requires expensive equipment. The possibility of using Raman spectroscopy for a comparative analysis of the MWCNT adsorption characteristics and structural properties is shown. This method helps in determining not only the relative magnitude of defects in the structure, but also provides approximate estimation of such parameters as the CNT diameter and number of layers.
机译:使用拉曼光谱,热重分析,高分辨率透射电子显微镜和低温氮吸附研究了多壁碳纳米管(MWCNT)。碳纳米管结构参数的直接评估涉及高分辨率透射电子显微镜等方法的应用,尽管它具有参考价值,但它是一种非常昂贵的分析方法,需要昂贵的设备。显示了使用拉曼光谱法对MWCNT吸附特性和结构特性进行比较分析的可能性。该方法不仅有助于确定结构中缺陷的相对大小,而且还可以提供诸如CNT直径和层数之类的参数的近似估计。

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