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首页> 外文期刊>Chemical Physics Letters >Cold wall CVD generation of single-walled carbon nanotubes and in situ Raman scattering measurements of the growth stage
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Cold wall CVD generation of single-walled carbon nanotubes and in situ Raman scattering measurements of the growth stage

机译：单壁碳纳米管的冷壁CVD生成和生长阶段的原位拉曼散射测量

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Catalytic CVD generation of high-purity single-walled carbon nanotubes (SWNTs) without use of an electric furnace or a hot-filament is demonstrated. High-purity SWNTs were generated from alcohol used as a carbon source with Fe/Co particles supported on zeolite by Joule heating of a silicon base plate. This technique was applied for an in situ measurement of Raman scattering during the growth stage in a vacuum chamber equipped with an SPM/Raman detector. The surface temperature was measured by a systematic shift in the silicon signal and kept at 850 degreesC. The G-band intensity of the SWNT Raman spectrum increased nearly linearly with time in the growth stage after an initial rapid increase. (C) 2004 Elsevier B.V. All rights reserved. [References: 33]
机译：证明了在不使用电炉或热丝的情况下催化CVD生成高纯度单壁碳纳米管（SWNT）。通过硅基板的焦耳加热，由用作碳源的酒精生成高纯度的SWNT，其中Fe / Co颗粒负载在沸石上。该技术用于在生长阶段在配有SPM /拉曼检测器的真空室内对拉曼散射进行原位测量。通过硅信号的系统移位来测量表面温度，并将其保持在850℃。在最初的快速增加之后，SWNT拉曼光谱的G带强度在生长阶段随时间几乎呈线性增加。 （C）2004 Elsevier B.V.保留所有权利。 [参考：33]

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