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首页> 外文期刊>Spectrochimica acta, Part A. Molecular and biomolecular spectroscopy >A technique of purification process of single-walled carbon nanotubes with air
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A technique of purification process of single-walled carbon nanotubes with air

机译:空气净化单壁碳纳米管的工艺

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摘要

A technique of purifying SWCNTs has been developed by means of oxidizing carbonaceous particles with air using fluidized-bed. Air was introduced into the fluidized-bed by pump with controllable flux. The powders were "boiling" at a temperature of 550 degrees C for 50 min. With this technique, the flux can be controlled simply. The fluidized-bed was applied as the heating apparatus instead of rotated quartz tubes. The air and the powders can be mixed with each other more sufficiently. Characteristics of the raw and purified powder were presented using Raman spectroscopy and transmission electronic microscopy (TEM), revealing that the purified powder is free from carbonaceous particles. (c) 2006 Elsevier B.V. All rights reserved.
机译:通过使用流化床用空气氧化碳质颗粒,已经开发了纯化SWCNT的技术。通过泵以可控制的通量将空气引入流化床。将粉末在550℃的温度下“沸腾” 50分钟。利用这种技术,可以简单地控制通量。将流化床代替旋转的石英管用作加热设备。空气和粉末可以更加充分地混合。使用拉曼光谱和透射电子显微镜(TEM)展示了粗制和纯化粉末的特性,表明该纯化粉末不含碳质颗粒。 (c)2006 Elsevier B.V.保留所有权利。

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