采用可控温电弧炉,在氢气气氛中,以石墨为原料,于炉内反应室外内壁上得到反应产物,并对产物进行了XRD、TEM、HRTEM分析观察.结果表明:产物为非晶态碳纳米管,炉内温度对碳纳米管的形成和尺寸有很大影响,温度低于300℃时,炉内不形成碳纳米管,当温度高于300℃时,碳纳米管的尺寸随温度升高而增大.制备的碳纳米管的原子排列是一种短程有序排列,是非晶态结构.
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