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    Process for the simultaneous and selective preparation of single-walled and multi-walled carbon nanotubes
    1.
    发明授权
    Process for the simultaneous and selective preparation of single-walled and multi-walled carbon nanotubes 有权
    同时和选择性制备单壁和多壁碳纳米管的方法

    公开(公告)号：US07955663B2

    公开(公告)日：2011-06-07

    申请号：US11934816

    申请日：2007-11-05

    申请人： Rakesh Behari Mathur ,  Chhotey Lal Nil ,  Tersem Lal Dhami ,  Bhanu Pratap Singh ,  Anil Kumar Gupta ,  Jagdish Ghawana

    发明人： Rakesh Behari Mathur ,  Chhotey Lal Nil ,  Tersem Lal Dhami ,  Bhanu Pratap Singh ,  Anil Kumar Gupta ,  Jagdish Ghawana

    IPC分类号： H01T14/00

    CPC分类号： B82Y40/00 ,  B82Y30/00 ,  C01B32/162 ,  C01B2202/02 ,  C01B2202/06 ,  Y10S427/102

    摘要： Processes for the simultaneous and selective growth of single walled and multiwalled carbon nanotubes in a single set of experiments are disclosed. The processes may include preparing a graphite electrode rod containing catalyst selected from Fe, Co, Ni, and a mixture thereof, acting as an anode. The process may include preparing another graphite electrode rod, each electrode having a distal and a proximal end. The process may include placing the above said two electrodes parallel to each other and their axis being substantially aligned in a chamber. The process may further include creating a DC-arc discharge inside the chamber by applying a DC-current voltage. The process may further include an cooling assembly having a cooling coil that surrounds the two electrodes. The cooling assembly may be used to maintain a temperature gradient that permits the depositing of single walled and multiwalled carbon nanotubes simultaneously in one experiment.

    摘要翻译： 公开了在单组实验中同时和选择性生长单壁和多壁碳纳米管的方法。 该方法可以包括制备用作阳极的含有选自Fe，Co，Ni及其混合物的催化剂的石墨电极棒。 该方法可以包括制备另一个石墨电极棒，每个电极具有远端和近端。 该过程可以包括将上述两个电极彼此平行放置，并且它们的轴基本上对齐在腔室中。 该过程还可以包括通过施加直流电压来在室内产生直流电弧放电。 该方法还可以包括具有围绕两个电极的冷却盘管的冷却组件。 冷却组件可用于保持温度梯度，其允许在一个实验中同时沉积单壁和多壁碳纳米管。