Gas and pressure effects on the synthesis of amorphous carbon nanotubes

被引：0
|
作者：
ZHAO Tingkai
机构：
来源：
ChineseScienceBulletin | 2004年 / 24期
关键词：
amorphous carbon nanotubes; arc discharge at con- trolled temperature; effects of gas and pressure;
D O I：
暂无
中图分类号：
O613.71 [碳C];
学科分类号：
070301 ; 081704 ;
摘要：
The effects of gas, pressure and temperature on the production of amorphous carbon nanotubes were inves- tigated using an arc discharging furnace at controlled tem- perature. Co/Ni alloy powder was used as catalyst. The dis- charge current was 80 A and voltage was 32 V. The optimal parameters were obtained: 600℃ temperature, hydrogen gas and 500 torr pressure. The productivity and purity of amorphous carbon nanotubes are 6.5 gram per hour and 80%, respectively. The diameter of the amorphous carbon nanotubes is about 7—20 nm.
引用
收藏
页码：2569 / 2571
页数：3
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