Effect of the growth temperature on the diameter distribution and chirality of single-wall carbon nanotubes

被引:777
|
作者
Bandow, S [1 ]
Asaka, S
Saito, Y
Rao, AM
Grigorian, L
Richter, E
Eklund, PC
机构
[1] Inst Mol Sci, Res Ctr Mol Mat, Okazaki, Aichi 444, Japan
[2] Inst Mol Sci, Equipment Dev Ctr, Okazaki, Aichi 444, Japan
[3] Mie Univ, Dept Elect & Elect Engn, Tsu, Mie 514, Japan
[4] Univ Kentucky, Dept Phys & Astron, Lexington, KY 40506 USA
[5] Univ Kentucky, Ctr Appl Energy Res, Lexington, KY 40506 USA
关键词
D O I
10.1103/PhysRevLett.80.3779
中图分类号
O4 [物理学];
学科分类号
0702 ;
摘要
Pulsed laser vaporization of a heated, Fe/Ni or Co/Ni catalyzed, carbon target in argon gas has been used to synthesize single-wall carbon nanotubes (SWNTs). Electron microscopy, x-ray diffraction, and Raman spectroscopy were all used to study the effect of the catalyst on the tube yield, and the evolution of the tube diameter distribution with increasing growth environment temperature T. By controlling the temperature in the range 780 < T < 1050 degrees C, we have been able to tune the diameter of the tubules from similar to 0.81 to similar to 1.51 nm. The threshold temperature for significant SWNT production was found to be similar to 850 degrees C.
引用
收藏
页码:3779 / 3782
页数:4
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