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Citation: LI Zhen-Hua, JIANG Yuan, ZHAO Pei, SHANG Xue-Fu, YANG Hui, WANG Miao. Synthesis of Single-Walled Carbon Nanotube Films with Large Area and High Purity by Arc-Discharge[J]. Acta Physico-Chimica Sinica, ;2009, 25(11): 2395-2398. doi: 10.3866/PKU.WHXB20091031 shu

Synthesis of Single-Walled Carbon Nanotube Films with Large Area and High Purity by Arc-Discharge

1.
Department of Mechanics, Zhejiang University, Hangzhou 310027, P. R. China

Received Date: 20 April 2009
Available Online: 8 September 2009

A novel method to synthesize single-walled carbon nanotube (SWCNT) films with large area and high purity was introduced. An arc-discharge facility was improved by adding two graphite plates to the electrodes to form a spherical cap capacitor in the vacuum cavity so that an additional electric field of appropriate intensity could be generated. Using this new facility, single-walled carbon nanotube films of different thicknesses ranging from a few microns to amillimeter (controlled by the discharge time) were synthesized on a spherical cathode graphite plate. The film structures were characterized by field emission scanning electron microscopy (FESEM), high resolution transmission electron microscopy (HRTEM), Raman spectroscopy, and thermogravimetric analysis (TGA). Results show that this is an efficient way to produce single-walled carbon nanotube films of high purity.
- Single-walled carbon nanotube,
- Film,
- Arc-discharge method,
- Capacitor of spherical cap,
- Raman spectrum,
- Thermogravimetric analysis
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