Producing Carbon Nanotube Powder in a Floating Iron Catalyst LPCVD System
Large amounts of web-like CNTs were synthesized in a large scale in a floating iron catalyst chemical vapor deposition system below atmospheric pressure,using ferrocene as a catalyst precursor, cyclohexane as carbon source, H2 as carrier gas, C4H4S to C6H12 molar ratio of 4.5 × 10-3 of thiophene as a promoter, and H2 flow rate of 60 seem, under the pressure of 15 kPa, reaction temperature of 650℃. The effect of ferrocene sublimed temperature on the growth of carbon products was studied. It is found that the quantity of the CNTs were enhanced with the increase of the ferrocene amount while the quality of the CNTs became worse on the contrary. Scanning electron microscopy (SEM), Raman spectroscopy were utilized to characterize the samples.
Sulfur Effect Ferrocene Sublimed Temperature Web-like CNTs
Yannan Li Zhuo Sun Yue Chen Zhejuan Zhang Lili Wang Ting Chen Yiwei Chen Jiexin Yang
Engineering Research Center for Nanophotonics & Advanced Instrument,Ministry of Education, East Chin Shanghai Sunlights Technology Co. ,Ltd
国际会议
上海
英文
1742-1746
2007-03-12（万方平台首次上网日期，不代表论文的发表时间）