Growth of aligned single-walled carbon nanotubes under ac electric fields through floating catalyst chemical vapour deposition
Dou Xin-Yuan (窦新元)a, Zhou Zhen-Ping (周振平)a, Tan Ping-Heng (谭平恒)b, Zhou Jian-Jun (周建军)a, Song Li (宋礼)a, Sun Lian-Feng (孙连峰)a, Jiang Peng (江鹏)a, Liu Li-Feng (刘利峰)a, Zhao Xiao-Wei (赵小伟)a, Luo Shu-Dong (罗述东)a, Zhang Zeng-Xing (张增星)a, Liu Dong-Fang (刘东方)a, Wang Jian-Xiong (王健雄)a, Gao Yan (高燕)a, Zhou Wei-Ya (周维亚)a, Wang Gang (王刚)a#br#
a Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China; b State Key Laboratory for Superlattices and Microstructures, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China
Abstract Through floating catalyst chemical vapour deposition(CVD) method,well-aligned isolated single-walled carbon nanotubes (SWCNTs) and their bundles were deposited on the metal electrodes patterned on the SiO2/Si surface under ac electric fields at relatively low temperature(280℃). It was indicated that SWCNTs were effectively aligned under ac electric fields after they had just grown in the furnace.The time for a SWCNT to be aligned in the electric field and the effect of gas flow were estimated. Polarized Raman scattering was performed to characterize the aligned structure of SWCNTs. This method would be very useful for the controlled fabrication and preparation of SWCNTs in practical applications.
Received: 20 April 2005
Revised: 08 June 2005
Accepted manuscript online:
Fund: Project supported by the National Natural Science Foundation of China (Grant No 10334060).
Cite this article:
Dou Xin-Yuan (窦新元), Zhou Zhen-Ping (周振平), Tan Ping-Heng (谭平恒), Zhou Jian-Jun (周建军), Song Li (宋礼), Sun Lian-Feng (孙连峰), Jiang Peng (江鹏), Liu Li-Feng (刘利峰), Zhao Xiao-Wei (赵小伟), Luo Shu-Dong (罗述东), Zhang Zeng-Xing (张增星), Liu Dong-Fang (刘东方), Wang Jian-Xiong (王健雄), Gao Yan (高燕), Zhou Wei-Ya (周维亚), Wang Gang (王刚) Growth of aligned single-walled carbon nanotubes under ac electric fields through floating catalyst chemical vapour deposition 2005 Chinese Physics 14 2068
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