Growth of aligned single-walled carbon nanotubes under ac electric fields through floating catalyst chemical vapour deposition

doi:10.1088/1009-1963/14/10/024

中国物理B ›› 2005, Vol. 14 ›› Issue (10): 2068-2076.doi: 10.1088/1009-1963/14/10/024

Growth of aligned single-walled carbon nanotubes under ac electric fields through floating catalyst chemical vapour deposition

窦新元¹, 周振平¹, 周建军¹, 宋礼¹, 孙连峰¹, 江鹏¹, 刘利峰¹, 赵小伟¹, 罗述东¹, 张增星¹, 刘东方¹, 王健雄¹, 高燕¹, 周维亚¹, 王刚¹, 谭平恒²

(1)Institute of Physics, Chinese Academy of Sciences, Beijing 100080, China; (2)State Key Laboratory for Superlattices and Microstructures, Institute of Semiconductors,Chinese Academy of Sciences, Beijing 100083,China

收稿日期:2005-04-20 修回日期:2005-06-08 出版日期:2005-10-20 发布日期:2005-10-20
基金资助:
Project supported by the National Natural Science Foundation of China (Grant No 10334060).

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

Received:2005-04-20 Revised:2005-06-08 Online:2005-10-20 Published:2005-10-20
Supported by:
Project supported by the National Natural Science Foundation of China (Grant No 10334060).

摘要/Abstract

摘要： 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.

关键词: carbon nanotube, chemical vapour deposition

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.

Key words: carbon nanotube, chemical vapour deposition

中图分类号: (Chemical synthesis methods)

81.16.Be

81.16.Hc (Catalytic methods) 68.47.Fg (Semiconductor surfaces) 78.67.Ch (Nanotubes) 61.46.Fg (Nanotubes) 78.30.-j (Infrared and Raman spectra)

窦新元, 周振平, 谭平恒, 周建军, 宋礼, 孙连峰, 江鹏, 刘利峰, 赵小伟, 罗述东, 张增星, 刘东方, 王健雄, 高燕, 周维亚, 王刚. Growth of aligned single-walled carbon nanotubes under ac electric fields through floating catalyst chemical vapour deposition[J]. 中国物理B, 2005, 14(10): 2068-2076.

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[J]. Chinese Physics, 2005, 14(10): 2068-2076.

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Growth of aligned single-walled carbon nanotubes under ac electric fields through floating catalyst chemical vapour deposition

Growth of aligned single-walled carbon nanotubes under ac electric fields through floating catalyst chemical vapour deposition

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