The Growth of Carbon Nanotube with Chemical Vapor Deposition under Different Process Parameters

Whether the active catalytic species are in a liquid,solid phase,surface premelting or surface processes during CNT or other nanowire growth are controversial.In order to explore the mechanism for catalytically grown carbon nanotube （CNT）,the mechanism for CNT grown under different temperatures was...

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Bibliographic Details
Published in:Journal of Wuhan University of Technology. Materials science edition 2011-04, Vol.26 (2), p.203-207
Main Authors: Zhao, Yanli, He, Suxiang
Format: Article
Language:English
Subjects:
Carbon nanotubes
Catalysis
Catalysts
Chemical vapor deposition
Chemistry and Materials Science
Ethanol
Ethyl alcohol
Materials Science
Nanostructure
Surface chemistry
催化生长
化学气相沉积
工艺参数
生长机理
生长温度
碳纳米管
表面处理
颗粒大小
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Summary:Whether the active catalytic species are in a liquid,solid phase,surface premelting or surface processes during CNT or other nanowire growth are controversial.In order to explore the mechanism for catalytically grown carbon nanotube （CNT）,the mechanism for CNT grown under different temperatures was proposed tentatively.With ethanol chemical vapor deposition （CVD）,carbon n.anotubes （CNTs） were synthesized controllably on Si substrates using cobalt （Co） as a catalyst.The effects of the Co particle size,growth temperature and ethanol pressure on CNT growth were investigated.A different dependence of CNT growth on the Co particle size at different ranges of the growth temperature was found.
ISSN:1000-2413
1993-0437
DOI:10.1007/s11595-011-0197-1