Preparation of Aligned Carbon Nanotube Arrays by Pyrolysis of Iron(Ⅱ) Phthalocyanine and Ethylene

Chem. J. Chinese Universities

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Preparation of Aligned Carbon Nanotube Arrays by Pyrolysis of Iron(Ⅱ) Phthalocyanine and Ethylene

PENG Ai-Ping^1,2, ZHANG Hao³, WANG Zhi-Yong², SHI Zu-Jin², GU Zhen-Nan²*,CAO Gao-Ping³, GAO Li-Jun¹*

1. Department of Chemistry, Nanchang University, Nanchang 330031, China;
2. Beijing National Laboratory for Molecular Sciences, State Key Lab of Rare Earth Materials Chemistry and Applications, College of Chemistry and Molecular Engineering, Peking University, Beijing 100871,China;
3. Research Institute of Chemical Defense, Beijing 100083, China

Received:2007-05-28 Revised:1900-01-01 Online:2007-12-10 Published:2007-12-10
Contact: GU Zhen-Nan

Abstract

Abstract: Aligned carbon nanotube arrays(ACNTA) with 210 μm in length were prepared by pyrolysis of iron(Ⅱ) phthalocyanine(FePc)and ethylene(C₂H₄). The as-grown ACNTA, which were well-aligned and pure, were characterized by scanning electron microscopy(SEM), transmission electron microscopy(TEM), Raman spectrum and X-ray photoelectron spectroscopy(XPS). The influence of experimental conditions, such as temperature, growth time, and flow rate of C₂H₄ on the formation of ACNTA were systematically investigated. The results indicate that 800 ℃ was the most suitable temperature for the preparation of long ACNTA by pyrolysis of FePc and C₂H₄ , the activity of catalyst could be kept for a rather long time(60 min), the addition of C₂H₄ significantly enhanced the growth speed of ACNTA and 50 cm³/min was found to be the optimal flow rate for the formation of ACNTA.

Key words: Aligned carbon nanotube array, Iron(Ⅱ) phthalocyanine, Thermal chemical vapor deposition

CLC Number:

O614

TrendMD:

PENG Ai-Ping^1,2, ZHANG Hao³, WANG Zhi-Yong², SHI Zu-Jin², GU Zhen-Nan²*,CAO Gao-Ping³, GAO Li-Jun¹*. Preparation of Aligned Carbon Nanotube Arrays by Pyrolysis of Iron(Ⅱ) Phthalocyanine and Ethylene[J]. Chem. J. Chinese Universities, doi: .

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Preparation of Aligned Carbon Nanotube Arrays by Pyrolysis of Iron(Ⅱ) Phthalocyanine and Ethylene

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