Synthesis of single-walled carbon nanotubes from aliphatic alcohols by CCVD method

Hubert Lange ,  Michał Bystrzejewski ,  Marta Domańska ,  Andrzej Huczko 

Warsaw University, Faculty of Chemistry, Pasteura 1, Warszawa 02-093, Poland


The catalytic chemical vapor deposition (CCVD) and carbon arc plasma sublimation of graphite are at present the most exploited ways of CNTs production on a large scale. On a proper choice of catalysts and process conditions depends whether the products are single- or multi-walled carbon nanotubes (SWCNTs and MWCNTs, respectively). In the case of the CCVD method also starting carbon bearing materials play crucial role for the final product. There are large variety of liquids, as well, gaseous hydrocarbons that can be used for efficient CNTs synthesis.

The objective of this work was the synthesis of the SWCNTs from ferrocene aliphatic alcohol solutions by the CCVD method. The influence of alkyl chain length on the SWCNTs synthesis was investigated. The alcohols were injected to the reactor, a quartz tube placed in a furnace, in the liquid or aerosol. The carrier gas was Ar or Ar/H2 gas mixture. The feeding rate, digitally controlled, was varied between 0.1 and 3 ml s-1. Also the temperature distribution along the furnace was the variable parameter.

The morphology of the obtained products were investigated by scanning and transmission electron microscopy (SEM and TEM, respectively). The quality of the CNTs were also analyzed by using the Raman spectroscopy.

This work was supported by the Ministry of Science and Education through the Dept. of Chemistry, Warsaw University, under Grant No. N204 096 31/2160. Author (M.B.) thanks the Foundation for Polish Science (FNP) for the financial support.

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Presentation: Poster at E-MRS Fall Meeting 2007, Symposium B, by Michał Bystrzejewski
See On-line Journal of E-MRS Fall Meeting 2007

Submitted: 2007-05-25 08:57
Revised:   2009-06-07 00:44
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