Nano Archive

Continuous synthesis of multiwalled carbon nanotubes from xylene using the swirled floating catalyst chemical vapor deposition technique

Yah, Clarence Suh and Iyuke, Sunny E. and Simate, Geoffrey Simate (2011) Continuous synthesis of multiwalled carbon nanotubes from xylene using the swirled floating catalyst chemical vapor deposition technique. Journal of Materials Research, 26 (5). 640 -644. ISSN 0884-2914

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Abstract

This work reports the continuous and large-scale production of multiwalled carbon nanotubes (MWCNTs) from xylene/ferrocene in a swirled floating catalyst chemical vapor deposition reactor using argon as the carrier gas. The concentration of ferrocene used was 0.01 g/mL of xylene. In every run, 50-mL xylene gas was used together with xylene/ferrocene mixture injected into the reactor by means of a burette. The MWCNTs produced were characterized using the transmission electron microscopy (TEM) and Raman spectra. TEM analysis showed a poor production rate at 850 °C and a good production in the range of 900–1000 °C with optimal production rate at 950 °C. Furthermore, xylene/ferrocene mixture produced more MWCNTs at 950 °C with H:Ar (1:7) as the carrier gas. The diameters of the MWCNTs in the temperatures studied ranged from 15 to 95 nm with wall thicknesses between 0.5 and 0.8 nm.

Item Type:Article
Subjects:Material Science > Nanofabrication processes and tools
Technology > Manufacturing processes for nanotechnology
Material Science > Nanostructured materials
Divisions:Faculty of Engineering, Science and Mathematics > School of Engineering Sciences
ID Code:10671
Deposited By:Clarence Suh Yah
Deposited On:02 Apr 2011 20:58
Last Modified:07 Apr 2011 06:36

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