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IJPAP Vol.44(02) [February 2006] >


Title: Growth of single walled carbon nanotubes over Co-MCM-41 mesoporous molecular sieves
Authors: Somanathan, Thirunavukkarasu
Pandurangan, Arumugam
Subashini, Dayalan
Sathiyamoorthy, Dakshinamoorthy
Keywords: Single walled carbon nanotubes
Co-MCM-41
Chemical vapour deposition
Carbon nanotubes
Issue Date: Feb-2006
Publisher: CSIR
IPC CodeB82B3/00
Abstract: Highly ordered cobalt substituted MCM-41 mesoporous molecular sieves was synthesized by direct incorporation of cobalt into the MCM-41 framework through hydrothermal method. The calcined Co-MCM-41 was characterised by physico-chemical technique. The above-characterised material was tested for the application as catalytic template synthesizing single walled carbon nanotubes (SWCNTs) using acetylene as a carbon precursor by chemical vapour deposition (CVD) method in the temperature range 700-900ÂșC. The well graphitised CNTs in the pores of Co-MCM-41 was observed and confirmed by SEM and TEM. The good thermal stability and high productivity observed in this study suggest that the mesoporous molecular sieves could be a promising catalytic template for synthesizing carbon nanotubes.
Page(s): 173-176
ISSN: 0975-1041 (Online); 0019-5596 (Print)
Source:IJPAP Vol.44(02) [February 2006]

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