Synthesis of highly oriented carbon nanotube thin films by nickel functionalisation

A novel method for fabricating thin films of oriented and densely packed metal functionalised carbon nanotubes (m-CNT) on silicon substrates is described. Positively charged metal ion from their salt solution was adsorbed on carboxylic acid funtionalised (f) CNT by electrostatic interaction. Subsequ...

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Bibliographic Details
Published in:Diamond and related materials 2007-04, Vol.16 (4), p.1195-1199
Main Authors: Titus, E., Cabral, Gil, Madaleno, J.C., Neto, V.F., Shokuhfar, T., Blau, W.J., Ramesh Babu, P., Misra, D.S., Gracio, J.
Format: Article
Language:English
Subjects:
Carbon nanotubes
Cross-disciplinary physics: materials science
rheology
Exact sciences and technology
Fourier transform spectroscopy
Functionalisation
Materials science
Methods of nanofabrication
Nanocrystalline materials
Nanoscale materials and structures: fabrication and characterization
Nanotubes
Physics
Raman spectroscopy
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Description
Summary:A novel method for fabricating thin films of oriented and densely packed metal functionalised carbon nanotubes (m-CNT) on silicon substrates is described. Positively charged metal ion from their salt solution was adsorbed on carboxylic acid funtionalised (f) CNT by electrostatic interaction. Subsequently, the aqueous dispersion of m-CNT was cast on silicon substrate forming m-CNT thin films after evaporation. Thin films of f-CNT and m-CNT were characterized by Scanning Electron Microscopy (SEM), Fourier Transform Infrared (FTIR) and Raman spectroscopy analysis. The mechanism of functionalisation and orientation of CNTs is discussed briefly.
ISSN:0925-9635
1879-0062
DOI:10.1016/j.diamond.2006.11.033