Thiolation of carbon nanotubes and sidewall functionalization

Curran, S. A.; Cech, J.; Zhang, D. H.; Dewald, J. L.; Avadhanula, A.; Kandadai, M.; Roth, S.

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Thiolation of carbon nanotubes and sidewall functionalization

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Roth, S.
Abteilung v. Klitzing, Former Departments, Max Planck Institute for Solid State Research, Max Planck Society;

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Citation

Curran, S. A., Cech, J., Zhang, D. H., Dewald, J. L., Avadhanula, A., Kandadai, M., et al. (2006). Thiolation of carbon nanotubes and sidewall functionalization. Journal of Materials Research, 21(4), 1012-1018.

Cite as: https://hdl.handle.net/21.11116/0000-000F-0279-7

Abstract

We have used transmission electron microscopy to observe the structural
changes that have occurred in multi-walled carbon nanotubes (MWCNTs)
because of acid treatment. After a thiolation reaction of the
acid-treated MWCNTs using P4S10 in refluxing toluene, we have also used
electron energy loss spectroscopy to characterize the changes on the
nanotubes from sidewall functionalization. We have determined that the
sulfur content bonded to the nanotubes is 0.6% in terms of the atomic
content of the samples. Raman spectroscopy was used to examine the
vibrational changes that occurred to the nanotubes as well as
identifying new vibrational modes around 500 cm(-1) characteristic of
carbon-sulfur bonds.