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Solubility and Electrical Response of Single Walled Carbon Nanotubes with Thiolate Mediated Gold Nanoparticle Attachment

Published online by Cambridge University Press:  01 February 2011

Jingbiao Cui ,
Charles P. Daghlian  and
Ursula J. Gibson
Charles P. Daghlian
Affiliation:
Rippel Electron Microscope Facility, Dartmouth College, Hanover NH 03755, U.S.A.
Ursula J. Gibson
Affiliation:
Thayer School of Engineering, Dartmouth College, Hanover, NH 03755, U.S.A.
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Abstract

Dodecanethiol-stabilized-Au nanoparticles are successfully attached to the sidewall of as-grown single walled carbon nanotubes (SWCNTs) via a simple approach. This provides a straightforward method to functionalize and dissolve SWCNTs of full length in organic solvents. The modified nanotubes exhibit dramatic increase in tube resistance and strong gate dependence with a memory effect, which is explained in terms of nanotube structure deformation induced by surface thiolation. The mechanism for Au particle attachment is shown to be via dodecanethiol groups.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 858: Symposium HH – Functional Carbon Nanotubes , 2004 , HH13.24
Copyright
Copyright © Materials Research Society 2005

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References

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