Solution Properties of Single-Walled Carbon Nanotubes

Naked metallic and semiconducting single-walled carbon nanotubes (SWNTs) were dissolved in organic solutions by derivatization with thionychloride and octadecylamine. Both ionic (charge transfer) and covalent solution-phase chemistry with concomitant modulation of the SWNT band structure were demons...

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Bibliographic Details
Published in:Science (American Association for the Advancement of Science) 1998-10, Vol.282 (5386), p.95-98
Main Authors: Chen, Jian, Hamon, Mark A., Hu, Hui, Chen, Yongsheng, Rao, Apparao M., Eklund, Peter C., Haddon, Robert C.
Format: Article
Language:English
Subjects:
Carbon
Carbon nanotubes
Chemistry
Climate
Doping
Exact sciences and technology
Fullerenes
General and physical chemistry
Infrared radiation
Iodine
Materials
Nanotechnology
Nanotubes
Organic Chemistry
Raman scattering
Solution properties
Solutions
Solvents
Spectral reflectance
Spectroscopy
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Summary:Naked metallic and semiconducting single-walled carbon nanotubes (SWNTs) were dissolved in organic solutions by derivatization with thionychloride and octadecylamine. Both ionic (charge transfer) and covalent solution-phase chemistry with concomitant modulation of the SWNT band structure were demonstrated. Solution-phase near-infrared spectroscopy was used to study the effects of chemical modifications on the band gaps of the SWNTs. Reaction of soluble SWNTs with dichlorocarbene led to functionalization of the nanotube walls.
ISSN:0036-8075
1095-9203
DOI:10.1126/science.282.5386.95