Journal
JOURNAL OF PHYSICAL CHEMISTRY C
Volume 112, Issue 42, Pages 16411-16416Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jp806602t
Keywords
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Funding
- Conseil General de Maine-et-Loire
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A detailed characterization of covalently functionalized HiPco single-walled carbon nanotubes (SWNTs) has been carried out using several physicochemical methods (thermogravimetric analysis, Fourier transform infrared spectroscopy, X-ray photoelectron spectroscopy and Raman scattering). The chemical process, finally leading to SWNT-ester derivatives, starts from nitric acid purification of pristine SWNTs. Besides the efficiency of the functionalization, we show that a loss of metallic character of the carbon nanotubes is initiated by the nitric acid treatment of pristine SWNTs and is maintained in the final SWNT ester derivatives. A higher reactivity of the metallic tubes is also demonstrated.
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