Separation of semiconducting from metallic carbon nanotubes by selective functionalization with azomethine ylides |
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Authors: | Ménard-Moyon Cécilia Izard Nicolas Doris Eric Mioskowski Charles |
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Institution: | Service de Marquage Moléculaire et de Chimie Bioorganique, DSV/DBJC, CEA/Saclay, 91191 Gif-sur-Yvette Cedex, France. |
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Abstract: | A mild and efficient method for the functionalization of SWNTs by cycloaddition of azomethine ylides derived from trialkylamine-N-oxides is described. Selective reaction of semiconducting carbon nanotubes was achieved by preorganizing the starting N-oxides on the nanotube surface prior to generating the reactive ylides. Separation of met-SWNTs from functionalized sem-SWNTs was successfully accomplished by inducing solubilization of sem-SWNTs in the presence of lignoceric acid. |
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