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Separation of Semiconducting from Metallic Carbon Nanotubes by Selective Functionalization with Azomethine Ylides
journal contribution
posted on 2006-05-24, 00:00 authored by Cécilia Ménard-Moyon, Nicolas Izard, Eric Doris, Charles MioskowskiA 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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trialkylaminefunctionalizedcycloadditionAzomethine Ylidespresencenanotube surfaceSeparationlignoceric acidfunctionalizationSemiconductingmethodpreorganizingSWNTsolubilizationSelective FunctionalizationSelective reactionsemiconducting carbon nanotubesazomethine ylidesoxideMetallic Carbon Nanotubesreactive ylides
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