CONTROLLING THE FUNCTIONALIZATION OF CARBON NANOTUBES AND GRAPHENE NANOPLATELETS

Risultato della ricerca: Other

Abstract

The functionalization of carbon nanostructures by diazonium chemistry is a versatile strategy to obtain solublenanomaterials with degrees of functionalization among the highest ever reported.[1,2] Starting from thesepremises we have studied the functionalization of single, double and multi-walled carbon nanotubes and graphenenanoplatelets by addition of aryl diazonium salts generated in situ by treatment of 4-substituted anilines withisopentylnitrite. Taking advantage of highly controlled flow synthesis [3-5] and following a thorough purificationand characterization protocol (UV-vis, TGA, ATR-IR, AFM and other surface tools), we have investigated the keyparameters to obtain both functionalized nanostructures, where the amount of functional groups anchored tothe carbon surface is less than a monolayer, and superfunctionalized nanostructures with a carbon core and amultilayered aryl coating. The results outlined provides the basis for the design and controlled processing of noveldecorated carbon nanostructures that would be useful for a number of technological applications.
Lingua originaleEnglish
Numero di pagine1
Stato di pubblicazionePublished - 2013

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