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Graphene nanoribbons from carbon nanotubes
Cunha, Eunice Paula Freitas; Paiva, M. C.; Proença, M. Fernanda R. P.; Melle-Franco, M.; Costa, Florinda; Fernandes, António J.; Torres, VítorChemical functionalization of the outer graphene layer of carbon nanotubes (CNT) has been increasingly studied, aiming at the application of CNT in different areas. The functionalization of CNT using the 1,3-dipolar cycloaddition reaction, leading to the formation of cyclic amine groups on the CNT surface [1], was observed to induce the unzipping of the CNT under specific conditions. The CNTs thus functionalize...
Formation of graphene nanoribbons in solution
Paiva, M. C.; Cunha, Eunice Paula Freitas; Proença, M. Fernanda R. P.; Araújo, Rui Filipe; Costa, Florinda; Fernandes, António J.; Ferro, Marta A.Recently, the formation of graphene by exfoliation of carbon nanotubes (CNT) has shown increasing interest. This process originates graphene nanoribbons (GNR) that are expected to present excellent electrical properties, depending on their width and on their edge shape [1]. Several methods for the unzipping of graphene from CNT were proposed along the past few years [2-6]. These methods often present some limit...
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