CAREER NETWORK World's one of the largest Research Career Network Benefits Academic & Industry jobs Project funding Visiting faculty positions Visiting scientist positions Invited talks and more... Register FREE Journal of Nanoscience Letters 2014, 4: 1 Research Article Structural and electronic properties of graphene nanoribbons from oxidative unzipping of carbon nanotubes Darkeyah G. Reuven, Kelvin Suggs, Michael D. Williams, Xiao-Qian Wang Department of Physics and Center for Functional Nanoscale Materials, Clark Atlanta University, Atlanta, Georgia 30314, USA Abstract Longitudinal unzipping of multiwall carbon nanotubes is an effective fabrication method for generating graphene oxide nanoribbons. The nanoscale morphology and edge smoothness of unzipped graphene oxide nanoribbons have been investigated utilizing noncontact atomic force microscopy and Raman spectroscopy. First-principles dispersion-corrected density-functional calculations indicate hole-doped behavior on graphene oxide nanoribbons due to oxidative unzipping. Our findings are in good conformity with observed Raman spectroscopic blue shift of the G-band. Graphene nanoribbons provide a promising route for functionalized nanostructures. Keywords Graphene nanoribbons; Carbon nanotubes; Raman spectroscopy; Electronic structure