A seemless three-dimensional carbon nanotube graphene hybrid material



Publication Details

Zhu, Y., Li, L., Casillas, G., Sun, Z., Yan, Z., Ruan, G., Peng, Z., Raji, A. O., Kittrell, C., Hauge, R. H. & Tour, J. M. (2012). A seemless three-dimensional carbon nanotube graphene hybrid material. Nature Communications, November (2012), 1-7.


Graphene and single-walled carbon nanotubes are carbon materials that exhibit excellent electrical conductivities and large specific surface areas. Theoretical work suggested that a covalently bonded graphene/single-walled carbon nanotube hybrid material would extend those properties to three dimensions, and be useful in energy storage and nanoelectronic technologies. Here we disclose a method to bond graphene and single-walled carbon nanotubes seamlessly during the growth stage. The hybrid material exhibits a surface area 42,000m2 g1 with ohmic contact from the vertically aligned single-walled carbon nanotubes to the graphene. Using aberration-corrected scanning transmission electron microscopy, we observed the covalent transformation of sp2 carbon between the planar graphene and the single-walled carbon nanotubes at the atomic resolution level. These findings provide a new benchmark for understanding the three-dimensional graphene/ single-walled carbon nanotube-conjoined materials.

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