期刊
NATURE COMMUNICATIONS
卷 3, 期 -, 页码 -出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/ncomms2234
关键词
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资金
- AFOSR [FA9550-09-1-0581]
- Lockheed Martin Corporation through the LANCER IV Program
- Sandia National Laboratory
- AFRL through Universal Technology Corporation [FA8650-05-D-5807]
- ONR MURI programme [00006766, N00014-09-1-1066]
- AFOSR MURI programme [FA9550-12-1-0035]
- Division Of Materials Research
- Direct For Mathematical & Physical Scien [1103730] Funding Source: National Science Foundation
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 >2,000 m(2) g(-1) 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 sp(2) 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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