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A seamless three-dimensional carbon nanotube graphene hybrid material

Author

Listed:
  • Yu Zhu

    (Rice University
    Richard E. Smalley Institute for Nanoscale Science and Technology, Rice University)

  • Lei Li

    (Rice University)

  • Chenguang Zhang

    (Rice University
    School of Materials Science and Engineering, Tianjin University)

  • Gilberto Casillas

    (University of Texas at San Antonio)

  • Zhengzong Sun

    (Rice University)

  • Zheng Yan

    (Rice University)

  • Gedeng Ruan

    (Rice University)

  • Zhiwei Peng

    (Rice University)

  • Abdul-Rahman O. Raji

    (Rice University)

  • Carter Kittrell

    (Rice University
    Richard E. Smalley Institute for Nanoscale Science and Technology, Rice University)

  • Robert H. Hauge

    (Rice University
    Richard E. Smalley Institute for Nanoscale Science and Technology, Rice University)

  • James M. Tour

    (Rice University
    Richard E. Smalley Institute for Nanoscale Science and Technology, Rice University
    Rice University)

Abstract

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 m2 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 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.

Suggested Citation

  • Yu Zhu & Lei Li & Chenguang Zhang & Gilberto Casillas & Zhengzong Sun & Zheng Yan & Gedeng Ruan & Zhiwei Peng & Abdul-Rahman O. Raji & Carter Kittrell & Robert H. Hauge & James M. Tour, 2012. "A seamless three-dimensional carbon nanotube graphene hybrid material," Nature Communications, Nature, vol. 3(1), pages 1-7, January.
    • Handle: RePEc:nat:natcom:v:3:y:2012:i:1:d:10.1038_ncomms2234
    DOI: 10.1038/ncomms2234
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