Nano Research

, Volume 1, Issue 2, pp 116–122 | Cite as

Controlled nanocutting of graphene

  • Lijie Ci
  • Zhiping Xu
  • Lili Wang
  • Wei Gao
  • Feng Ding
  • Kevin F. Kelly
  • Boris I. Yakobson
  • Pulickel M. Ajayan
Open Access
Research Article

Abstract

Rapid progress in graphene-based applications is calling for new processing techniques for creating graphene components with different shapes, sizes, and edge structures. Here we report a controlled cutting process for graphene sheets, using nickel nanoparticles as a knife that cuts with nanoscale precision. The cutting proceeds via catalytic hydrogenation of the graphene lattice, and can generate graphene pieces with specific zigzag or armchair edges. The size of the nanoparticle dictates the edge structure that is produced during the cutting. The cutting occurs along straight lines and along symmetry lines, defined by angles of 60° or 120°, and is deflected at free edges or defects, allowing practical control of graphene nano-engineering.

Keywords

Graphene nano-engineering electronics catalytic hydrogenation 

Supplementary material

12274_2008_8020_MOESM1_ESM.mov (1 mb)
ESM 1MOV 1050 kb
12274_2008_8020_MOESM2_ESM.pdf (528 kb)
ESM 2Supplementary Material (PDF 529 kb)

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Copyright information

© Tsinghua Press and Springer-Verlag GmbH 2008

Authors and Affiliations

  • Lijie Ci
    • 1
  • Zhiping Xu
    • 1
  • Lili Wang
    • 2
  • Wei Gao
    • 1
  • Feng Ding
    • 1
  • Kevin F. Kelly
    • 2
  • Boris I. Yakobson
    • 1
  • Pulickel M. Ajayan
    • 1
  1. 1.Department of Mechanical Engineering & Materials ScienceRice UniversityHoustonUSA
  2. 2.Department of Electrical and Computer EngineeringRice UniversityHoustonUSA

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