Softened elastic response and unzipping in chemical vapor deposition graphene membranes

Carlos S. Ruiz-Vargas, Houlong Zhuang, Pinshane Y. Huang, Arend M. Van Der Zande, Shivank Garg, Paul L. McEuen, David A. Muller, Richard G. Hennig, Jiwoong Park

Research output: Contribution to journalArticle

220 Citations (Scopus)

Abstract

We use atomic force microscopy to image grain boundaries and ripples in graphene membranes obtained by chemical vapor deposition. Nanoindentation measurements reveal that out-of-plane ripples effectively soften graphene's in-plane stiffness. Furthermore, grain boundaries significantly decrease the breaking strength of these membranes. Molecular dynamics simulations reveal that grain boundaries are especially weakening when subnanometer voids are present in the lattice. Finally, we demonstrate that two graphene membranes brought together form membranes with higher resistance to breaking.

Original languageEnglish (US)
Pages (from-to)2259-2263
Number of pages5
JournalNano Letters
Volume11
Issue number6
DOIs
StatePublished - Jun 8 2011
Externally publishedYes

Fingerprint

Graphite
Graphene
Chemical vapor deposition
graphene
vapor deposition
membranes
Membranes
Grain boundaries
grain boundaries
ripples
high resistance
Nanoindentation
nanoindentation
Molecular dynamics
voids
Atomic force microscopy
stiffness
Stiffness
atomic force microscopy
molecular dynamics

Keywords

  • AFM
  • CVD
  • grain boundaries
  • Graphene
  • membranes
  • molecular dynamics simulations

ASJC Scopus subject areas

  • Condensed Matter Physics
  • Bioengineering
  • Chemistry(all)
  • Materials Science(all)
  • Mechanical Engineering

Cite this

Ruiz-Vargas, C. S., Zhuang, H., Huang, P. Y., Van Der Zande, A. M., Garg, S., McEuen, P. L., ... Park, J. (2011). Softened elastic response and unzipping in chemical vapor deposition graphene membranes. Nano Letters, 11(6), 2259-2263. https://doi.org/10.1021/nl200429f

Softened elastic response and unzipping in chemical vapor deposition graphene membranes. / Ruiz-Vargas, Carlos S.; Zhuang, Houlong; Huang, Pinshane Y.; Van Der Zande, Arend M.; Garg, Shivank; McEuen, Paul L.; Muller, David A.; Hennig, Richard G.; Park, Jiwoong.

In: Nano Letters, Vol. 11, No. 6, 08.06.2011, p. 2259-2263.

Research output: Contribution to journalArticle

Ruiz-Vargas, CS, Zhuang, H, Huang, PY, Van Der Zande, AM, Garg, S, McEuen, PL, Muller, DA, Hennig, RG & Park, J 2011, 'Softened elastic response and unzipping in chemical vapor deposition graphene membranes', Nano Letters, vol. 11, no. 6, pp. 2259-2263. https://doi.org/10.1021/nl200429f
Ruiz-Vargas CS, Zhuang H, Huang PY, Van Der Zande AM, Garg S, McEuen PL et al. Softened elastic response and unzipping in chemical vapor deposition graphene membranes. Nano Letters. 2011 Jun 8;11(6):2259-2263. https://doi.org/10.1021/nl200429f
Ruiz-Vargas, Carlos S. ; Zhuang, Houlong ; Huang, Pinshane Y. ; Van Der Zande, Arend M. ; Garg, Shivank ; McEuen, Paul L. ; Muller, David A. ; Hennig, Richard G. ; Park, Jiwoong. / Softened elastic response and unzipping in chemical vapor deposition graphene membranes. In: Nano Letters. 2011 ; Vol. 11, No. 6. pp. 2259-2263.
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