Journal
NANO LETTERS
Volume 14, Issue 7, Pages 4107-4113Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nl5016848
Keywords
Graphene; extreme strains; tensile-MEMS; femtopipette; clamping; graphene
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Funding
- NanoNextNL, a micro and nanotechnology consortium of the government of The Netherlands
- European Research Council under European Union [335879]
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Theoretical calculations have predicted that extreme strains (>10%) in graphene would result in novel applications. However, up to now the highest reported strain reached similar to 1.3% Here, we demonstrate uniaxial strains >10% by pulling graphene using a tensile-MEMS. To prevent it from slipping away it was locally clamped with epoxy using a femtopipette. The results were analyzed using Raman spectroscopy and optical tracking. Furthermore, analysis proved the process to be reversible and nondestructive for the graphene.
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