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arXiv · 1208.2309

Estimation of Young's Modulus of Graphene by Raman Spectroscopy

Jae-Ung Lee·Duhee Yoon·Hyeonsik Cheong
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Abstract

The Young's modulus of graphene is estimated by measuring the strain applied by a pressure difference across graphene membranes using Raman spectroscopy. The strain induced on pressurized graphene balloons can be estimated directly from the peak shift of the Raman G band. By comparing the measured strain with numerical simulation, we obtained the Young's modulus of graphene. The estimated Young's modulus values of single- and bi-layer graphene are 2.4\pm0.4 TPa and 2.0\pm0.5 TPa, respectively.

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Jae-Ung Lee, Duhee Yoon, Hyeonsik Cheong. 2012-08-11. Estimation of Young's Modulus of Graphene by Raman Spectroscopy. https://doi.org/10.1021/nl301073q

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