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Raman 2D-Band Splitting in Graphene: Theory and Experiment

Open access
Frank, Otakar, Mohr, Marcel, Maultzsch, Janina, Thomsen, Christian, Riaz, Ibtsam, Jalil, Rashid, Novoselov, Kostya S., Tsoukleri, Georgia, Parthenios, John, Papagelis, Konstantinos, Kavan, Ladislav, Galiotis, Costas·2011·ACS Nano

Abstract

We present a systematic experimental and theoretical study of the two-phonon (2D) Raman scattering in graphene under uniaxial tension. The external perturbation unveils that the 2D mode excited with 785 nm has a complex line-shape mainly due to the contribution of two distinct double resonance scattering processes (inner and outer) in the Raman signal. The splitting depends on the direction of the applied strain and the polarization of the incident light. The results give new insight into the nature of the 2D band and have significant implications for the use of graphene as reinforcement in composites since the 2D mode is crucial to assess how effectively graphene uptakes an applied stress or strain.

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Metadata

Authors
Frank, O., Mohr, M., Maultzsch, J., Thomsen, C., Riaz, I., Jalil, R., Novoselov, K. S., Tsoukleri, G., Parthenios, J., Papagelis, K., Kavan, L., & Galiotis, C.
Venue
ACS Nano
Published
2011-02-14
Volume
5
Issue
3
Pages
2231-2239
ISSN
  • 1936-0851 (ISSN-L)
  • 1936-086X
OpenAlex
W2012071323
Cited by
319
References
2
FWCI
11.15
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Raman 2D-Band Splitting in Graphene: Theory and Experiment. https://app.cochat.ai/papers/10.1021/nn103493g
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Frank, O., Mohr, M., Maultzsch, J., Thomsen, C., Riaz, I., Jalil, R., Novoselov, K. S., Tsoukleri, G., Parthenios, J., Papagelis, K., Kavan, L., & Galiotis, C. (2011). Raman 2D-Band Splitting in Graphene: Theory and Experiment. ACS Nano. https://doi.org/10.1021/nn103493g

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