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Cited by 273

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The Influence of Strong Electron and Hole Doping on the Raman Intensity of Chemical Vapor-Deposition Graphene

Kalbac, Martin, Reina-Cecco, Alfonso, Farhat, Hootan, Kong, Jing, Kavan, Ladislav, Dresselhaus, Mildred S.·2010·ACS Nano

Abstract

Electrochemical charging has been applied to study the influence of doping on the intensity of the various Raman features observed in chemical vapor-deposition-grown graphene. Three different laser excitation energies have been used to probe the influence of the excitation energy on the behavior of both the G and G' modes regarding their dependence on doping. The intensities of both the G and G' modes exhibit a significant but different dependence on doping. While the intensity of the G' band monotonically decreases with increasing magnitude of the electrode potential (positive or negative), for the G band a more complex behavior has been found. The striking feature is an increase of the Raman intensity of the G mode at a high value of the positive electrode potential. Furthermore, the observed increase of the Raman intensity of the G mode is found to be a function of laser excitation energy.

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Metadata

Authors
Kalbac, M., Reina-Cecco, A., Farhat, H., Kong, J., Kavan, L., & Dresselhaus, M. S.
Venue
ACS Nano
Published
2010-10-08
Volume
4
Issue
10
Pages
6055-6063
ISSN
  • 1936-0851 (ISSN-L)
  • 1936-086X
OpenAlex
W2136979982
Cited by
273
References
1
FWCI
8.03
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: The Influence of Strong Electron and Hole Doping on the Raman Intensity of Chemical Vapor-Deposition Graphene. https://app.cochat.ai/papers/10.1021/nn1010914
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Kalbac, M., Reina-Cecco, A., Farhat, H., Kong, J., Kavan, L., & Dresselhaus, M. S. (2010). The Influence of Strong Electron and Hole Doping on the Raman Intensity of Chemical Vapor-Deposition Graphene. ACS Nano. https://doi.org/10.1021/nn1010914

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