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Interference enhancement of Raman signal of graphene
Open accessAbstract
Raman spectroscopic studies of graphene have attracted much interest. The G-band Raman intensity of a single layer graphene on Si substrate with 300nm SiO2 capping layer is surprisingly strong and is comparable to that of bulk graphite. To explain this Raman intensity anomaly, we show that in addition to the interference due to multiple reflection of the incident laser, the multiple reflection of the Raman signal inside the graphene layer must be also accounted for. Further studies of the role of SiO2 layer in the enhancement Raman signal of graphene are carried out and an enhancement factor of ∼30 is achievable, which is very significant for the Raman studies. Finally, we discuss the potential application of this enhancement effect on other ultrathin films and nanoflakes and a general selection criterion of capping layer and substrate is given.
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Citations
Cites
Experimental observation of the quantum Hall effect and Berry's phase in graphene
Zhang, Y., Tan, Y.-W., Stormer, H. L., & Kim, P. (2005) · Nature · doi:10.1038/nature04235 · Cited by 13,435
Cited by
Raman spectroscopy as a versatile tool for studying the properties of graphene
Ferrari, A. C., & Basko, D. M. (2013) · Nature Nanotechnology · doi:10.1038/nnano.2013.46 · Cited by 7,405
Raman spectroscopy of graphene-based materials and its applications in related devices
Wu, J.-B., Lin, M.-L., Cong, X., Liu, H.-N., & Tan, P.-H. (2018) · Chemical Society Reviews · doi:10.1039/c6cs00915h · Cited by 2,092
Raman spectroscopy and imaging of graphene
Ni, Z., Wang, Y., Yu, T., & Shen, Z. (2008) · Nano Research · doi:10.1007/s12274-008-8036-1 · Cited by 1,356
Self-citationPlasma-assisted fabrication of monolayer phosphorene and its Raman characterization
Lu, W., Nan, H., Hong, J., Chen, Y., Zhu, C., Liang, Z., Ma, X., Ni, Z., Jin, C., & Zhang, Z. (2014) · Nano Research · doi:10.1007/s12274-014-0446-7 · Cited by 665
Self-citationLi, H., Lu, G., Wang, Y., Yin, Z., Cong, C., He, Q., Wang, L., Ding, F., Yu, T., & Zhang, H. (2013) · Small · doi:10.1002/smll.201202919 · Cited by 659
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Metadata
- Authors
- Wang, Y. Y., Ni, Z. H., Shen, Z. X., Wang, H. M., & Wu, Y. H.
- Venue
- Applied Physics Letters
- Publisher
- AIP Publishing
- Published
- 2008-01-28
- Volume
- 92
- Issue
- 4
- ISSN
- 0003-6951 (ISSN-L)
- 1077-3118
- OpenAlex
- W1997310650
- Cited by
- 376
- References
- 1
- FWCI
- 8.08
- Type
- journal article
- Language
- en
- Open access
- green
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- Wang, Y. Y., Ni, Z. H., Shen, Z. X., Wang, H. M., & Wu, Y. H. (2008). Interference enhancement of Raman signal of graphene. Applied Physics Letters. https://doi.org/10.1063/1.2838745
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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