Probing the Nature of Defects in Graphene by Raman Spectroscopy
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- 9 July 2012
- journal article
- research article
- Published by American Chemical Society (ACS) in Nano Letters
- Vol. 12 (8), 3925-3930
- https://doi.org/10.1021/nl300901a
Abstract
Raman spectroscopy is able to probe disorder in graphene through defect-activated peaks. It is of great interest to link these features to the nature of disorder. Here we present a detailed analysis of the Raman spectra of graphene containing different type of defects. We found that the intensity ratio of the D and D′ peak is maximum (∼13) for sp3-defects, it decreases for vacancy-like defects (∼7), and it reaches a minimum for boundaries in graphite (∼3.5). This makes Raman Spectroscopy a powerful tool to fully characterize graphene.Keywords
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