CUED Publications database

Atomic structure of reduced graphene oxide.

Gómez-Navarro, C and Meyer, JC and Sundaram, RS and Chuvilin, A and Kurasch, S and Burghard, M and Kern, K and Kaiser, U (2010) Atomic structure of reduced graphene oxide. Nano Lett, 10. pp. 1144-1148.

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Using high resolution transmission electron microscopy, we identify the specific atomic scale features in chemically derived graphene monolayers that originate from the oxidation-reduction treatment of graphene. The layers are found to comprise defect-free graphene areas with sizes of a few nanometers interspersed with defect areas dominated by clustered pentagons and heptagons. Interestingly, all carbon atoms in these defective areas are bonded to three neighbors maintaining a planar sp(2)-configuration, which makes them undetectable by spectroscopic techniques. Furthermore, we observe that they introduce significant in-plane distortions and strain in the surrounding lattice.

Item Type: Article
Depositing User: Cron job
Date Deposited: 16 Jul 2015 13:16
Last Modified: 09 Oct 2015 01:54
DOI: 10.1021/nl9031617