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Nature Research, Scientific Reports, 1(3), 2013

DOI: 10.1038/srep01195

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Visualization of arrangements of carbon atoms in graphene layers by Raman mapping and atomic-resolution TEM

Journal article published in 2013 by Chunxiao Cong, Kun Li, Xixiang Zhang, Ting Yu ORCID
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

In-plane and out-of-plane arrangements of carbon atoms in graphene layers play critical roles in the fundamental physics and practical applications of these novel two-dimensional materials. Here, we report initial results on the edge/crystal orientations and stacking orders of bi- and tri-layer graphene (BLG and TLG) from Raman spectroscopy and transmission electron microscopy (TEM) experiments performed on the same sample. We introduce a new method of transferring graphene flakes onto a normal TEM grid. Using this novel method, we probed the BLG and TLG flakes that had been previously investigated by Raman scattering with high-resolution (atomic) TEM.