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. 2017 Apr 11;7:46478. doi: 10.1038/srep46478

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This work is licensed under a Creative Commons Attribution 4.0 International License. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in the credit line; if the material is not included under the Creative Commons license, users will need to obtain permission from the license holder to reproduce the material. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/

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AFM images of rGO on (A) pyramidal and (B) planar Si substrate with the scan size is 5 μm. The morphology in (A) reveals a good distribution of graphene on pyramidal Si and some series corrugations resulted from the stack of the rGO flakes are observed in (B).