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Edge control of graphene domains grown on hexagonal boron nitride

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Abstract

The edge structure of graphene has a significant influence on its electronic properties. However, control over the edge structure of graphene domains on insulating substrates is still challenging. Here we demonstrate edge control of graphene domains on hexagonal boron nitride (h-BN) by modifying the ratio of working-gases. Edge directions were determined with the help of both moiré patterns and atomic-resolution images obtained via atomic force microscopy measurements. It is believed that the variation of graphene edges is mainly attributed to different growth rates of armchair and zigzag edges. This work demonstrates a potential approach to fabricate smooth-edge graphene ribbons on h-BN.

Graphical abstract: Edge control of graphene domains grown on hexagonal boron nitride

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Publication details

The article was received on 11 Apr 2017, accepted on 21 May 2017 and first published on 24 May 2017


Article type: Paper
DOI: 10.1039/C7NR02578E
Citation: Nanoscale, 2017, Advance Article
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    Edge control of graphene domains grown on hexagonal boron nitride

    L. Chen, H. Wang, S. Tang, L. He, H. S. Wang, X. Wang, H. Xie, T. Wu, H. Xia, T. Li and X. Xie, Nanoscale, 2017, Advance Article , DOI: 10.1039/C7NR02578E

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