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Issue 32, 2017
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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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Article information


Submitted
11 Apr 2017
Accepted
21 May 2017
First published
24 May 2017

Nanoscale, 2017,9, 11475-11479
Article type
Paper

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, 9, 11475
DOI: 10.1039/C7NR02578E

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