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Formation of monolayer and few-layer hexagonal boron nitride nanosheets via surface segregation
Mingsheng Xu1, Daisuke Fujita, Hongzheng Chen
1State Key Laboratory of Silicon Materials, MOE Key Laboratory of Macromolecule Synthesis and Functionalization, and Department of Polymer Science and Engineering, Zhejiang University, Hangzhou, 310027, P. R. China. msxu@zju.edu.cn.
Abstract:
We report that few-layer hexagonal boron nitride (h-BN) nanosheets can be produced by using a surface segregation method. The formation of h-BN sheets is via an intermediate boron-nitrogen buffer layer. Our results suggest that surface segregation of boron and nitrogen from a solid source is an alternative approach to tailoring synthesis of h-BN sheets for potential applications such as in graphene electronics.
