Two-dimensional antimonene single crystals grown by van der Waals epitaxy

• DOI: 10.1038/ncomms13352
• Publication Date: 2016-11-15T10:11:11Z
• Authors: Jianping Ji; Xiufeng Song; Jizi Liu; Zhong Yan; Chengxue Huo; Shengli Zhang; Meng Su; Lei Liao; Wenhui Wang; Zhenhua Ni; Yufeng Hao; Haibo Zeng
• Keywords: Phosphorene; Electron Mobility

Abstract Unlike the unstable black phosphorous, another two-dimensional group-VA material, antimonene, was recently predicted to exhibit good stability and remarkable physical properties. However, synthesis of high-quality monolayer or few-layer antimonenes, sparsely reported, has greatly hindered development this new field. Here, we report van der Waals epitaxy growth antimonene monocrystalline polygons, their atomical microstructure in ambient condition. The high-quality, polygons can be synthesized on various substrates, including flexible ones, via growth. Raman spectroscopy transmission electron microscopy reveal that obtained have buckled rhombohedral atomic structure, consistent with theoretically most stable β-phase allotrope. very high antimonenes observed after aging air for 30 days. First-principle molecular dynamics simulation results confirmed compared phosphorene, is less likely oxidized possesses higher thermodynamic oxygen atmosphere at room temperature. Moreover, show electrical conductivity up 10 4 S m −1 optical transparency visible light range, promising transparent conductive electrode applications.