Layer-Controlled Band Gap and Anisotropic Excitons in Phosphorene

By V. Tran, Ryan Soklaski, Yufeng Liang, Li Yang. 2014

1,718 citations recorded by the source corpus.

The authors report that the band structure of few-layer black phosphorous is anisotropic and the band gap increases with the decrease in number of staking layers. The optical absorption and excitonic effects are also anisotropic.

Subfields: Atomic and Molecular Physics, and Optics, Electrical and Electronic Engineering, Materials Chemistry

View Paper: https://www.semanticscholar.org/paper/a6508c8d513a3688c692a87bfa554782c03de9ba

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In Atomic and Molecular Physics, and Optics

In Electrical and Electronic Engineering

In Materials Chemistry

Citations in the corpus

Isolation and characterization of few-layer black phosphorus (2014, background): “In particular, highly anisotropic electron and hole masses are obtained [35].”
The rising star of 2D black phosphorus beyond graphene: synthesis, properties and electronic applications (2017, background): “When the thickness of the black phosphorus crystal is reduced to nanoscale or even to a single layer, its anisotropy still exists [23, 28, 29, 47, 87–92], despite having a negative Poisson’s ratio [29].”
Edge effects on the electronic properties of phosphorene nanoribbons (2014, methodology): “A series of strategies were explored to engineer the band gap of phosphorene, for example, by utilizing multilayer structures, [5, 17] applying mechanical strains, [6, 7] forming nanoribbons [9, 12-14] or nanotubes [9].”