Electronic structure and optical properties of two-dimensional antimony: A first principle study

Chen, Wen; Meng, Zhisen; Liang, Junwu; Chen, Le; Chen, YuMei

doi:10.1360/sspma-2019-0098

Cited by 3 publications

(3 citation statements)

References 26 publications

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“…Le Chen et al employed the first-principles approach based on DFT to investigate the properties of antimonene comprising 1–4 layers, and the results showed that the single-layer antimonene has an indirect bandgap semiconductor state. 57 However, as the number of layers increases, antimonene turns from a semiconductor to a metal. In addition, the reflection coefficients of antimonene increase as the number of layers rises in both the low-energy and high-energy regions of photons.…”

Section: Preparation Of 2d Antimonenementioning

confidence: 99%

Advances in the synthesis and modification of two-dimensional antimonene

Cheng,

Li,

Liu

et al. 2023

Phys. Chem. Chem. Phys.

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Section: Preparation Of 2d Antimonenementioning

confidence: 99%

Advances in the synthesis and modification of two-dimensional antimonene

Cheng,

Li,

Liu

et al. 2023

Phys. Chem. Chem. Phys.

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“…Antimonene with different thickness has different electronic structure and optical properties, depending on its thickness. CHEN Wen et al [18] studied the properties of 1-4 layers of antimonene through first principle, and the results showed that 1 L and 2 L have indirect band gaps by using PBE, HSE, and modified Van der Waals (FDT-2), and 3L and 4L exhibit metal properties. At the same time, its reflection and absorption capacity were analyzed.…”

Section: Theoretical Researchmentioning

confidence: 99%

“…The mechanical and electronic properties of monomolecular membrane of antimonene can also be regulated by uniaxial and biaxial tensile strain [15][16][17]. Under tensile strain, antimonene can be transformed from an indirect band gap semiconductor to a direct one, or even semi-metal [18,19]. Especially under strong electric field, their band gap gradually closes due to the field-induced motion of near free electron states [20].…”

Section: Introductionmentioning

confidence: 99%

Research Progress and Applications of 2D Antimonene

Zhong

Zeng

et al. 2022

Applied Sciences

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Antimonene has attracted much attention due to its excellent properties such as high carrier mobility, excellent thermoelectric performance and high stability. In order to verify its theoretical advantages, a large number of experimental studies have been carried out and its applications explored. This paper mainly introduces the experimental preparation of antimonene by mechanical exfoliation, liquid phase exfoliation and epitaxial growth, summarizes the advantages and disadvantages of each method, and describes the applications of antimonene in sensor, battery, medicine and laser. Finally, prospects have been made to the future applications of antimonene in photoelectric field.

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Moiré flat bands in twisted 2D hexagonal vdW materials

Guo

Xian

2021

2D Mater.

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Moiré superlattices (MSL) in twisted bilayer graphene (TBG) and its derived structures can host exotic correlated quantum phenomena because the narrow moiré flat minibands in those systems effectively enhance the electron-electron interaction. Correlated phenomena are also observed in 2H-transitional metal dichalcogenides MSL. However, the number of moiré systems that have been explored in experiments are still very limited. Here we theoretically investigate a series of two-dimensional (2D) twisted bilayer hexagonal materials beyond TBG at fixed angles of 7.34∘ and 67.34∘ with 22 2D van der Waals layered materials that are commonly studied in experiments. First-principles calculations are employed to systemically study the moiré minibands in these systems. We find that flat bands with narrow bandwidth generally exist in these systems. Some of the systems such as twisted bilayer In2Se3, InSe, GaSe, GaS and PtS2 even host ultra-flat bands with bandwidth less than 20 meV even for such large angles, which makes them especially appealing for further experimental investigations. We further analysis the characters of moiré flat bands and provide guidance for further exploration of 2D MSL that could host strong electron correlations.

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Electronic structure and optical properties of two-dimensional antimony: A first principle study

Cited by 3 publications

References 26 publications

Advances in the synthesis and modification of two-dimensional antimonene

Advances in the synthesis and modification of two-dimensional antimonene

Research Progress and Applications of 2D Antimonene

Moiré flat bands in twisted 2D hexagonal vdW materials

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