Review of borophene and its potential applications

Wang, Zhiqiang; Lü, Tie-Yu; Wang, Hui‐Qiong; Feng, Yuan Ping; Zheng, Jin‐Cheng

doi:10.1007/s11467-019-0884-5

Cited by 247 publications

(159 citation statements)

References 172 publications

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“…With the rapid development of graphene, 2D materials, such as phosphorene, BN, germanene, antimonene, silicene, arsenene, and transition metal dichalcogen-ides, have recently arisen extensive interest. A mass of atom-thick materials have been theoretically predicted or synthesized [12][13][14][15][16]. More surprisingly, they possess different structures from graphene, owing to the different outof-plane buckling degrees [17].…”

Section: Introductionmentioning

confidence: 99%

Two-Dimensional Borophene: Properties, Fabrication, and Promising Applications

Xie¹,

Meng²,

et al. 2020

Research

111

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Monoelemental two-dimensional (2D) materials (Xenes) aroused a tremendous attention in 2D science owing to their unique properties and extensive applications. Borophene, one emerging and typical Xene, has been regarded as a promising agent for energy, sensor, and biomedical applications. However, the production of borophene is still a challenge because bulk boron has rather intricate spatial structures and multiple chemical properties. In this review, we describe its excellent properties including the optical, electronic, metallic, semiconducting, photoacoustic, and photothermal properties. The fabrication methods of borophene are also presented including the bottom-up fabrication and the top-down fabrication. In the end, the challenges of borophene in the latest applications are presented and perspectives are discussed.

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Section: Introductionmentioning

confidence: 99%

Two-Dimensional Borophene: Properties, Fabrication, and Promising Applications

Xie¹,

Meng²,

et al. 2020

Research

111

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“…Recently, borophene and its derivatives have received increasing attention since its successful realization in 2015 [1,2]. Many different types of borophene-based monolayer (ML) [3][4][5][6] structures have been proposed in theory, and they are promising for a variety of applications [7], including Dirac materials [8], lithium-sulfur batteries [9], spin-filters [10], superconducting materials [11], hydrogen storage media [12], and catalysts [13]. The borophene MLs such as the out-of-plane buckling sheets [1] and β12 and χ3 boron sheets [2] are often fabricated on metal (Ag) substrates, as a truly free-standing two-dimensional (2D) borophene is unstable according to theoretical studies [14,15].…”

Section: Introductionmentioning

confidence: 99%

Unveiling the Electric-Current-Limiting and Photodetection Effect in Two-Dimensional Hydrogenated Borophene

Hou

Wang

et al. 2019

Phys. Rev. Applied

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The electronic transport and photoelectric properties of hydrogenated borophene B4H4, which was realized in a recent experiment by Nishino, et al. [J. Am. Chem. Soc. 139, 13761 (2017)], are systematically investigated using the density functional theory and non-equilibrium Green's function methods. We find that B4H4 exhibits a perfect current-limiting effect and has high (along the zigzag direction) and low (along the armchair one) optional levels due to its strong electrical anisotropy. Moreover, B4H4 can generate sizable photocurrents under illumination, with strong photoelectronic response to blue/green light along the zigzag/armchair direction. Our work demonstrates that B4H4 is promising for the applications of current limiter and photodetectors. 

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“…For example, very ideal atomically sharp PNJ have been created [49][50][51]. In addition, with the rapid experimental advance of borophene [52][53][54][55] and the demonstration of negation refraction [8,9,21], we expect the anomalous caustics to be observable in the near future, then this study make novel MDFs (e.g. in 8-Pmmn borophene) promising to engineer Dirac electron optics devices.…”

Section: Discussionmentioning

confidence: 83%

Anomalous caustics and Veselago focusing in 8-Pmmn borophene p–n junctions with arbitrary junction directions

Zhang

Yang

2019

New J. Phys.

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Negative refraction usually demands complex structure engineering while it is very natural for massless Dirac fermions (MDFs) across the p-n junction (PNJ), this leads to Dirac electron optics. The emergent Dirac materials may exhibit hitherto unidentified phenomenon due to their nontrivial band structures in contrast to the isotropic MDFs in graphene. Here, as a specific example, we explore the negative refraction induced caustics and Veselago focusing of tilted MDFs across 8-Pmmn borophene PNJs. To this aim, we develop a technique to effectively construct the electronic Green's function (GF) in PNJs with arbitrary junction directions. Based on analytical discussions and numerical calculations, we demonstrate the strong dependence of interference pattern on the junction direction. As the junction direction perpendicular to the tilt direction, Veselago focusing or normal caustics (similar to that in graphene) appears resting on the doping configuration of the PNJs, otherwise anomalous caustics (different from that in graphene) occurs which is manipulated by the junction direction and the doping configuration. Finally, the developed GF technique is generally promising to uncover the unique transport of emergent MDFs, and the discovered anomalous caustics makes tilted MDFs potential applications in Dirac electron optics.

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Review of borophene and its potential applications

Cited by 247 publications

References 172 publications

Two-Dimensional Borophene: Properties, Fabrication, and Promising Applications

Two-Dimensional Borophene: Properties, Fabrication, and Promising Applications

Unveiling the Electric-Current-Limiting and Photodetection Effect in Two-Dimensional Hydrogenated Borophene

Anomalous caustics and Veselago focusing in 8-Pmmn borophene p–n junctions with arbitrary junction directions

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