2018
DOI: 10.1002/adma.201803665
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Edge‐Epitaxial Growth of 2D NbS2‐WS2 Lateral Metal‐Semiconductor Heterostructures

Abstract: 2D metal-semiconductor heterostructures based on transition metal dichalcogenides (TMDs) are considered as intriguing building blocks for various fields, such as contact engineering and high-frequency devices. Although, a series of p-n junctions utilizing semiconducting TMDs have been constructed hitherto, the realization of such a scheme using 2D metallic analogs has not been reported. Here, the synthesis of uniform monolayer metallic NbS on sapphire substrate with domain size reaching to a millimeter scale v… Show more

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Cited by 124 publications
(143 citation statements)
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“…As demonstrated by the atomic model, the result confirms the existence of the hexagonal phase and a good crystal quality. Recently, monolayer metallic NbS 2 was also synthesized with a large grain size using an APCVD system . Here, the authors obtain edge lengths as large as 100 µm for as‐grown NbS 2 triangles deposited on sapphire (Figure l and the inset OM image of Figure l).…”
Section: D Metallic Tmdsmentioning
confidence: 79%
See 1 more Smart Citation
“…As demonstrated by the atomic model, the result confirms the existence of the hexagonal phase and a good crystal quality. Recently, monolayer metallic NbS 2 was also synthesized with a large grain size using an APCVD system . Here, the authors obtain edge lengths as large as 100 µm for as‐grown NbS 2 triangles deposited on sapphire (Figure l and the inset OM image of Figure l).…”
Section: D Metallic Tmdsmentioning
confidence: 79%
“…Though several p–n, p–p, and n–n junctions have been synthesized by facile CVD methods in recent years, metal–semiconductor TMD heterostructures have not yet been directly realized by the CVD approach. Recently, our group first introduced 2D NbS 2 –WS 2 lateral metal–semiconductor heterostructures deposited on a sapphire (0001) substrate using a CVD method ( Figure ) . The growth process is schematically presented in Figure a.…”
Section: Heterostructures Based On Tmd Layered Materialsmentioning
confidence: 99%
“…[ 2–7 ] In the past decades, tremendous progresses have been achieved in the synthesis of various 2H TMDs‐based lateral heterostructures and even superlattices via single‐step, two‐step, or multistep chemical vapor deposition (CVD) growth strategies. [ 8–14 ] Structure modulation and energy band engineering at the atomic‐scale interface of the lateral heterostructures, where many novel physics and potential applications have been discovered, are the core of these research works. [ 14 ]…”
Section: Introductionmentioning
confidence: 99%
“…Two‐dimensional (2D) materials with sheet‐liked structures have attracted tremendous attention in optoelectronics, electronics, and biomedicine (e.g., therapy, imaging/diagnosis, and biosensors) in recent years . So far, a large number of 2D crystals have been explored, including black phosphorus (BP), transition metal dichalcogenides (TMDCs), and transition metal oxides (TMOs) . Thanks to the weak van der Waals forces between layers, the parent layered bulk materials can be split into thin sheets with several layers .…”
Section: Introductionmentioning
confidence: 99%
“…[1][2][3][4][5][6][7][8][9] So far,alarge number of 2D crystalsh ave been explored, including black phosphorus (BP), transition metal dichalcogenides (TMDCs), and transition metal oxides (TMOs). [10][11][12][13][14] Thankst ot he weak van der Waals forces between layers, the parent layered bulk materials can be split into thin sheets with several layers. [15,16] These layered crystals exhibit appealingphysical and chemical characteristics such as semiconducting behavior,n onlinear optics, and valleytronics as well.…”
Section: Introductionmentioning
confidence: 99%