2020
DOI: 10.1021/acsaelm.0c00105
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Synthesis and Applications of Wide Bandgap 2D Layered Semiconductors Reaching the Green and Blue Wavelengths

Abstract: Two-dimensional semiconductors with a layered structure are now among the most extensively studied materials. The unique structural form of 2D layered semiconductors provides several benefits over other existing materials as key components in next-generation nanodevices such as transistors, photodetectors, solar cells, light emitting devices, molecular sensors, and optical imaging sensors. However, most of these studies concentrate on narrow bandgap semiconductors (bandgap E g < 2 eV) that emit/absorb in the r… Show more

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Cited by 58 publications
(38 citation statements)
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“…However, the quantum confinement leads to large exciton binding energy in 2D semiconductors. [ 39 ] This review focuses on photodetection properties that involve excitonic effects and strong light‐matter interaction; therefore, we study the optical bandgap of 2DLMs.…”
Section: Dlms: Candidates For Uv Detectionmentioning
confidence: 99%
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“…However, the quantum confinement leads to large exciton binding energy in 2D semiconductors. [ 39 ] This review focuses on photodetection properties that involve excitonic effects and strong light‐matter interaction; therefore, we study the optical bandgap of 2DLMs.…”
Section: Dlms: Candidates For Uv Detectionmentioning
confidence: 99%
“…Vapor phase deposition technique is a bottom–up method that involves the transport of precursors in the vapor phase to the substrate where they are absorbed, followed by nucleation and a controlled growth. [ 39,42 ] This technique overcomes the limitations of exfoliation methods as it provides the advantages of controllability of uniformity and thickness of the flakes. Also, this process is compatible with the current technology and is therefore, suitable for practical applications.…”
Section: Dlms: Candidates For Uv Detectionmentioning
confidence: 99%
See 1 more Smart Citation
“…For example, bandgaps of most TMDCs are 1-2 eV [2] and black phosphorus has a thicknessdependent bandgap of 0.3-2.0 eV [16] . For applications like high-power electronics, as well as optoelectronics for emitting, sensing and communication in blue and ultraviolet range [19][20][21][22] , wide bandgap (Eg >2 eV) materials are usually needed. Therefore, it is of interest to explore 2D semiconductors with wide bandgaps.…”
Section: Introductionmentioning
confidence: 99%
“…Изучение физических процессов в слоистых кристаллах, наиболее известным представителем которых является графит, представляет интерес, в частности, в связи с уникальной кристаллической структурой этих материалов [1]. Отличительным свойством слоистых кристаллов является легкость их механического расщепления по плоскостям, параллельным слоям.…”
Section: Introductionunclassified