Atomic Layer MoS2xTe2(1–x) Ternary Alloys: Two-Dimensional van der Waals Growth, Band gap Engineering, and Electrical Transport

Kim, Dong Hwan; Oh, Guen Hyung; Kim, Ansoon; Shin, Chae Ho; Park, Jonghoo; Kim, Sang Il; Kim, Tae‐Wan

doi:10.1021/acsami.0c11154

Cited by 9 publications

(8 citation statements)

References 33 publications

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“…In this regard, flat substrate materials (such as silicone, metal blocks, glass, etc. ) − or cubic ,,− and sheet-like nano-/microscale templates (such as salt crystals, graphene, etc. ) ,, are highly useful.…”

Section: Ssrs For the Synthesis Of Nanomaterialsmentioning

confidence: 99%

Solid-State Reaction Synthesis of Nanoscale Materials: Strategies and Applications

et al. 2022

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Nanomaterials (NMs) with unique structures and compositions can give rise to exotic physicochemical properties and applications. Despite the advancement in solution-based methods, scalable access to a wide range of crystal phases and intricate compositions is still challenging. Solid-state reaction (SSR) syntheses have high potential owing to their flexibility toward multielemental phases under feasibly high temperatures and solvent-free conditions as well as their scalability and simplicity. Controlling the nanoscale features through SSRs demands a strategic nanospace-confinement approach due to the risk of heat-induced reshaping and sintering. Here, we describe advanced SSR strategies for NM synthesis, focusing on mechanistic insights, novel nanoscale phenomena, and underlying principles using a series of examples under different categories. After introducing the history of classical SSRs, key theories, and definitions central to the topic, we categorize various modern SSR strategies based on the surrounding solid-state media used for nanostructure growth, conversion, and migration under nanospace or dimensional confinement. This comprehensive review will advance the quest for new materials design, synthesis, and applications.

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Section: Ssrs For the Synthesis Of Nanomaterialsmentioning

confidence: 99%

Solid-State Reaction Synthesis of Nanoscale Materials: Strategies and Applications

et al. 2022

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“…Inset shows the atomic structure of the alloy. (C) The shifting of VB of MoS 2x Te 2(1−x) as a function of S ( Kim et al., 2020 ) (D) Device structure of OLED. (E) Current density and luminance–voltage curve of the fabricated OLEDs ( Kwon et al., 2021 ).…”

Section: Resultsmentioning

confidence: 99%

“… (C) The shifting of VB of MoS 2x Te 2(1−x) as a function of S ( Kim et al., 2020 ) (D) Device structure of OLED. …”

Section: Resultsmentioning

confidence: 99%

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Review of strategies toward the development of alloy two-dimensional (2D) transition metal dichalcogenides

et al. 2021

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Summary Atomically thin two-dimensional (2D) transition metal dichalcogenides (TMDCs) have attracted significant attention owing to their prosperity in material research. The inimitable features of TMDCs triggered the emerging applications in diverse areas. In this review, we focus on the tailored and engineering of the crystal lattice of TMDCs that finally enhance the efficiency of the material properties. We highlight several preparation techniques and recent advancements in compositional engineering of TMDCs structure. We summarize different approaches for TMDCs such as doping and alloying with different materials, alloying with other 2D metals, and scrutinize the technological potential of these methods. Beyond that, we also highlight the recent significant advancement in preparing 2D quasicrystals and alloying the 2D TMDCs with MAX phases. Finally, we highlight the future perspectives for crystal engineering in TMDC materials for structure stability, machine learning concept marge with materials, and their emerging applications.

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“…Recently, it has been used to grow tunable MoS 2(1-x) Te 2x alloy films wherein Se and Te are both from MO precursors. [146] New efforts for diversifying doped and alloyed samples grown by MOCVD should be spent on exploring metal or magnetic dopants and their corresponding MO precursors with a high or intermediate vapor pressure. It has been found that even with only CH-free molecules such as W(CO) 6 and H 2 Se involved in MOCVD of WSe 2 , the carbon impurities with a concentration of 225 ppm were still detected via STM/STS.…”

Section: Discussionmentioning

confidence: 99%

Controllable Thin‐Film Approaches for Doping and Alloying Transition Metal Dichalcogenides Monolayers

et al. 2021

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Two‐dimensional (2D) transition metal dichalcogenides (TMDs) exhibit exciting properties and versatile material chemistry that are promising for device miniaturization, energy, quantum information science, and optoelectronics. Their outstanding structural stability permits the introduction of various foreign dopants that can modulate their optical and electronic properties and induce phase transitions, thereby adding new functionalities such as magnetism, ferroelectricity, and quantum states. To accelerate their technological readiness, it is essential to develop controllable synthesis and processing techniques to precisely engineer the compositions and phases of 2D TMDs. While most reviews emphasize properties and applications of doped TMDs, here, recent progress on thin‐film synthesis and processing techniques that show excellent controllability for substitutional doping of 2D TMDs are reported. These techniques are categorized into bottom–up methods that grow doped samples on substrates directly and top–down methods that use energetic sources to implant dopants into existing 2D crystals. The doped and alloyed variants from Group VI TMDs will be at the center of technical discussions, as they are expected to play essential roles in next‐generation optoelectronic applications. Theoretical backgrounds based on first principles calculations will precede the technical discussions to help the reader understand each element's likelihood of substitutional doping and the expected impact on the material properties.

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Atomic Layer MoS_2xTe_2(1–x) Ternary Alloys: Two-Dimensional van der Waals Growth, Band gap Engineering, and Electrical Transport

Cited by 9 publications

References 33 publications

Solid-State Reaction Synthesis of Nanoscale Materials: Strategies and Applications

Solid-State Reaction Synthesis of Nanoscale Materials: Strategies and Applications

Review of strategies toward the development of alloy two-dimensional (2D) transition metal dichalcogenides

Controllable Thin‐Film Approaches for Doping and Alloying Transition Metal Dichalcogenides Monolayers

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