2014年11月4日 · Atmospheric-pressure chemical vapor deposition (CVD) is used to grow monolayer MoS 2 two-dimensional crystals at elevated temperatures on silicon substrates with a 300 nm oxide layer.

2023年3月15日 · Control over thickness, size, and area of chem. vapor deposition (CVD) grown molybdenum disulfide (MoS2) flakes is crucial for device application. Herein, we report a quant. comparison of CVD synthesis of MoS2 on SiO2/Si substrate using three different precursors viz., molybdenum trioxide (MoO3), ammonium heptamolybdate (AHM), and tellurium (Te).

2017年5月8日 · In this work, we reveal the growth kinetics of 2D MoS 2 by capturing the nucleation seeds, evolving morphology, edge structure, and edge terminations at the atomic scale during chemical vapor...

2024年1月17日 · Here, we propose a reconfiguring nucleation chemical vapor deposition (CVD) strategy for directly synthesizing TB-MoS 2 with twist angles from 0° to 120°. The twist angles-dependent Moiré...

2018年4月27日 · Here, we study the bioabsorption of CVD-grown monolayer MoS 2, including long-term cytotoxicity and immunological biocompatibility evaluations in biofluids and tissues of live animal models....

2017年12月22日 · In this work, we present a systematic spectroscopic study of CVD-grown MoS 2, and two types of MoS 2 flakes have been identified: one type of flake contains a central nanoparticle with the multilayer MoS 2 structure, and the other is dominated by triangular flakes with monolayer or bilayer structures.

2015年11月13日 · Recent studies of structural, optical, and electrical properties of MoS 2-based atomic layers grown by CVD are reviewed, concluding that thermal vapor deposition will outperform thermal vapor sulfurization in producing the required materials. Whether gaseous sources will replace the now dominant solid sources in direct deposition methods is an ...

Here, we report the first, real time, in situ study of the CVD growth of 2D TMDCs. More specifically, the CVD growth of a molybdenum disulfide (MoS 2) monolayer on sapphire substrates has been monitored in situ using differential transmittance spectroscopy (DTS).

2023年1月1日 · In this work, we designed a gradient of sulfur (S) concentration during CVD growth of MoS 2 to investigate how S concentration affects its size and shape change. The shape of MoS 2 film changes from triangle to hexagon, then …

2024年11月5日 · The study introduces a quantitative defect measurement technique for CVD-grown monolayer MoS 2 using Raman 𝐸 1 2g mode, employing sequential data processing algorithms to reveal defect density on the film surface.