2020年7月10日 · Here, we present an advanced approach based on ellipsometry measurements for retrieval of dielectric functions and the excitonic properties of both monolayer and bulk TMDs. Using this method, we...

2015年12月1日 · In this review, we analyze from a theoretical point of view the electronic, optical, and vibrational properties of single-layer, few-layer and bulk MoS 2. In particular, we focus on the effects of spin–orbit interaction, number of layers, and applied tensile strain on the vibrational and optical properties.

2021年9月1日 · Photocatalytic mechanisms and applications of two-dimensional (2D) MoS 2 are detailed. Strategies for tuning the electronic and optical properties of 2D MoS 2. Synthesis protocols and photoelectrochemical studies of 2D MoS 2 are summarised. MoS 2 composites for enhancing photocatalytic hydrogen production are detailed.

2024年1月1日 · In this work, the electric and optical properties of few layer MoS 2 were systematically investigated theoretically and experimentally, especially monolayer and bilayer. Firstly, the effects of different pseudopotentials on the calculation results of …

2024年4月24日 · We demonstrate all-optical and non-resonant control over valley polarization using bulk MoS2, a centrosymmetric material without Berry curvature at the valleys.

2019年9月20日 · Here, we investigate the electric field effect on optical properties of a MoS 2 monolayer and extract the dependence of MoS 2 optical constants on gating voltage. The field effect is utilised...

2024年12月2日 · This paper presents a method for continuously enhancing and modulating intensities of the optical signals of monolayer MoS 2 by deploying a wedge-like SiO 2 /Si substrate, which significantly increases signal intensities by 22.4 times for the E 2 g 1 Raman mode, 39.1 times for the A 1g Raman mode and 12.9 times for PL, respectively.

6 天之前 · Two-dimensional molybdenum disulfide (MoS2) has garnered significant interest in optoelectronics due to its direct band gap, tunable optical properties and the potential for realizing the van der ...

2025年3月21日 · Photodetectors based on two-dimensional (2D) atomically thin semiconductors suffer from low light absorption, limiting their potential for practical applications. In this work, we demonstrate high-performance MoS2 phototransistors by integrating few-layer MoS2 on a PN junction formed on a silicon (Si) substrate. The photovoltage created in the PN junction under light illumination electrically ...

2024年10月11日 · The focus of this paper is to study the effects of ultrafast optical modification on the nonlinear optical properties of mechanically exfoliated few-layer MoS 2. We find that the optical patterning significantly enhances both SHG and third harmonic generation (THG) in MoS 2, subsequently improving the conversion efficiency for both processes ...