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Showing 1 to 20 of 72 for “"Molybdenum disulfide"”.
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Molybdenum disulfide nanoporous membranes for water desalination
We demonstrate molybdenum disulfide (MoS2) as a nano porous membrane for water desalination. By performing extensive molecular dynamics simulations, we find that a nanopore in a single-layer MoS2 can effectively reject salt ions and allow transport of water at a high rate. More than 88% of ions are …
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Thermal conductivity anisotropy in molybdenum disulfide thin films
… was completed to determine the anisotropy in molybdenum disulfide, MoS2, thin films. The hexagonal crystal structure of MoS2 and recent results on tungsten diselenide, with a similar structure, lead to the belief that MoS2 may exhibit ultralow thermal conductivity. Thermal conductivities were …
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Quantum capacitance measurements of single-layer molybdenum disulfide
… of hexagonal boron nitride atop a monolayer of molybdenum disulfide were fabricated with the goal of measuring quantum capacitance and probing the transition metal dichalcogenide's density of states. In the final devices, no modulation of the quantum-capacitance was observed due to large …
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Lithium Storage Mechanisms and Electrochemical Behavior of Molybdenum Disulfide
… investigates the electrochemical behavior of molybdenum disulfide (MoS2) when utilized as an anode material in Li-ion batteries, particularly focusing on the intriguing phenomenon of extra capacity observed beyond theoretical expectations and the unique discharge curve of the first cycle. …
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Tip-based nanolithography and application to molybdenum disulfide devices
Advances in nanotechnology rely on the capability to fabricate nanometer scale structures and devices. Tip-based nanolithography (TBN) is a low-cost and versatile unconventional nanolithography technique that can be used to prototype novel devices. This dissertation reports the study of tip-based …
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High-field transport in two-dimensional graphene and molybdenum disulfide
… (2D) crystals such as graphene and molybdenum disulfide (MoS2). The excellent electrical and thermal properties of 2D materials like graphene have attracted much attention for potential applications in integrated-circuit technology. Understanding high-field transport in a …
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Strain induced mobility enhancement in monolayer two dimensional molybdenum disulfide
Submission published under a 24 month embargo labeled 'Closed Access', the embargo will last until 2027-08-01
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Electric Field Assisted Hydrogen Evolution Using Metallic Molybdenum Disulfide Catalysts
… environmental pollution issues. Metallic phase molybdenum disulfide (MoS2) has emerged as a promising non-precious metal catalyst for hydrogen evolution reaction (HER). Numerous studies have focused on enhancing its catalytic performance with complex structural engineering. Recently, field …
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Nanoscale Coherent-Acoustic-Phonon Dynamics in Molybdenum Disulfide Using Ultrafast Electron Microscopy
… anisotropic acoustic-phonon dynamics in molybdenum disulfide (MoS2) have been directly imaged on the nanometer-picosecond spatiotemporal scales in real space. MoS2 is a prototypical material system of transition metal dichalcogenides extensively studied due to the exceptional tunability …
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Preparation of oriented molybdenum disulfide thin films for photoelectrochemical energy havesting applications
Group VI layered transition metal dichacogenides (LTMDs) have been considered as good candidates of semiconductor electrodes for photoelectrochemical (PEC) solar cells due to their suitable band gap for solar energy absorption and extremely good stability. However, the scalable synthesis of bulk …
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Photoelectrochemical and photophysical studies of carbon nanotube and molybdenum disulfide based light harvesting devices
… single-wall carbon nanotubes (SWCNTs) and molybdenum disulfide (MoS2) nanolayers for their light-harvesting ability in donor-acceptor systems. These materials were studied with three specific goals: (i) introducing innovative light-harvesting designs, (ii) understanding their fundamental …
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Modeling friction force avalanches in molybdenum disulfide and spiking neuronal avalanches in mouse cortex
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2023-12-04 without embargo terms
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LabVIEW integration, the effects of plasma on carbon nanotubes, and monolayer molybdenum disulfide synthesis
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2023-09-01 without embargo terms
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Atomically thin molybdenum disulfide prepared via chemical vapor deposition and mechanical exfoliation: aging studies and reliability testing
… optoelectronic, and sensing devices. Among TMDs, molybdenum disulfide (MoS₂) stands out for its semiconducting nature, large band gap (1.9 eV for monolayer MoS₂), and high career mobility (50-200 cm²V⁻¹s⁻¹), which positions it as a key material for various applications. However, like most TMDs, …
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Electrical properties of metal semiconductor contacts - metals on MoS2: a case study
… mainly focus on metal semiconductor contacts on molybdenum disulfide (MoS2). The properties of bulk and monolayer molybdenum disulfide are discussed. The differences between the bulk and monolayer, based on band gap structure theory, are presented. Utilizing the data obtained in the literature, …
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DESCRIPTION OF POLARONS IN LAYERED TRANSITION METAL OXIDES USING THE r2SCAN DENSITY FUNCTIONAL WITH FULLY NONLOCAL CORRECTIONS AND EFFECT OF STRAIN ON THE BAND GAP OF MONOLAYER MOLYBDENUM DISULFIDE
Defects in materials significantly influence their properties and enhance functionality. Hybrid functionals like HSE06, though effective for describing defects, face challenges in geometry optimization for large supercells. The r2SCAN+rVV10+U+Ud method provides a computationally efficient …
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Atomistic modeling and simulations of 2D materials : chemical vapor deposition, nanoporous defects, force-field development, wetting, and friction
… transition metal dichalcogenides (TMDs) (e.g., molybdenum disulfide (MoS₂)), and hexagonal boron nitride (hBN), have recently received considerable attention, due to their layer-number-dependent optoelectronic, mechanical, and barrier properties. However, physical understanding of the controlled …
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OPTICAL PROPERTIES OF 2D TRANSITION METAL DICHALCOGENIDES ENHANCED BY PLASMONIC NANOSTRUCTURES
… (TMDCs) such as tungsten diselenide (WSe2) and molybdenum disulfide (MoS2) have impressive properties arising from the atomically-thin nature and have been demonstrated to be potentially useful building blocks for optoelectronic integrated circuits. An important research focus on TMDCs is their …
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