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Chargetransferbased Gas Sensing Using Atomiclayer MoS2 ...

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· Twodimensional (2D) molybdenum disulphide (MoS2) atomic layers have a strong potential to be used as 2D electronic sensor components. However, …

Phosphorescent MoS2 quantum dots as a temperature sensor ...

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· By contrast, the carbon dot/PVA composites were incapable of sensing environmental temperature due to their weak hydrogen bonding with the hydroxyl groups of PVA matrices. Additionally, this study reveals the potential of the FLMoS 2 QD/PVA composites as an advanced security ink for anticounterfeiting and encryption applications.

Highly selective and reversible NO2 gas sensor using ...

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· [14] Kumar R, Goel N and Kumar M 2018 High performance NO2 sensor using MoS2 nanowires network Appl. Phys. Lett. 112 53502. Go to reference in article Crossref Google Scholar [15] Kumar R, Goel N and Kumar M 2017 UVactivated MoS2 based fast and reversible NO2 sensor at room temperature ACS Sensors 2 1744–52. Go to reference in article ...

Markedly different adsorption behaviors of gas molecules ...

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The defective MoS2 based gas sensors may be more sensitive to CO2, N2 and H2O molecules than pristine MoS2 based ones. CO, NO, O2 and NH3 molecules were found to chemisorb at the S vacancy site and thus modify the electronic properties of defective monolayer MoS2.

A novel MoS2 structures for electrochemical detection of 4 ...

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· A novel twodimensional MoS2 microspheres has been synthesised by a facile hydrothermal method. XRD, SEM, FTIR and Raman spectroscopy analysis were carried out to identify the phase, structural and functional groups. MoS2 sensor has been fabricated on glassy carbon (GC) electrode for the detection of 4aminophenol (4AP) in a phosphate buffer solution (pH ). The …

Mechanically exfoliated MoS2 nanosheets decorated with ...

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· Due to its unique physical, chemical and surface electronic properties, molybdenum disulfide (MoS2) nanosheets open up a new avenue for nitrogen dioxide (NO2) detection at room temperature. Nevertheless, the gas sensing properties of pure MoS2 nanosheets are inevitably degenerated by the adsorption of atmospheric oxygen, which results in weak stability for …

A Biaxial Strain Sensor Using a Single MoS2 Grating ...

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· In this paper, we report a new type of MoS2based grating sensor for inplane biaxial strain gauges with a precision limit of ~ 1‰. The MoS2 grating is numerically simulated with different biaxial strains up to 5%. Our firstprinciples calculations reveal that the strain sensitivity of the MoS2 reflectance spectrum can be considered an additional strain sensor integrated with the grating ...

Image Sensors World: Review of MoS2 Based Photodetectors

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· Royal Society of Chemistry publishes "A review of molybdenum disulfide (MoS2) based photodetectors: from ultrabroadband, selfpowered to flexible devices" by Hari Singh Nalwa from Advanced Technology Research, CA."Twodimensional transition metal dichalcogenides (2D TMDs) have attracted much attention in the field of optoelectronics due to …

Carrier Transport Properties of MoS2 Asymmetric Gas Sensor ...

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· Over the past few years, twodimensional materials have gained immense attention for nextgeneration electric sensing devices because of their unique properties. Here, we report the carrier transport properties of MoS2 Schottky diodes under ambient as well as gas exposure conditions. MoS2 fieldeffect transistors (FETs) were fabricated using Pt and Al electrodes.

Novel PlasmonEnhanced Fluorescence Sensing Platform Based ...

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· In the meantime, rGO/MoS2 films have larger fluorescence enhancement efficiency (ca. times) according to the surfaceplasmons resonance synergy effect as compared with the single rGO and MoS2 films. This sensing platform could be put to use for the “on–off–on” detection of protamine (Pro) and heparin (Hep), having been fully ...

Chargetransferbased Gas Sensing Using Atomiclayer MoS2 ...

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· Twodimensional (2D) molybdenum disulphide (MoS2) atomic layers have a strong potential to be used as 2D electronic sensor components. However, intrinsic synthesis challenges have made this task ...

MoS2based multiple surface plasmonic coupling for ...

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· MoS2based heterostructures have received increasing attention for not only surfaceenhanced Raman scattering (SERS) but also for enhanced photoelectrocatalytic (PEC) performance. This study presents a hydrothermal method for preparing vertical MoS2 nanosheets composed of in situ grown AuNPs with small size and chemically reduced AgNPs with large …

Phosphorescent MoS2 quantum dots as a temperature sensor ...

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· Over the past few years, twodimensional materials have gained immense attention for nextgeneration electric sensing devices because of their unique properties. Here, we report the carrier transport properties of MoS2 Schottky diodes under ambient as well as gas exposure conditions. MoS2 fieldeffect transistors (FETs) were fabricated using Pt and Al electrodes.

Highly sensitive twodimensional MoS2 gas sensor decorated ...

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Molybdenum disulfide (MoS2), a kind of graphenelike, twodimensional material, has attracted great interest because of its unique properties and potential applications in electronics and sensors. In this paper, firstprinciple calculations and grand canonical Monte Carlo (GCMC) simulations are perf …

Ultra sensitive molybdenum disulfide (MoS2)/graphene based ...

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· The interconnect of MoS2 spherical nanoparticles with 2D graphene sheet offer large active surface area, which facilitate the more absorption properties of gas molecules with presence evanescent wave light. The hybrids sensor showed outstanding sensitivity (61%), rapid response (22 s) and recovery time (35%) towards NO 2 gas than bare MoS 2 sensor.

MoSe2 nanoflakes based chemiresistive sensors for ppb ...

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· The sensor was also subjected to different gases like hydrogen (H 2), oxygen (O 2), ammonia (NH 3), carbon monoxide (CO), carbon dioxide (CO 2), sulfur dioxide (SO 2), nitrogen dioxide (NO 2), nitric oxide (NO), volatile organic compounds (VOCs) like acetone (C 3 H 6 O), and ethylene (C 2 H 4) etc. utilizing the full concentration of cylinders to check the sensor’s …

Liquid phase exfoliated WS2 nanosheetbased gas sensor for ...

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· In general, carbonbased 2D materials like graphene, graphitic carbon nitride (gC 3 N 4) requires surface functionalization for gas sensing application due to their chemical inertness in nature [4, 5]. ... 2D materials for gas sensing applications: a review on graphene oxide, MoS2, WS2 and phosphorene. Sensors 18(11), 3638 (2018)

A highperformance hydrogen sensor based on a reverse ...

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· We report a MoS 2 /GaN heterojunctionbased gas sensor by depositing MoS 2 over a GaN substrate via a highly controllable and scalable sputtering technique coupled with a post sulfurization process in a sulfurrich environment. The microscopic and spectroscopic measurements expose the presence of highly crystalline and homogenous few atomic layer …

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