Browsing by Subject "Transition metal dichalcogenides"
Now showing items 1-9 of 9
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Controlled synthesis of transition metal dichalcogenide thin films for electronic applications
(2014)Two dimensional transition metal dichalcogenides (TMDs) are exciting materials for future applications in nanoelectronics, nanophotonics and sensing. In particular, sulfides and selenides of molybdenum (Mo) and tungsten ... -
High Selectivity and Sensitivity in Chemiresistive Sensing of Co(II) Ions with Liquid-Phase Exfoliated Functionalized MoS2: A Supramolecular Approach
(2023)Chemical sensing of water contamination by heavy metal ions is key as it represents a most severe environmental problem. Liquid-phase exfoli-ated two-dimensional (2D) transition metal dichalcogenides (TMDs) are suitable ... -
Investigation of growth-induced strain in monolayer MoS2 grown by chemical vapor deposition
(2020)Two-dimensional materials such as transitional metal dichalcogenides exhibit unique optical and electrical properties. Here we report on the varying optical properties of CVD grown MoS2 monolayer flakes with different ... -
PtSe2 grown directly on polymer foil for use as a robust piezoresistive sensor
(2019)Robust strain gauges are fabricated by growing PtSe2layers directly on top of flexible polyimide foils. These PtSe2layers are grown by low-temperature, thermally-assisted conversion of predeposited Pt layers. Under applied ... -
Solution Processed Semiconducting Nanosheet Networks Towards Optoelectronic Applications
(Trinity College Dublin. School of Physics. Discipline of Physics, 2024)Two-dimensional (2D) semiconducting transition metal chalcogenides (TMDs) are attractive materials owing to their superb electronic and optoelectronic properties. The great advancement of material exfoliation and thin film ... -
Solution-Processed Heterojunction Photodiodes Based on WSe2 Nanosheet Networks
(2023)Solution-processed photodetectors incorporating liquid-phase-exfoliatedtransition metal dichalcogenide nanosheets are widely reported. However,previous studies mainly focus on the fabrication of photoconductors, ratherthan ... -
Synthesis and Characterisation of Transition Metal Dichalcogenides and their Heterostructures
(Trinity College Dublin. School of Chemistry. Discipline of Chemistry, 2021)Since the first isolation of graphene in 2004 the interest in 2D materials has exponentially grown. Two-dimensional layered materials demonstrate profoundly different properties when isolated in their mono- or few layer ... -
Terahertz spectroscopy of amorphous WSe2 and MoSe2 thin films
(2018)Time domain spectroscopy is used to determine the THz electromagnetic response of amorphous transition metal dichalcogenides WSe2and MoSe2 in thin-film form. The dielectric function is obtained using a rigorous ... -
Unveiling Charge-Transport Mechanisms in Electronic Devices Based on Defect-Engineered MoS2 Covalent Networks
(2023)Device performance of solution-processed 2D semiconductors in printed electronics has been limited so far by structural defects and high interflake junction resistance. Covalently interconnected networks of transition metal ...