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Keyword Author: molybdenum sulfide

Electrochemical Exfoliation of MoS2 Crystal for Hydrogen Electrogeneration

Transition metal dichalcogenides (TMDs) have recently emerged within the group of 2D materials due to their electrical, catalytic and optical properties significantly enhanced and useful when down-sized to single layer. In particular, MoS2 has attracted much attention due to its semiconducting nature with a useful band gap when present as single layer, the enhanced photoluminescence, …

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Templated Electrochemical Fabrication of Hollow Molybdenum Sulfide Microstructures and Nanostructures with Catalytic Properties for Hydrogen Production

MoS2 is known to possess promising catalytic properties toward the hydrogen evolution reaction (HER). However, current synthetic procedures of nanostructured MoS2-based materials with high-density active edge sites are tedious and require high temperatures, costly instrumentation, and often rather toxic solvents. The electrochemical deposition (ED) of molybdenum sulfide films from solution-based precursors represents a more-viable approach, …

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Enhancement of electrochemical and catalytic properties of MoS2 through ball-milling

MoS2 nanosheets of one to few layer thickness present novel electronic and enhanced catalytic properties with respect to the bulk material. Here we show that a simple and highly scalable ball-milling procedure can lead to significant improvements of the electrochemical and catalytic properties of the bulk natural MoS2. We characterized the material before And after …

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Layered transition-metal dichalcogenides (MoS2 and WS2) for sensing and biosensing

Layered transition-metal dichalcogenides comprise a category of two-dimensional materials that offer exciting properties, including metallic and semi-conducting electrical capabilities, fluorescence and fast heterogeneous electron transfer. To date, these materials have mostly been employed in energy-storage and generation devices. However, in very recent times, there was a significant emerging trend in their utilization in analytical chemistry. …

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