
Transition metal dichalcogenide monolayers - Wikipedia
Transition-metal dichalcogenide (TMD or TMDC) monolayers are atomically thin semiconductors of the type MX 2, with M a transition-metal atom (Mo, W, etc.) and X a chalcogen atom (S, Se, or Te). One layer of M atoms is sandwiched between two layers of X atoms.
, Joel W. Ager III , Daryl Chrzan , and Ali Javey * Transition-metal dichalcogenides (TMDCs) are a class of lay-ered materials analogous to graphene, which have aroused immense interest in the last few years as a potential platform for future electronic and optoelectronic applications. [ …
Research | Ultrafast Nano-Optics Group
Transition metal dichalcogenides (TMDC): Monolayer TMDC materials like MoS2 and WSe2 are direct bandgap semiconductors with unique electronic, spin, and valley properties. Our research focuses on exciton physics, ultrafast dynamics, and valley physics in these 2D materials.
Exciton Dynamics in 2D Transition Metal Dichalcogenides
2025年2月20日 · 2D transition metal dichalcogenides (TMDCs) have emerged as a promising class of materials for broad applications. The physical properties of TMDCs are dominated by strong excitonic effects, which critically determine the performance of …
Transition metal dichalcogenide (TMDC) monolayers are promising materials for next-generation nanoscale optoelectronics, including high-speed light sources and detectors. However, most past reports on TMDC light-emitting diodes are limited to operation in high vacuum, while most applications require operation under ambient conditions.
2D transition metal dichalcogenides - Nature Reviews Materials
2017年6月13日 · Transition metal dichalcogenides (TMDCs), which are semiconductors of the type MX 2, where M is a transition metal atom (such as Mo or W) and X is a chalcogen atom (such as S, Se or Te),...
Here, we experimentally demonstrate a drastic enhancement in PL intensity for multilayer WSe2 (2−4 layers) under uniaxial tensile strain of up to 2%. Speci cally, the PL intensity of bilayer WSe2 is fi ampli ed by 35 , making it comparable to that of an unstrained fi ∼ WSe2 × monolayer.
Synthesis and Polymorph Manipulation of FeSe2 Monolayers
2024年7月5日 · Polymorph engineering involves the manipulation of material properties through controlled structural modification and is a candidate technique for creating unique two-dimensional transition metal dichalcogenide (TMDC) nanodevices. Despite its promise, polymorph engineering of magnetic TMDC monolayers has not yet been demonstrated.
Probing excitonic dark states in single-layer tungsten disulphide
2014年9月11日 · Transition metal dichalcogenide (TMDC) monolayers have recently emerged as an important class of two-dimensional semiconductors with potential for electronic and optoelectronic devices. Unlike semi-metallic graphene, layered TMDCs have a sizeable bandgap.
Synthesis and Polymorph Manipulation of FeSe 2 Monolayers
2024年7月5日 · Polymorph engineering involves the manipulation of material properties through controlled structural modification and is a candidate technique for creating unique two-dimensional transition metal dichalcogenide (TMDC) nanodevices. Despite its promise, polymorph engineering of magnetic TMDC monolayers has not yet been demonstrated.