Atomic defects, being the most prevalent zero-dimensional topological defects, are
ubiquitous in a wide range of 2D transition-metal dichalcogenides (TMDs). They could be …

Atomically thin materials such as graphene and monolayer transition metal dichalcogenides
(TMDs) exhibit remarkable physical properties resulting from their reduced dimensionality …

Semiconductor technology is currently based on the manipulation of electronic charge;
however, electrons have additional degrees of freedom, such as spin and valley, that can be …

Resolving momentum degrees of freedom of excitons, which are electron-hole pairs bound
by the Coulomb attraction in a photoexcited semiconductor, has remained an elusive goal …

Group 6 transition metal dichalcogenides (G6-TMDs), most notably MoS2, MoSe2, MoTe2,
WS2 and WSe2, constitute an important class of materials with a layered crystal structure …

Phonon-assisted photon upconversion holds great potential for numerous applications, eg,
optical refrigeration. However, traditional semiconductors face energy gain limitations due to …

The optical selection rules for interband transitions in WSe 2, WS 2, and MoSe 2 transition
metal dichalcogenide monolayers are investigated by polarization-resolved …

We have investigated the exciton dynamics in transition metal dichalcogenide monolayers
using time-resolved photoluminescence experiments performed with optimized time …

The optical properties of transition metal dichalcogenide monolayers are widely dominated
by excitons, Coulomb-bound electron–hole pairs. These quasi-particles exhibit giant …

Monolayer transition metal dichalcogenides have strong Coulomb-mediated many-body
interactions. Theoretical studies have predicted the existence of numerous multi-particle …