Excitonic devices with van der Waals heterostructures: valleytronics meets twistronics
Abstract 2D semiconducting transition metal dichalcogenides comprise an emerging class of
materials with distinct properties, including large exciton binding energies that reach …
materials with distinct properties, including large exciton binding energies that reach …
Excitons and emergent quantum phenomena in stacked 2D semiconductors
The design and control of material interfaces is a foundational approach to realize
technologically useful effects and engineer material properties. This is especially true for two …
technologically useful effects and engineer material properties. This is especially true for two …
Bandgap engineering of two-dimensional semiconductor materials
Semiconductors are the basis of many vital technologies such as electronics, computing,
communications, optoelectronics, and sensing. Modern semiconductor technology can trace …
communications, optoelectronics, and sensing. Modern semiconductor technology can trace …
Interlayer exciton formation, relaxation, and transport in TMD van der Waals heterostructures
Van der Waals (vdW) heterostructures based on transition metal dichalcogenides (TMDs)
generally possess a type-II band alignment that facilitates the formation of interlayer excitons …
generally possess a type-II band alignment that facilitates the formation of interlayer excitons …
Signatures of moiré-trapped valley excitons in MoSe2/WSe2 heterobilayers
The formation of moiré patterns in crystalline solids can be used to manipulate their
electronic properties, which are fundamentally influenced by periodic potential landscapes …
electronic properties, which are fundamentally influenced by periodic potential landscapes …
Evidence for moiré excitons in van der Waals heterostructures
Recent advances in the isolation and stacking of monolayers of van der Waals materials
have provided approaches for the preparation of quantum materials in the ultimate two …
have provided approaches for the preparation of quantum materials in the ultimate two …
Exciton physics and device application of two-dimensional transition metal dichalcogenide semiconductors
Two-dimensional group-VI transition metal dichalcogenide semiconductors, such as MoS2,
WSe2, and others, exhibit strong light-matter coupling and possess direct band gaps in the …
WSe2, and others, exhibit strong light-matter coupling and possess direct band gaps in the …
Ultrafast dynamics in van der Waals heterostructures
Van der Waals heterostructures are synthetic quantum materials composed of stacks of
atomically thin two-dimensional (2D) layers. Because the electrons in the atomically thin 2D …
atomically thin two-dimensional (2D) layers. Because the electrons in the atomically thin 2D …
Interlayer valley excitons in heterobilayers of transition metal dichalcogenides
Stacking different two-dimensional crystals into van der Waals heterostructures provides an
exciting approach to designing quantum materials that can harness and extend the already …
exciting approach to designing quantum materials that can harness and extend the already …
Room-temperature electrical control of exciton flux in a van der Waals heterostructure
Devices that rely on the manipulation of excitons—bound pairs of electrons and holes—hold
great promise for realizing efficient interconnects between optical data transmission and …
great promise for realizing efficient interconnects between optical data transmission and …