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 …

Semiconductors are the basis of many vital technologies such as electronics, computing,
communications, optoelectronics, and sensing. Modern semiconductor technology can trace …

Transition metal dichalcogenide (TMD) nanomaterials, especially the mono-or few-layer
ones, have received extensive research interest owing to their versatile properties, ranging …

The pioneering exfoliation of monolayer tungsten diselenide has greatly inspired
researchers toward semiconducting applications. WSe2 belongs to a family of transition …

Van der Waals (vdW) interfaces based on 2D materials are promising for optoelectronics, as
interlayer transitions between different compounds allow tailoring of the spectral response …

Efficient upconversion electroluminescence is highly desirable for a broad range of
optoelectronic applications, yet to date, it has been reported only for ensemble systems …

We experimentally demonstrate the creation of defects in monolayer WSe2 via nanopillar
imprinting and helium ion irradiation. Based on the first method, we realize atomically thin …

Due to a strong Coulomb interaction, excitons dominate the excitation kinetics in two-
dimensional (2D) materials. While Coulomb scattering between electrons has been well …

Tightly bound excitons in monolayer semiconductors represent a versatile platform to study
two-dimensional propagation of neutral quasiparticles. Their intrinsic properties, however …

Transition metal dichalcogenide (TMD) heterobilayers have emerged as a promising
platform for exploring solid-state quantum simulators and many-body quantum phenomena …