The exciton, an excited electron–hole pair bound by Coulomb attraction, plays a key role in
photophysics of organic molecules and drives practically important phenomena such as …

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 …

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

Understanding and controlling disorder is key to nanotechnology and materials science.
Traditionally, disorder is attributed to local fluctuations of inherent material properties such …

The strong light-matter interaction and the valley selective optical selection rules make
monolayer (ML) MoS 2 an exciting 2D material for fundamental physics and optoelectronics …

A lack of inversion symmetry coupled with the presence of time‐reversal symmetry endows
2D transition metal dichalcogenides with individually addressable valleys in momentum …

Two-dimensional transition metal dichalcogenides (TMDCs) present extraordinary
nonlinearities and direct bandgaps at the K and K′ valleys. These valleys can be optically …

In recent years, two-dimensional (2D) van der Waals materials have emerged as a focal
point in materials research, drawing increasing attention due to their potential for isolating …

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 …

Abstract Two-dimensional (2D) transition metal dichalcogenide (TMDC) materials, such as
MoS 2, WS 2, MoSe 2, and WSe 2, have received extensive attention in the past decade due …