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

As an important component of 2D layered materials (2DLMs), the 2D group IV metal
chalcogenides (GIVMCs) have drawn much attention recently due to their earth‐abundant …

In this report, graphene (Gr) is used as a 2D electrode and monolayer WS2 as the active
semiconductor in ultrathin photodetector devices. All of the 2D materials are grown by …

Defects play a significant role in tailoring the optical properties of two-dimensional materials.
Optical signatures of defect-bound excitons are important tools to probe defective regions …

Abstract 2D transition metal dichalcogenides (2D TMDs) with energy bandgaps covering the
visible and near infrared spectral region have enormous advantages in various photonic …

Abstract 2D transition metal dichalcogenides (TMDs) have emerged as a novel class of
semiconductors with promising applications in optoelectronics, owing to their rich and …

Two-dimensional (2D) layered materials provide an ideal platform for visualizing several
quantum mechanical phenomena, such as quantum confinement, within a sheet of …

Chemical vapor deposited WS2 monolayers are subjected for the first time to controlled pure
biaxial tensile strain up to 0.7%. From photoluminescence (PL) spectroscopy, the trion and …

Reducing the dimensions of materials is one of the key approaches to discovering novel
optical phenomena. The recent emergence of 2D transition metal dichalcogenides (TMDCs) …

Transition metal dichalcogenides (TMDCs) and two-dimensional organic and inorganic
hybrid lead halide perovskites (2DPVSKs) have emerged as highly promising materials for …