Tip-enhanced nano-spectroscopy and-imaging have significantly advanced our
understanding of low-dimensional quantum materials and their interactions with light …

Semiconductors in all dimensionalities ranging from 0D quantum dots and molecules to 3D
bulk crystals support bound electron–hole pair quasiparticles termed excitons. Over the past …

Controlling the interaction between light and matter at micro-and nano-scale can provide
new opportunities for modern optics and optoelectronics. An archetypical example is …

The tunability of the bandgap, absorption and emission energies, photoluminescence (PL)
quantum yield, exciton transport, and energy transfer in transition metal dichalcogenide …

Abstract Photoluminescence (PL), a photo-excited spontaneous emission process, provides
a wealth of optical and electronic properties of materials, which enable microscopic and …

Excitons play a dominant role in the optoelectronic properties of atomically thin van der
Waals (vdW) semiconductors. These excitons are amenable to on-demand engineering with …

With exceptional quantum confinement, 2D monolayer semiconductors support a strong
excitonic effect, making them an ideal platform for exploring light–matter interactions and as …

Localized emission in atomically thin semiconductors has sparked significant interest as
single-photon sources. Despite comprehensive studies into the correlation between …

In twisted bilayer (t2L) two-dimensional (2D) transition metal dichalcogenides, local strain at
wrinkles strongly modulates the local exciton density and PL energy resulting in an exciton …

Unconventional plasmonic materials beyond traditional noble metals extend applications of
nanotechnology to novel optical, electrical, and magnetic devices. For example, the low …