Colloquium: Excitons in atomically thin transition metal dichalcogenides

G Wang, A Chernikov, MM Glazov, TF Heinz… - Reviews of Modern …, 2018 - APS
Atomically thin materials such as graphene and monolayer transition metal dichalcogenides
(TMDs) exhibit remarkable physical properties resulting from their reduced dimensionality …

A review of the synthesis, properties, and applications of 2D transition metal dichalcogenides and their heterostructures

S Joseph, J Mohan, S Lakshmy, S Thomas… - Materials Chemistry and …, 2023 - Elsevier
One of the most nascent and universally accepted categories among the 2D materials is the
transition metal dichalcogenides (TMDs). The absence of bandgap in graphene fomented …

Directly visualizing the momentum-forbidden dark excitons and their dynamics in atomically thin semiconductors

J Madéo, MKL Man, C Sahoo, M Campbell, V Pareek… - Science, 2020 - science.org
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 …

2D materials advances: from large scale synthesis and controlled heterostructures to improved characterization techniques, defects and applications

Z Lin, A McCreary, N Briggs, S Subramanian… - 2D …, 2016 - iopscience.iop.org
The rise of two-dimensional (2D) materials research took place following the isolation of
graphene in 2004. These new 2D materials include transition metal dichalcogenides, mono …

Observation of chiral phonons

H Zhu, J Yi, MY Li, J Xiao, L Zhang, CW Yang… - Science, 2018 - science.org
Chirality reveals symmetry breaking of the fundamental interaction of elementary particles. In
condensed matter, for example, the chirality of electrons governs many unconventional …

Excitonic dynamics in Janus MoSSe and WSSe monolayers

T Zheng, YC Lin, Y Yu, P Valencia-Acuna… - Nano …, 2021 - ACS Publications
We report here details of steady-state and time-resolved spectroscopy of excitonic dynamics
for Janus transition metal dichalcogenide monolayers, including MoSSe and WSSe, which …

Optical Properties of 2D Semiconductor WS2

C Cong, J Shang, Y Wang, T Yu - Advanced Optical Materials, 2018 - Wiley Online Library
Abstract 2D semiconductor tungsten disulfide (WS2) attracts significant interest in both
fundamental physics and many promising applications such as light emitters …

Exciton diffusion and halo effects in monolayer semiconductors

M Kulig, J Zipfel, P Nagler, S Blanter, C Schüller… - Physical review …, 2018 - APS
We directly monitor exciton propagation in freestanding and SiO 2-supported WS 2
monolayers through spatially and time-resolved microphotoluminescence under ambient …

Exciton dynamics, transport, and annihilation in atomically thin two-dimensional semiconductors

L Yuan, T Wang, T Zhu, M Zhou… - The journal of physical …, 2017 - ACS Publications
Large binding energy and unique exciton fine structure make the transition metal
dichalcogenides (TMDCs) an ideal platform to study exciton behaviors in two-dimensional …

Direct Observation of Ultrafast Exciton Formation in a Monolayer of WSe2

P Steinleitner, P Merkl, P Nagler, J Mornhinweg… - Nano Letters, 2017 - ACS Publications
Many of the fundamental optical and electronic properties of atomically thin transition metal
dichalcogenides are dominated by strong Coulomb interactions between electrons and …