Exciton physics and device application of two-dimensional transition metal dichalcogenide semiconductors

T Mueller, E Malic - npj 2D Materials and Applications, 2018 - nature.com
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 …

Enhanced light–matter interaction in two-dimensional transition metal dichalcogenides

L Huang, A Krasnok, A Alú, Y Yu… - Reports on Progress …, 2022 - iopscience.iop.org
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 …

Approaching the intrinsic exciton physics limit in two-dimensional semiconductor diodes

P Chen, TL Atallah, Z Lin, P Wang, SJ Lee, J Xu… - Nature, 2021 - nature.com
Abstract Two-dimensional (2D) semiconductors have attracted intense interest for their
unique photophysical properties, including large exciton binding energies and strong gate …

Revealing the biexciton and trion-exciton complexes in BN encapsulated WSe2

Z Li, T Wang, Z Lu, C **, Y Chen, Y Meng… - Nature …, 2018 - nature.com
Strong Coulomb interactions in single-layer transition metal dichalcogenides (TMDs) result
in the emergence of strongly bound excitons, trions, and biexcitons. These excitonic …

Efficient generation of neutral and charged biexcitons in encapsulated WSe2 monolayers

Z Ye, L Waldecker, EY Ma, D Rhodes, A Antony… - Nature …, 2018 - nature.com
Higher-order correlated excitonic states arise from the mutual interactions of excitons, which
generally requires a significant exciton density and therefore high excitation levels. Here, we …

Mechanisms and applications of steady-state photoluminescence spectroscopy in two-dimensional transition-metal dichalcogenides

M Tebyetekerwa, J Zhang, Z Xu, TN Truong, Z Yin… - ACS …, 2020 - ACS Publications
Two-dimensional (2D) transition-metal dichalcogenide (TMD) semiconductors exhibit many
important structural and optoelectronic properties, such as strong light–matter interactions …

Emerging photoluminescence from the dark-exciton phonon replica in monolayer WSe2

Z Li, T Wang, C **, Z Lu, Z Lian, Y Meng, M Blei… - Nature …, 2019 - nature.com
Tungsten-based monolayer transition metal dichalcogenides host a long-lived “dark”
exciton, an electron-hole pair in a spin-triplet configuration. The long lifetime and unique …

Coulomb-bound four-and five-particle intervalley states in an atomically-thin semiconductor

SY Chen, T Goldstein, T Taniguchi, K Watanabe… - Nature …, 2018 - nature.com
As hosts for tightly-bound electron-hole pairs carrying quantized angular momentum,
atomically-thin semiconductors of transition metal dichalcogenides (TMDCs) provide an …

Exciton optics, dynamics, and transport in atomically thin semiconductors

R Perea-Causin, D Erkensten, JM Fitzgerald… - APL Materials, 2022 - pubs.aip.org
Atomically thin semiconductors such as transition metal dichalcogenide (TMD) monolayers
exhibit a very strong Coulomb interaction, giving rise to a rich exciton landscape. This makes …

Disentangling many-body effects in the coherent optical response of 2D semiconductors

C Trovatello, F Katsch, Q Li, X Zhu, A Knorr… - Nano Letters, 2022 - ACS Publications
In single-layer (1L) transition metal dichalcogenides, the reduced Coulomb screening
results in strongly bound excitons which dominate the linear and the nonlinear optical …