Interlayer exciton formation, relaxation, and transport in TMD van der Waals heterostructures

Y Jiang, S Chen, W Zheng, B Zheng… - Light: Science & …, 2021 - nature.com
Van der Waals (vdW) heterostructures based on transition metal dichalcogenides (TMDs)
generally possess a type-II band alignment that facilitates the formation of interlayer excitons …

Emerging theory and phenomena in thermal conduction: A selective review

J Chen, J He, D Pan, X Wang, N Yang, J Zhu… - Science China Physics …, 2022 - Springer
Recently, emerging phonon phenomena have been discovered and rapidly developed,
which have become an active hot research topic. In this review article, we present state-of …

Room‐temperature synthesis of 2D Janus crystals and their heterostructures

DB Trivedi, G Turgut, Y Qin, MY Sayyad… - Advanced …, 2020 - Wiley Online Library
Janus crystals represent an exciting class of 2D materials with different atomic species on
their upper and lower facets. Theories have predicted that this symmetry breaking induces …

Valley phonons and exciton complexes in a monolayer semiconductor

M He, P Rivera, D Van Tuan, NP Wilson… - Nature …, 2020 - nature.com
The coupling between spin, charge, and lattice degrees of freedom plays an important role
in a wide range of fundamental phenomena. Monolayer semiconducting transitional metal …

Infrared Interlayer Exciton Emission in Heterostructures

O Karni, E Barré, SC Lau, R Gillen, EY Ma, B Kim… - Physical review …, 2019 - APS
We report light emission around 1 eV (1240 nm) from heterostructures of MoS 2 and WSe 2
transition metal dichalcogenide monolayers. We identify its origin in an interlayer exciton …

WSe2 2D p‐type semiconductor‐based electronic devices for information technology: Design, preparation, and applications

Q Cheng, J Pang, D Sun, J Wang, S Zhang, F Liu… - InfoMat, 2020 - Wiley Online Library
The pioneering exfoliation of monolayer tungsten diselenide has greatly inspired
researchers toward semiconducting applications. WSe2 belongs to a family of transition …

Nonclassical Exciton Diffusion in Monolayer

K Wagner, J Zipfel, R Rosati, E Wietek, JD Ziegler… - Physical Review Letters, 2021 - APS
We experimentally demonstrate time-resolved exciton propagation in a monolayer
semiconductor at cryogenic temperatures. Monitoring phonon-assisted recombination of …

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 …

Phonon-assisted photoluminescence from indirect excitons in monolayers of transition-metal dichalcogenides

S Brem, A Ekman, D Christiansen, F Katsch, M Selig… - Nano …, 2020 - ACS Publications
The photoluminescence (PL) spectrum of transition-metal dichalcogenides (TMDs) shows a
multitude of emission peaks below the bright exciton line, and not all of them have been …

Photoluminescence upconversion in monolayer WSe2 activated by plasmonic cavities through resonant excitation of dark excitons

NS Mueller, R Arul, G Kang, AP Saunders… - Nature …, 2023 - nature.com
Anti-Stokes photoluminescence (PL) is light emission at a higher photon energy than the
excitation, with applications in optical cooling, bioimaging, lasing, and quantum optics. Here …