Excitonic devices with van der Waals heterostructures: valleytronics meets twistronics

A Ciarrocchi, F Tagarelli, A Avsar, A Kis - Nature Reviews Materials, 2022 - nature.com
Abstract 2D semiconducting transition metal dichalcogenides comprise an emerging class of
materials with distinct properties, including large exciton binding energies that reach …

Bright and Efficient Light‐Emitting Devices Based on 2D Transition Metal Dichalcogenides

T Ahmed, J Zha, KKH Lin, HC Kuo, C Tan… - Advanced …, 2023 - Wiley Online Library
Abstract 2D monolayer transition metal dichalcogenides (TMDCs) show great promise for
the development of next‐generation light‐emitting devices owing to their unique electronic …

Room-temperature electrical control of exciton flux in a van der Waals heterostructure

D Unuchek, A Ciarrocchi, A Avsar, K Watanabe… - Nature, 2018 - nature.com
Devices that rely on the manipulation of excitons—bound pairs of electrons and holes—hold
great promise for realizing efficient interconnects between optical data transmission and …

Twist-angle-dependent interlayer exciton diffusion in WS2–WSe2 heterobilayers

L Yuan, B Zheng, J Kunstmann, T Brumme, AB Kuc… - Nature materials, 2020 - nature.com
The nanoscale periodic potentials introduced by moiré patterns in semiconducting van der
Waals heterostructures have emerged as a platform for designing exciton superlattices …

Dielectric disorder in two-dimensional materials

A Raja, L Waldecker, J Zipfel, Y Cho, S Brem… - Nature …, 2019 - nature.com
Understanding and controlling disorder is key to nanotechnology and materials science.
Traditionally, disorder is attributed to local fluctuations of inherent material properties such …

Electrical control of interlayer exciton dynamics in atomically thin heterostructures

LA Jauregui, AY Joe, K Pistunova, DS Wild, AA High… - Science, 2019 - science.org
A van der Waals heterostructure built from atomically thin semiconducting transition metal
dichalcogenides (TMDs) enables the formation of excitons from electrons and holes in …

Electrical suppression of all nonradiative recombination pathways in monolayer semiconductors

DH Lien, SZ Uddin, M Yeh, M Amani, H Kim, JW Ager III… - Science, 2019 - science.org
Defects in conventional semiconductors substantially lower the photoluminescence (PL)
quantum yield (QY), a key metric of optoelectronic performance that directly dictates the …

Excitons in a reconstructed moiré potential in twisted WSe2/WSe2 homobilayers

TI Andersen, G Scuri, A Sushko, K De Greve, J Sung… - Nature materials, 2021 - nature.com
Moiré superlattices in twisted van der Waals materials have recently emerged as a
promising platform for engineering electronic and optical properties. A major obstacle to fully …

Excitonic transport driven by repulsive dipolar interaction in a van der Waals heterostructure

Z Sun, A Ciarrocchi, F Tagarelli, JF Gonzalez Marin… - Nature …, 2022 - nature.com
Dipolar bosonic gases are currently the focus of intensive research due to their interesting
many-body physics in the quantum regime. Their experimental embodiments range from …

Electrical tuning of optically active interlayer excitons in bilayer MoS2

N Peimyoo, T Deilmann, F Withers, J Escolar… - Nature …, 2021 - nature.com
Interlayer (IL) excitons, comprising electrons and holes residing in different layers of van der
Waals bonded two-dimensional semiconductors, have opened new opportunities for room …