Modulation of photocarrier relaxation dynamics in two-dimensional semiconductors

Y Wang, Z Nie, F Wang - Light: Science & Applications, 2020 - nature.com
Due to strong Coulomb interactions, two-dimensional (2D) semiconductors can support
excitons with large binding energies and complex many-particle states. Their strong light …

Controlling the harmonic generation in transition metal dichalcogenides and their heterostructures

R Zhou, A Krasnok, N Hussain, S Yang, K Ullah - Nanophotonics, 2022 - degruyter.com
The growing interest in transition metal dichalcogenides (TMDs) has encouraged
researchers to focus on their nonlinear optical properties, such as harmonic generation …

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 …

Phonon-Mediated Interlayer Charge Separation and Recombination in a MoSe2/WSe2 Heterostructure

Z Wang, P Altmann, C Gadermaier, Y Yang, W Li… - Nano Letters, 2021 - ACS Publications
Monolayer transition metal dichalcogenides bear great potential for photodetection and light
harvesting due to high absorption coefficients. However, these applications require …

Twist-Angle-Dependent Ultrafast Charge Transfer in MoS2-Graphene van der Waals Heterostructures

D Luo, J Tang, X Shen, F Ji, J Yang, S Weathersby… - Nano Letters, 2021 - ACS Publications
Vertically stacked transition metal dichalcogenide-graphene heterostructures provide a
platform for novel optoelectronic applications with high photoresponse speeds …

Photoexcitation dynamics and long‐lived excitons in strain‐engineered transition metal dichalcogenides

N Mondal, N Azam, YN Gartstein… - Advanced …, 2022 - Wiley Online Library
Strain‐engineering in 2D transition metal dichalcogenide (TMD) semiconductors has
garnered intense research interest in tailoring the optical properties via strain‐induced …

Ultrafast transient sub-bandgap absorption of monolayer MoS2

S Das, Y Wang, Y Dai, S Li, Z Sun - Light: Science & Applications, 2021 - nature.com
The light–matter interaction in materials is of remarkable interest for various photonic and
optoelectronic applications, which is intrinsically determined by the bandgap of the materials …

Distinctive Interfacial Charge Behavior and Versatile Photoresponse Performance in Isotropic/Anisotropic WS2/ReS2 Heterojunctions

Y Tang, H Hao, Y Kang, Q Liu, Y Sui… - … Applied Materials & …, 2020 - ACS Publications
Van der Waals (vdWs) heterostructures based on in-plane isotropic/anisotropic 2D-layered
semiconducting materials have recently received wide attention because of their unique …

Dissecting interlayer hole and electron transfer in transition metal dichalcogenide heterostructures via two-dimensional electronic spectroscopy

VR Policht, M Russo, F Liu, C Trovatello, M Maiuri… - Nano Letters, 2021 - ACS Publications
Monolayer transition metal dichalcogenides (ML-TMDs) are two-dimensional
semiconductors that stack to form heterostructures (HSs) with tailored electronic and optical …

Hot carrier extraction from 2D semiconductor photoelectrodes

R Austin, YR Farah, T Sayer… - Proceedings of the …, 2023 - National Acad Sciences
Hot carrier-based energy conversion systems could double the efficiency of conventional
solar energy technology or drive photochemical reactions that would not be possible using …