Bandgap engineering of two-dimensional semiconductor materials

A Chaves, JG Azadani, H Alsalman… - npj 2D Materials and …, 2020 - nature.com
Semiconductors are the basis of many vital technologies such as electronics, computing,
communications, optoelectronics, and sensing. Modern semiconductor technology can trace …

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 …

[HTML][HTML] High-yield production of mono-or few-layer transition metal dichalcogenide nanosheets by an electrochemical lithium ion intercalation-based exfoliation …

R Yang, L Mei, Q Zhang, Y Fan, HS Shin, D Voiry… - Nature protocols, 2022 - nature.com
Transition metal dichalcogenide (TMD) nanomaterials, especially the mono-or few-layer
ones, have received extensive research interest owing to their versatile properties, ranging …

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 …

[HTML][HTML] Design of van der Waals interfaces for broad-spectrum optoelectronics

N Ubrig, E Ponomarev, J Zultak, D Domaretskiy… - Nature materials, 2020 - nature.com
Van der Waals (vdW) interfaces based on 2D materials are promising for optoelectronics, as
interlayer transitions between different compounds allow tailoring of the spectral response …

Layer-number engineered momentum-indirect interlayer excitons with large spectral tunability

W Yao, D Yang, Y Chen, J Hu, J Li, D Li - Nano Letters, 2022 - ACS Publications
Interlayer excitons (IXs) in type II van der Waals (vdW) heterostructures are equipped with an
oriented permanent dipole moment and long lifetime and thus would allow promising …

Exciton-exciton interaction in transition metal dichalcogenide monolayers and van der Waals heterostructures

D Erkensten, S Brem, E Malic - Physical Review B, 2021 - APS
Due to a strong Coulomb interaction, excitons dominate the excitation kinetics in two-
dimensional (2D) materials. While Coulomb scattering between electrons has been well …

Exciton diffusion in monolayer semiconductors with suppressed disorder

J Zipfel, M Kulig, R Perea-Causín, S Brem, JD Ziegler… - Physical Review B, 2020 - APS
Tightly bound excitons in monolayer semiconductors represent a versatile platform to study
two-dimensional propagation of neutral quasiparticles. Their intrinsic properties, however …

Recent advances in two‐dimensional heterostructures: From band alignment engineering to advanced optoelectronic applications

X Sun, C Zhu, X Zhu, J Yi, Y Liu, D Li… - Advanced Electronic …, 2021 - Wiley Online Library
Dynamically engineering the band alignment between materials, especially 2D
semiconductors, is critically important for the design of novel devices with superior functions …

Opportunities in electrically tunable 2D materials beyond graphene: Recent progress and future outlook

T Vincent, J Liang, S Singh, EG Castanon… - Applied Physics …, 2021 - pubs.aip.org
The interest in two-dimensional and layered materials continues to expand, driven by the
compelling properties of individual atomic layers that can be stacked and/or twisted into …