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 …

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 …

Electrically tunable quantum confinement of neutral excitons

D Thureja, A Imamoglu, T Smoleński, I Amelio… - Nature, 2022 - nature.com
Confining particles to distances below their de Broglie wavelength discretizes their motional
state. This fundamental effect is observed in many physical systems, ranging from electrons …

Strong dipolar repulsion of one-dimensional interfacial excitons in monolayer lateral heterojunctions

L Yuan, B Zheng, Q Zhao, R Kempt, T Brumme… - ACS …, 2023 - ACS Publications
Repulsive and long-range exciton–exciton interactions are crucial for the exploration of one-
dimensional (1D) correlated quantum phases in the solid state. However, the experimental …

Electron-exciton interactions in the exciton-polaron problem

DK Efimkin, EK Laird, J Levinsen, MM Parish… - Physical Review B, 2021 - APS
Recently, it has been demonstrated that the absorption of moderately doped two-
dimensional semiconductors can be described in terms of exciton polarons. In this scenario …

Next‐Generation Photodetectors beyond Van Der Waals Junctions

F Wang, T Zhang, R Xie, A Liu, F Dai… - Advanced …, 2024 - Wiley Online Library
With the continuous advancement of nanofabrication techniques, development of novel
materials, and discovery of useful manipulation mechanisms in high‐performance …

Electrically Confined Electroluminescence of Neutral Excitons in WSe2 Light‐Emitting Transistors

JC Shin, JH Jeong, J Kwon, YH Kim, B Kim… - Advanced …, 2024 - Wiley Online Library
Monolayer transition metal dichalcogenides (TMDs) have drawn significant attention for their
potential in optoelectronic applications due to their direct band gap and exceptional …

Piezoelectric Modulation of Excitonic Properties in Monolayer WSe2 under Strong Dielectric Screening

K Datta, Z Li, Z Lyu, PB Deotare - ACS nano, 2021 - ACS Publications
We investigate the interaction of excitons in monolayer WSe2 with the piezoelectric field of
surface acoustic wave (SAW) at room temperature using photoluminescence (PL) …

Acoustically driven stark effect in transition metal dichalcogenide monolayers

D Scolfaro, M Finamor, LO Trinchão, BLT Rosa… - ACS …, 2021 - ACS Publications
The Stark effect is one of the most efficient mechanisms to manipulate many-body states in
nanostructured systems. In mono-and few-layer transition metal dichalcogenides, it has …

Excitons in twisted hexagonal boron nitride bilayers

P Roman-Taboada, E Obregon-Castillo… - Physical Review B, 2023 - APS
The twisted hexagonal boron nitride (hBN) bilayer has demonstrated exceptional properties,
particularly the existence of electronic flat bands without needing a magic angle, suggesting …