Band structure and spin texture of 2D materials for valleytronics: insights from spin and angle-resolved photoemission spectroscopy

F Bussolotti, TD Maddumapatabandi… - Materials for Quantum …, 2023 - iopscience.iop.org
In this review, we present a perspective on the use of angle-resolved photoemission
spectroscopy (ARPES) and spin-resolved ARPES (SARPES) for the study of the electronic …

Doping of two-dimensional semiconductors: A rapid review and outlook

K Zhang, J Robinson - MRS Advances, 2019 - cambridge.org
Doping, as a primary technique to modify semiconductor transport, has achieved
tremendous success in the past decades. For example, boron and phosphorus doping of Si …

Strain-Enhanced Large-Area Monolayer MoS2 Photodetectors

B Radatovic, O Çakıroğlu, V Jadriško… - … Applied Materials & …, 2024 - ACS Publications
In this study, we show a direct correlation between the applied mechanical strain and an
increase in monolayer MoS2 photoresponsivity. This shows that tensile strain can improve …

The ultrafast onset of exciton formation in 2D semiconductors

C Trovatello, F Katsch, NJ Borys, M Selig, K Yao… - Nature …, 2020 - nature.com
The equilibrium and non-equilibrium optical properties of single-layer transition metal
dichalcogenides (TMDs) are determined by strongly bound excitons. Exciton relaxation …

Light Emission in 2D Silver Phenylchalcogenolates

WS Lee, Y Cho, ER Powers, W Paritmongkol… - ACS …, 2022 - ACS Publications
Silver phenylselenolate (AgSePh, also known as “mithrene”) and silver phenyltellurolate
(AgTePh, also known as “tethrene”) are two-dimensional (2D) van der Waals …

Valley relaxation of resident electrons and holes in a monolayer semiconductor: Dependence on carrier density and the role of substrate-induced disorder

J Li, M Goryca, K Yumigeta, H Li, S Tongay… - Physical Review …, 2021 - APS
Using time-resolved optical Kerr rotation, we measure the low-temperature valley dynamics
of resident electrons and holes in exfoliated WSe 2 monolayers as a systematic function of …

Optically Discriminating Carrier-Induced Quasiparticle Band Gap and Exciton Energy Renormalization in Monolayer

K Yao, A Yan, S Kahn, A Suslu, Y Liang, ES Barnard… - Physical Review Letters, 2017 - APS
Optoelectronic excitations in monolayer MoS 2 manifest from a hierarchy of electrically
tunable, Coulombic free-carrier and excitonic many-body phenomena. Investigating the …

Spatially Resolved Persistent Photoconductivity in MoS2–WS2 Lateral Heterostructures

S Berweger, H Zhang, PK Sahoo, BM Kupp… - ACS …, 2020 - ACS Publications
The optical and electronic properties of 2D semiconductors are intrinsically linked via the
strong interactions between optically excited bound species and free carriers. Here we use …

Unraveling Spatially Heterogeneous Ultrafast Carrier Dynamics of Single-Layer WSe2 by Femtosecond Time-Resolved Photoemission Electron Microscopy

L Wang, C Xu, MY Li, LJ Li, ZH Loh - Nano Letters, 2018 - ACS Publications
Studies of the ultrafast carrier dynamics of transition metal dichalcogenides have employed
spatially averaged measurements, which obfuscate the rich variety of dynamics that …

Efficient Hydrogen Evolution via 1T‐MoS2/Chlorophyll‐a Heterostructure: Way Toward Metal Free Green Catalyst

D Das, J Manna, TK Bhattacharyya - Small Methods, 2023 - Wiley Online Library
Electrocatalytic hydrogen evolution reaction (HER) is regarded as a sustainable and green
way for H2 generation, which faces a great challenge in designing highly active, stable …