Rational Design of WSe2/WS2/WSe2 Dual Junction Phototransistor Incorporating High Responsivity and Detectivity
Sign Up to like & getrecommendations! Published in 2022 at "Small Methods"
DOI: 10.1002/smtd.202200583
Abstract: The excellent semiconducting properties and ultrathin morphological characteristics allow van der Waals (vdW) heterostructures based on 2D materials to be promising channel materials for the next‐generation optoelectronic devices, especially in photodetectors. Although various 2D heterostructure‐based… read more here.
Keywords: high responsivity; responsivity detectivity; ws2 wse2; detectivity ... See more keywords
Dynamic Tuning of Moiré Excitons in a WSe2/WS2 Heterostructure via Mechanical Deformation.
Sign Up to like & getrecommendations! Published in 2021 at "Nano letters"
DOI: 10.1021/acs.nanolett.1c03611
Abstract: Moiré superlattices in van der Waals (vdW) heterostructures form by stacking atomically thin layers on top of one another with a twist angle or lattice mismatch. The resulting moiré potential leads to a strong modification… read more here.
Keywords: wse2 ws2; ws2 heterostructure; dynamic tuning; tuning moir ... See more keywords
Exchange between Interlayer and Intralayer Exciton in WSe2/WS2 Heterostructure by Interlayer Coupling Engineering.
Sign Up to like & getrecommendations! Published in 2022 at "Nano letters"
DOI: 10.1021/acs.nanolett.2c01353
Abstract: Because of type-II band alignment, interlayer exciton (IX) is found in a van der Waals (vdW) heterostructure (HS) formed by two monolayers of transition-metal dichalcogenides. Manipulation of IXs is of great importance for excitonic integrated… read more here.
Keywords: interlayer coupling; wse2 ws2; interlayer intralayer; interlayer ... See more keywords
Emergent Moiré Phonons Due to Zone Folding in WSe2-WS2 Van der Waals Heterostructures.
Sign Up to like & getrecommendations! Published in 2022 at "ACS nano"
DOI: 10.1021/acsnano.2c05204
Abstract: Bilayers of 2D materials offer opportunities for creating devices with tunable electronic, optical, and mechanical properties. In van der Waals heterostructures (vdWHs) where the constituent monolayers have different lattice constants, a moiré superlattice forms with… read more here.
Keywords: van der; ws2; der waals; raman ... See more keywords
Imaging moiré flat bands in three-dimensional reconstructed WSe2/WS2 superlattices
Sign Up to like & getrecommendations! Published in 2021 at "Nature Materials"
DOI: 10.1038/s41563-021-00923-6
Abstract: Moiré superlattices in transition metal dichalcogenide (TMD) heterostructures can host novel correlated quantum phenomena due to the interplay of narrow moiré flat bands and strong, long-range Coulomb interactions1–9. However, microscopic knowledge of the atomically reconstructed… read more here.
Keywords: wse2 ws2; flat bands; moir flat; moir ... See more keywords
The effects of intercalated environmental gas molecules on carrier dynamics in WSe2/WS2 heterostructures.
Sign Up to like & getrecommendations! Published in 2023 at "Materials horizons"
DOI: 10.1039/d3mh00420a
Abstract: Effective tuning of carrier dynamics in two-dimensional (2D) materials is significant for multi-scene device applications. Using first-principles and ab initio nonadiabatic molecular dynamics calculations, the kinetics of O2, H2O, and N2 intercalation into 2D WSe2/WS2… read more here.
Keywords: carrier dynamics; carrier; ws2 heterostructures; effects intercalated ... See more keywords
In situ exploration of the thermodynamic evolution properties in the type II interface from the WSe2-WS2 lateral heterojunction.
Sign Up to like & getrecommendations! Published in 2018 at "Nanotechnology"
DOI: 10.1088/1361-6528/aad994
Abstract: The mutual interaction of the type II heterointerface can be very susceptible to the variation of electron states, introducing differences into the band structure and the band alignment in comparison to their pristine states. Here,… read more here.
Keywords: wse2 ws2; evolution; lateral heterojunction; type interface ... See more keywords
Correlated insulator of excitons in WSe2/WS2 moiré superlattices
Sign Up to like & getrecommendations! Published in 2022 at "Science"
DOI: 10.1126/science.add5574
Abstract: A panoply of unconventional electronic states has been observed in moiré superlattices. Engineering similar bosonic phases remains, however, largely unexplored. We report the observation of a bosonic correlated insulator in tungsten diselenide/tungsten disulfide (WSe2/WS2) moiré… read more here.
Keywords: correlated insulator; spectroscopy; insulator; moir superlattices ... See more keywords