Enhanced Performance of a Monolayer MoS2/WSe2 Heterojunction as a Photoelectrochemical Cathode
Sign Up to like & getrecommendations! Published in 2018 at "Nano-Micro Letters"
DOI: 10.1007/s40820-018-0212-6
Abstract: Transition-metal dichalcogenide (TMD) semiconductors have attracted interest as photoelectrochemical (PEC) electrodes due to their novel band-gap structures, optoelectronic properties, and photocatalytic activities. However, the photo-harvesting efficiency still requires improvement. In this study, A TMD stacked… read more here.
Keywords: mos2 wse2; pec; cathode; performance ... See more keywords
Highly Strain-Tunable Interlayer Excitons in MoS2/WSe2 Heterobilayers.
Sign Up to like & getrecommendations! Published in 2021 at "Nano letters"
DOI: 10.1021/acs.nanolett.1c00724
Abstract: Interlayer excitons in heterobilayers of transition-metal dichalcogenides (TMDCs) have generated enormous interest due to their permanent vertical dipole moments and long lifetimes. However, the effects of mechanical strain on the optoelectronic properties of interlayer excitons… read more here.
Keywords: interlayer excitons; mos2 wse2; strain tunable; interlayer ... See more keywords
Room Temperature Negative Differential Resistance with High Peak Current in MoS2/WSe2 Heterostructures
Sign Up to like & getrecommendations! Published in 2024 at "Nano Letters"
DOI: 10.1021/acs.nanolett.3c04607
Abstract: Two-dimensional transition metal dichalcogenide (2D TMD) semiconductors allow facile integration of p- and n-type materials without a lattice mismatch. Here, we demonstrate gate-tunable n- and p-type junctions based on vertical heterostructures of MoS2 and WSe2… read more here.
Keywords: negative differential; mos2 wse2; peak current; differential resistance ... See more keywords
MoS2/WSe2 vdW Heterostructures Decorated with PbS Quantum Dots for the Development of High-Performance Photovoltaic and Broadband Photodiodes.
Sign Up to like & getrecommendations! Published in 2022 at "ACS nano"
DOI: 10.1021/acsnano.2c02012
Abstract: van der Waals heterostructures (vdWHs) overcoming the lattice and processing limitations of conventional heterostructures provide an opportunity to develop high-performance 2D vdWH solar cells and photodiodes. However, it is challenging to improve the sensitivity and… read more here.
Keywords: mos2 wse2; pbs quantum; high performance; response speed ... See more keywords
Gate-Tunable Electron Trap Dynamics in Defect-Engineered MoS2-WSe2 Heterostructures for Broadband Photodetection.
Sign Up to like & getrecommendations! Published in 2025 at "ACS nano"
DOI: 10.1021/acsnano.5c16244
Abstract: Gate-controlled electron trap dynamics are quantitatively investigated to elucidate their influence on the spectral and temporal characteristics in MoS2-WSe2 heterostructure photodetector. Defect-induced trap states within the bandgap enable sub-bandgap photon absorption, thereby extending the photodetection… read more here.
Keywords: mos2 wse2; electron trap; gate; trap ... See more keywords
Atomic-scale mapping of hydrophobic layers on graphene and few-layer MoS2 and WSe2 in water
Sign Up to like & getrecommendations! Published in 2019 at "Nature Communications"
DOI: 10.1038/s41467-019-10740-w
Abstract: The structure and the role of the interfacial water in mediating the interactions of extended hydrophobic surfaces are not well understood. Two-dimensional materials provide a variety of large and atomically flat hydrophobic surfaces to facilitate… read more here.
Keywords: graphene layer; water; layer mos2; mos2 wse2 ... See more keywords
Seeking the Dirac cones in the MoS2/WSe2 van der Waals heterostructure
Sign Up to like & getrecommendations! Published in 2017 at "Applied Physics Letters"
DOI: 10.1063/1.4998305
Abstract: Ab initio calculations show that the bandgap of MoS2-WSe2 heterostructures can be significantly tuned by thickness engineering, perpendicular electric fields, and forming spin-valley coupling Dirac cones at the K and K ′ valleys. The intrinsic… read more here.
Keywords: mos2 wse2; seeking dirac; dirac cones; band ... See more keywords
Low-temperature p-type ohmic contact to WSe2 using p+-MoS2/WSe2 van der Waals interface
Sign Up to like & getrecommendations! Published in 2020 at "Applied Physics Letters"
DOI: 10.1063/5.0016468
Abstract: This study demonstrates a low-temperature Ohmic contact to WSe2 using a van der Waals (vdW) junction between highly p-doped MoS2 (p+-MoS2) and WSe2. p+-MoS2 exhibits a large work function comparable to that of a well-known… read more here.
Keywords: temperature; mos2 wse2; ohmic contact; wse2 ... See more keywords