Surface State Mediated Interlayer Excitons in a 2D Nonlayered–Layered Semiconductor Heterojunction
Sign Up to like & getrecommendations! Published in 2017 at "Advanced electronic materials"
DOI: 10.1002/aelm.201700373
Abstract: Van der Waals heterojunctions of 2D layered semiconductors and nonlayered technological important II–V semiconductors provide unprecedented opportunities to engineer exciton and carrier dynamics in 2D optoelectronic devices. However, fabrication of such artificial heterojunctions with type-II… read more here.
Keywords: surface state; interlayer excitons; spectroscopy; heterojunction ... 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
Valley-Dependent Interlayer Excitons in Magnetic WSe2/CrI3.
Sign Up to like & getrecommendations! Published in 2021 at "Nano letters"
DOI: 10.1021/acs.nanolett.1c01232
Abstract: Heterostructures of two-dimensional transition-metal dichalcogenides and ferromagnetic substrates are important candidates for the development of viable new spin- or valleytronic devices. For the prototypical bilayer of WSe2 on top of a ferromagnetic layer of CrI3,… read more here.
Keywords: interlayer excitons; valley dependent; dependent interlayer; wse2 ... See more keywords
Layer-Number Engineered Momentum-Indirect Interlayer Excitons with Large Spectral Tunability.
Sign Up to like & getrecommendations! Published in 2022 at "Nano letters"
DOI: 10.1021/acs.nanolett.2c02742
Abstract: 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 applications in excitonic and optoelectronic devices. However, based… read more here.
Keywords: momentum indirect; momentum; layer number; interlayer excitons ... See more keywords
Selective Chemical Modulation of Interlayer Excitons in Atomically Thin Heterostructures.
Sign Up to like & getrecommendations! Published in 2020 at "Nano letters"
DOI: 10.1021/acs.nanolett.9b05254
Abstract: Strongly-bound interlayer excitons (XIs) in atomically thin transition metal dichalcogenide (TMDC) heterostructures such as MoS2/WSe2 show promising optoelectronic properties for spinvalleytronics and excitonic devices. The ability to probe and control XIs is critical for the… read more here.
Keywords: interlayer excitons; modulation interlayer; interlayer; chemical modulation ... See more keywords
Thickness- and Twist-Angle-Dependent Interlayer Excitons in Metal Monochalcogenide Heterostructures.
Sign Up to like & getrecommendations! Published in 2022 at "ACS nano"
DOI: 10.1021/acsnano.2c07394
Abstract: Interlayer excitons, or bound electron-hole pairs whose constituent quasiparticles are located in distinct stacked semiconducting layers, are being intensively studied in heterobilayers of two-dimensional semiconductors. They owe their existence to an intrinsic type-II band alignment… read more here.
Keywords: angle dependent; twist angle; interlayer excitons;
Valley-Polarized Interlayer Excitons in 2D Chalcogenide-Halide Perovskite-van der Waals Heterostructures.
Sign Up to like & getrecommendations! Published in 2023 at "ACS nano"
DOI: 10.1021/acsnano.2c12546
Abstract: Interlayer excitons (IXs) in two-dimensional (2D) heterostructures provide an exciting avenue for exploring optoelectronic and valleytronic phenomena. Presently, valleytronic research is limited to transition metal dichalcogenide (TMD) based 2D heterostructure samples, which require strict lattice… read more here.
Keywords: valley; interlayer excitons; physics; halide perovskite ... See more keywords
Nanoscale Periodic Trapping Sites for Interlayer Excitons Built by Deformable Molecular Crystal on 2D Crystal.
Sign Up to like & getrecommendations! Published in 2023 at "ACS nano"
DOI: 10.1021/acsnano.3c00541
Abstract: The nanoscale moiré pattern formed at 2D transition-metal dichalcogenide crystal (TMDC) heterostructures provides periodic trapping sites for excitons, which is essential for realizing various exotic phases such as artificial exciton lattices, Bose-Einstein condensates, and exciton… read more here.
Keywords: crystal; interlayer excitons; nanoscale periodic; molecular crystal ... See more keywords
Upconverted electroluminescence via Auger scattering of interlayer excitons in van der Waals heterostructures
Sign Up to like & getrecommendations! Published in 2019 at "Nature Communications"
DOI: 10.1038/s41467-019-10323-9
Abstract: The intriguing physics of carrier-carrier interactions, which likewise affect the operation of light emitting devices, stimulate the research on semiconductor structures at high densities of excited carriers, a limit reachable at large pumping rates or… read more here.
Keywords: van der; der waals; interlayer excitons; waals heterostructures ... See more keywords
Cavity-control of interlayer excitons in van der Waals heterostructures
Sign Up to like & getrecommendations! Published in 2019 at "Nature Communications"
DOI: 10.1038/s41467-019-11620-z
Abstract: Monolayer transition metal dichalcogenides integrated in optical microcavities host exciton-polaritons as a hallmark of the strong light-matter coupling regime. Analogous concepts for hybrid light-matter systems employing spatially indirect excitons with a permanent electric dipole moment… read more here.
Keywords: light matter; cavity; cavity control; interlayer excitons ... See more keywords
Dipole moment and pressure dependent interlayer excitons in MoSSe/WSSe heterostructures.
Sign Up to like & getrecommendations! Published in 2022 at "Nanoscale"
DOI: 10.1039/d1nr06204b
Abstract: The broken mirror symmetry of two-dimensional (2D) Janus materials brings novel quantum properties and various application prospects. Particularly, when stacking into heterostructures, their intrinsic dipole moments and large band offsets are very favorable to the… read more here.
Keywords: interlayer excitons; dipole moments; mosse wsse; intrinsic dipole ... See more keywords