Exciton Binding Energy and Nonhydrogenic Rydberg Series in Monolayer WS2

Abstract

We have experimentally determined the energies of the ground and first four excited excitonic states of the fundamental optical transition in monolayer WS2, a model system for the growing class of atomically thin two-dimensional semiconductor crystals. From the spectra, we establish a large exciton binding energy of 0.32 eV and a pronounced deviation from the usual hydrogenic Rydberg series of energy levels of the excitonic states. We explain both of these results using a microscopic theory in which the non-local nature of the effective dielectric screening modifies the functional form of the Coulomb interaction. These strong but unconventional electron-hole interactions are expected to be ubiquitous in atomically thin materials.

published version

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Cited by in corpus (754)

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• Brightening of spin- and momentum-dark excitons in transition metal dichalcogenides
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• Dark-exciton driven energy funneling into dielectric inhomogeneities in two-dimensional semiconductors
• Tailoring the dielectric screening in WS${}_2$-graphene heterostructures
• Experimental Progress on Layered Topological Semimetals
• Second-Harmonic Young Interference in Atom-Thin Heterocrystals
• Layer degree of freedom for excitons in transition metal dichalcogenides
• Fast relaxation of photo-excited carriers in 2D transition metal dichalcogenides
• Temporal evolution of low-temperature phonon sidebands in WSe${}_2$ monolayers
• Theory of moiré localized excitons in transition-metal dichalcogenide heterobilayers
• Atomically thin semiconductors as nonlinear mirrors
• Nanoscale patterning of quasiparticle band alignment
• Terahertz Excitonics in Carbon Nanotubes: Exciton Autoionization and Multiplication
• Ultrafast dynamics of bright and dark excitons in monolayer WSe${}_2$ and heterobilayer WSe${}_2$/MoS${}_2$
• Optical identification using imperfections in 2D materials
• Quenching of Intervalley Exchange Coupling in the Presence of Momentum-Dark States in TMDCs
• Non equilibrium anisotropic excitons in atomically thin ReS${}_2$
• Electrical control of inter-layer excitons in van der Waals heterostructures
• Optical sensing of fractional quantum Hall effect in graphene
• Valley-Polarized Exciton Dynamics in Exfoliated Monolayer WSe${}_2$
• Controlling exciton many-body states by the electric-field effect in monolayer MoS${}_2$
• Spectrally narrow exciton luminescence from monolayer MoS2 exfoliated onto epitaxially grown hexagonal BN
• Optical selection rules for excitonic Rydberg series in the massive Dirac cones of hexagonal 2D materials
• Ultrafast band-gap renormalization and build-up of optical gain in monolayer MoTe${}_2$
• Prolonging Valley Polarization Lifetime through Gate-Controlled Exciton-to-Trion Conversion in Monolayer Molybdenum Ditelluride
• Polaron-enhanced polariton nonlinearity in lead halide perovskites
• Broadband pump-probe study of biexcitons in chemically exfoliated layered WS${}_2$
• Tutorial: Exciton resonances for atomically-thin optics
• Electrostatics of electron-hole interactions in van der Waals heterostructures
• Nonconventional screening of Coulomb interaction in two-dimensional semiconductors and metals: A comprehensive cRPA study of MX2 (M=Mo, W, Nb, Ta; X=S, Se, Te)
• Coherent dynamics and mapping of excitons in single-layer MoSe${}_2$ and WSe${}_2$ at the homogeneous limit
• Highly Tunable Ground and Excited State Excitonic Dipoles in Multilayer 2H-MoSe${}_2$
• Strong Valley Zeeman Effect of Dark Excitons in Monolayer Transition Metal Dichalcogenides in a Tilted Magnetic Field
• Fundamental exciton linewidth broadening in monolayer transition metal dichalcogenides
• Light-matter interaction in van der Waals heterostructures
• Interaction-driven transport of dark excitons in 2D semiconductors with phonon-mediated optical readout
• Manipulation of exciton and trion quasiparticles in monolayer WS2 via charge transfer
• First-order magnetic phase-transition of mobile electrons in monolayer MoS${}_2$
• Stochastic many-body perturbation theory for Moiré states in twisted bilayer phosphorene
• Substrate influence on transition metal dichalcogenide monolayer exciton absorption linewidth broadening
• Enhanced Excitation and Emission from 2D Transition Metal Dichalcogenides with All-Dielectric Nanoantennas
• Transdimensional epsilon-near-zero modes in planar plasmonic nanostructures
• Modulation of trion and exciton formation in monolayer WS2 by dielectric and substrate engineering
• Coupled Valence Carrier and Core-Exciton Dynamics in WS${}_2$ Probed by Few-Femtosecond Extreme Ultraviolet Transient Absorption Spectroscopy
• Strongly-bound excitons and trions in anisotropic 2D semiconductors
• Nonlinear optics in 2D materials: from classical to quantum
• Efficiency Limit of Transition Metal Dichalcogenide Solar Cells
• Population pulsation resonances of excitons in monolayer MoSe2 with sub 1 μeV linewidth
• van der Waals heterostructure for photocatalysis: Graphitic carbon nitride and Janus transition-metal dichalcogenides
• Transport and localization of indirect excitons in a van der Waals heterostructure
• Exciton-phonon relaxation bottleneck and radiative decay of thermal exciton reservoir in two-dimensional materials
• Manipulation of Exciton Dynamics in Single-Layer WSe2 Using a Toroidal Dielectric Metasurface
• Exciton in phosphorene: Strain, impurity, thickness and heterostructure
• Two dimensional transition metal dichalcogenide based bilayer heterojunctions for efficient solar cells and photocatalytic applications
• Excited state band mapping and momentum-resolved ultrafast population dynamics in In/Si(111) nanowires investigated with XUV based time- and angle-resolved photoemission spectroscopy
• Band nesting and exciton spectrum in monolayer MoS${}_2$
• Optical fingerprint of dark 2p-states in transition metal dichalcogenides
• Brightening of a dark monolayer semiconductor via strong light-matter coupling in a cavity
• Tunable optical nonlinearity for TMD polaritons dressed by a Fermi sea
• Optical Properties of Anisotropic Excitons in Phosphorene
• Strong photon antibunching in weakly nonlinear two-dimensional exciton-polaritons
• Anomalous Non-Hydrogenic Exciton Series in 2D Materials on High-$\kappa$ Dielectric Substrates
• Bosonic Delocalization of Dipolar Moiré Excitons
• Surface-diffusion-limited growth of atomically thin WS2 crystals from core-shell nuclei
• Spin-Degenerate Regimes for Single Quantum Dots in Transition Metal Dichalcogenide Monolayers
• Ultrafast photocurrents in MoSe${}_2$ probed by terahertz spectroscopy
• Quantum-electrodynamical approach to the exciton spectrum in Transition-Metal Dichalcogenides
• Voltage-controlled long-range propagation of indirect excitons in van der Waals heterostructure
• Exciton enhanced nonlinear optical responses in monolayer h-BN and MoS2: Insight from first-principles exciton-state coupling formalism and calculations
• Variation of photoluminescence spectral line shape of monolayer WS2
• Valley polarization of exciton-polaritons in monolayer WSe2 in a tunable microcavity
• Breakdown of the static dielectric screening approximation of Coulomb interactions in atomically thin semiconductors
• Exciton-phonon-scattering: A competition between bosonic and fermionic nature of bound electron-hole pairs
• Ultrafast phonon-driven charge transfer in van der Waals heterostructures
• Observation of ~100% valley-coherent excitons in monolayer MoS2 through giant enhancement of valley coherence time
• Phonon-assisted exciton and trion conversion efficiency in transition metal Dichalcogenides
• Probing correlations in the exciton landscape of a moiré heterostructure
• Excitons, Optical Spectra, and Electronic Properties of Semiconducting Hf-based MXenes
• A colloquium on the variational method applied to excitons in 2D materials
• Optically bright $p$-excitons indicating strong Coulomb coupling in transition-metal dichalcogenides
• Valley Dynamics of Excitons in Monolayer Dichalcogenides
• Tuning the Optical Properties of an MoSe${}_2$ Monolayer Using Nanoscale Plasmonic Antennas
• Charged exctions in two-dimensional transition-metal dichalcogenides - semiclassical calculation of Berry-curvature effects
• Spatial Non-Uniformity in Exfoliated WS2 Single layers
• Exciton-polaritons in multilayer WSe${}_2$ in a planar microcavity
• Observation of room temperature excitons in an atomically thin topological insulator
• Valley polarization of singlet and triplet trions in WS${}_2$ monolayer in magnetic fields
• Direct Measurement of Biexcitons in Monolayer WS2
• Spectral focusing of broadband silver electroluminescence in nanoscopic FRET-LEDs
• In-Plane Electric Field Induced Orbital Hybridization of Excitonic States In Monolayer WSe2
• Mott-moiré excitons
• Exciton routing in the heterostructure of TMD and paraelectrics
• Strong coupling regime and hybrid quasinormal modes of a single plasmonic resonator coupled to a TMDC monolayer
• Rigid-layer Raman-active modes in $N$-layer Transition Metal Dichalcogenides: interlayer force constants and hyperspectral Raman imaging
• Sub-ps thermionic electron injection effects on exciton-formation dynamics at a van der Waals semiconductor/metal interface
• Signatures of sub-band excitons in few-layer black phosphorus
• Control of the exciton valley dynamics in van der Waals heterostructures
• Optical Properties of GaS-Ca(OH)${}_2$ bilayer heterostructure
• MoTe2 as a natural hyperbolic material across the visible and the ultraviolet region
• A Hubbard exciton fluid in a photo-doped antiferromagnetic Mott insulator
• Exact solution of an exciton energy for a monolayer medium
• Nonlinear Rydberg exciton-polaritons in Cu${}_2$O microcavities
• Signatures of electric field and layer separation effects on the spin-valley physics of MoSe${}_2$/WSe${}_2$ heterobilayers: from energy bands to dipolar excitons
• Impact of dark excitons on Förster type resonant energy transfer between dye molecules and atomically thin semiconductors
• Trions in MoS${}_2$ are quantum superpositions of intra- and intervalley spin states
• Enhancing ground state population and macroscopic coherence of room-temperature WS${}_2$ polaritons through engineered confinement
• Tunable magneto-optical properties in MoS${}_2$ via defect-induced exciton transitions
• Trion photoluminescence and trion stability in atomically thin semiconductors
• Optical spectroscopy of interlayer coupling in artificially stacked MoS2 layers
• Interplay of Excitonic Complexes in $p$-Doped WSe${}_2$ Monolayers
• Pressure dependence of intra- and interlayer excitons in 2H-MoS${}_2$ bilayers
• Simulations of Trions and Biexcitons in Layered Hybrid Organic-Inorganic Lead Halide Perovskites
• Bose condensation of upper-branch exciton-polaritons in a transferrable microcavity
• Integrating van der Waals materials on paper substrates for electrical and optical applications
• Excitonic complexes in anisotropic atomically thin two-dimensional materials: black phosphorus and TiS${}_3$
• Direct Optical-Structure Correlation in Atomically Thin Dichalcogenides and Heterostructures
• Rydberg polaritons in ReS2 crystals
• An innovative model for coupled fermion-antifermion pairs
• Microscopic theory of exciton and trion polaritons in doped monolayers of transition metal dichalcogenides
• Many-body theory of radiative lifetimes of exciton-trion superposition states in doped two-dimensional materials
• Optical properties of exciton in two-dimensional transition metal dichalcogenide nanobubbles
• Polaritonic Quantum Matter
• Microscopic model of the doping dependence of line widths in monolayer transition metal dichalcogenides
• Quasiparticle Energies and Excitonic Effects of Chromium Trichloride: from Two Dimensions to Bulk
• Multiorbital exciton formation in an organic semiconductor
• Magnetoexcitons in transition-metal dichalcogenides monolayers, bilayers, and van der Waals heterostructures
• Radially polarized light beams from spin-forbidden dark excitons and trions in monolayer WSe${}_2$
• Direct Observation of Intravalley Phonon Scattering of 2s Excitons in MoSe${}_2$ and WSe${}_2$ Monolayers
• Extraordinary Photostability and Davydov Splitting in BN-Sandwiched Single-Layer Tetracene Molecular Crystals
• Dynamical screening effects of substrate phonons on two-dimensional excitons
• Quasiparticle and Optical Properties of Carrier-Doped Monolayer MoTe${}_2$ from First Principles
• Anisotropic Electron-Photon-Phonon Coupling in Layered MoS2
• Wigner Crystals in Two-Dimensional Transition-Metal Dichalcogenides: Spin Physics and Readout
• Rydberg Exciton-Polaritons in a Magnetic Field
• Probabilistic forecast of nonlinear dynamical systems with uncertainty quantification
• Solving the Bethe-Salpeter Equation on a Subspace: Approximations and Consequences for Low-dimensional Materials
• Formation, stability, and highly nonlinear optical response of excitons to intense light fields interacting with two-dimensional materials
• Exciton spectrum in atomically thin monolayers: The role of hBN encapsulation
• Probing biexciton in monolayer WS${}_2$ through controlled many-body interaction
• Phonon signatures in spectra of exciton polaritons in transition metal dichalcogenides
• Coherent Dynamics of Floquet-Bloch States in Monolayer WS2 Reveals Fast Adiabatic Switching
• Excitonic insulator emerging from semiconducting normal state in $1T$-TiSe${}_2$
• Non-invasive control of excitons in two-dimensional materials
• Spectrum of exciton states in monolayer transition metal dichalcogenides: angular momentum and Landau levels
• Incoherent phonon population and exciton-exciton annihilation in monolayer WS2 revealed by time-resolved spontaneous Raman scattering
• Terahertz fingerprint of monolayer Wigner crystals
• Annihilation mechanism of excitons in a MoS2 monolayer through direct Förster-type energy transfer and multistep diffusion
• Radiative and Non-Radiative Exciton Energy Transfer in Monolayers of Two-Dimensional Transition Metal Dichalcogenides
• Light-induced topological superconductivity in transition metal dichalcogenide monolayers
• Theory of coherent phonons coupled to excitons
• Attractive Coulomb interaction of 2D Rydberg excitons
• Phonon-assisted Exciton Dissociation in Transition Metal Dichalcogenides
• Engineering 2D material exciton lineshape with graphene/h-BN encapsulation
• Intrinsic control of interlayer exciton generation rate in van der Waals materials via Janus layers
• Ultrafast charge transfer and vibronic coupling in a laser-excited hybrid inorganic/organic interface
• Microscopic theory of cavity-confined monolayer semiconductors: polariton-induced valley relaxation and the prospect of enhancing and controlling the valley pseudospin by chiral strong coupling
• Light-matter coupling and non-equilibrium dynamics of exchange-split trions in monolayer WS2
• Computing Optical Properties of Ultra-thin Crystals
• Excited-State Trions in Two Dimensional Materials
• Substrate Effect on Excitonic Shift and Radiative Lifetime of Two-Dimensional Materials
• Valley-selective exciton bistability in a suspended monolayer semiconductor
• Enhanced nonlinear interaction of polaritons via excitonic Rydberg states in monolayer WSe2
• Excitonic theory of doping-dependent optical response in atomically thin semiconductors
• Capacitively-coupled and inductively-coupled excitons in bilayer MoS${}_2$
• Probing Electronic States in Monolayer Semiconductors through Static and Transient Third-Harmonic Spectroscopy
• Full control of solid-state electrolytes for electrostatic gating
• Tightly bound excitons in two-dimensional semiconductors with a flat valence band
• Ultrafast pseudospin quantum beats in multilayer WSe${}_2$ and MoSe${}_2$
• Screening 0D materials for 2D nanoelectronics applications
• Observation of Dynamic Screening in the Excited Exciton States in Multi-layered MoS${}_2$
• Chiral excitonics in monolayer semiconductors on patterned dielectric
• Calculation of the nonlinear response functions of intra-exciton transitions in two-dimensional transition metal dichalcogenides
• Nano-optical investigation of grain boundaries, strain and edges in CVD grown MoS${}_2$ monolayers
• Multivalley engineering in semiconductor microcavities
• Room Temperature Micro-Photoluminescence Studies of Colloidal WS2 Nanosheets
• A comprehensive study of complex non-adiabatic exciton dynamics in MoSi${}_2$N${}_4$
• Revealing the nature of excitons in liquid exfoliated monolayer WS2
• Interfacial anisotropic exciton-polariton manifolds in ReS${}_2$
• Local tuning of WS2 photoluminescence using polymeric micro-actuators in a monolithic van der Waals heterostructure
• In-plane staging in lithium-ion intercalation of bilayer graphene
• Optical fingerprint of bright and dark localized excitonic states in atomically thin 2D materials
• All optical resonant magnetization switching in ${\text{CrI}}_3$ monolayers
• Influence of direct deposition of dielectric materials on the optical response of monolayer WS${}_2$
• Quadrupolar Excitons in MoSe${}_2$ Bilayers
• Circumventing the polariton bottleneck via dark excitons in 2D semiconductors
• Non-bosonic moiré excitons
• Controlled Interlayer Exciton Ionization in an Electrostatic Trap in Atomically Thin Heterostructures
• Probing the uniaxial strain-dependent valley drift and Berry curvature in monolayer MoSi${}_2$N${}_4$
• Dark-state impact on the exciton recombination of WS2 monolayers as revealed by multi-time-scale pump-and-probe spectroscopy
• Trion clustering structure and binding energy in 2D semiconductor materials: Faddeev equations approach
• Negative diffusion of excitons in quasi-two-dimensional systems
• Temperature-dependent excitonic light manipulation with atomically-thin optical elements
• Effects of dynamical dielectric screening on the excitonic spectrum of monolayer semiconductors
• Expeditious computation of nonlinear optical properties of arbitrary order with native electronic interactions in the time domain
• Interlayer excitonic spectra of vertically stacked MoSe${}_2$/WSe${}_2$ heterobilayers
• Impact of substrates and quantum effects on exciton line shapes of 2D semiconductors at room temperature
• Two-dimensional excitons in monolayer transition metal dichalcogenides from simple models and variational calculations
• $\Gamma$-valley assisted intervalley scattering on monolayer and bilayer WS2 revealed by time-resolved Kerr rotation spectroscopy
• Magneto photoluminescence measurements of tungsten disulphide monolayers
• Ultrafast Chirality-dependent Dynamics from Helicity-resolved Transient Absorption Spectroscopy
• Valley Coherent Hot Carriers and Thermal Relaxation in Monolayer Transition Metal Dichalcogenides
• Temperature Study of Rydberg Exciton Optical Properties in Cu2O
• Exciton-Sensitized Second-Harmonic Generation in 2D Heterostructures
• Emergent bright excitons with Rashba spin-orbit coupling in atomic monolayers
• Nano-optics of transition metal dichalcogenides and their van der Waals heterostructures with electron spectroscopies
• Reliable and Broad-range Layer Identification of Au-assisted Exfoliated Large Area MoS${}_2$ and WS${}_2$ Using Reflection Spectroscopic Fingerprints
• Theory of the Coherent Response of Magneto-Excitons and Magneto-Biexcitons in Monolayer Transition Metal Dichalcogenides
• Probing excitons with time-resolved momentum microscopy
• Coupled fermion-antifermion pairs within a traversable wormhole
• Nonlinear spectroscopy of excitonic states in transition metal dichalcogenides
• Triangular lattice exciton model
• Nonclassical Light from Exciton Interactions in a Two-Dimensional Quantum Mirror
• Quantum Geometry and the Hidden Scales in Materials
• Exciton solid in bilayer two dimensional electron-hole systems
• Spatial control of carrier capture in two-dimensional materials: Beyond energy selection rules
• Comparative study of the binding energy in a thin and ultra-thin organic-inorganic perovskite within dielectric mismatches effects
• Analogy and dissimilarity of excitons in monolayer and bilayer of MoSe${}_2$
• Tensile strain induced brightening of momentum forbidden dark exciton in WS${}_2$
• Charge-carrier complexes in monolayer semiconductors
• Spin-valley relaxation dynamics of Landau-quantized electrons in MoSe${}_2$ monolayer
• Phenomenological model for long wavelength optical modes in transition-metal dichalcogenide monolayer
• Direct visualization of hybrid excitons in van der Waals heterostructures
• Exciton-exciton Interaction in Monolayer MoSe${}_2$ from Mutual Screening of Coulomb Binding
• Exciton-polaritons of a 2D semiconductor layer in a cylindrical microcavity
• Approaching the absorption limit with monolayer semiconductor superlattices
• Towards room-temperature superfluidity of exciton polaritons in an optical microcavity with an embedded MoS${}_2$ monolayer
• Fingerprints of Berry phases in the bulk exciton spectrum of a topological insulator
• Interlayer exciton polaritons in homobilayers of transition metal dichalcogenides
• Electron energy-loss spectrum and exciton band structure of ${\mathrm{WSe}}_2$ monolayer studied by ab initio Bethe-Salpeter equation calculations
• Directional emission from WS2 monolayer coupled to plasmonic Nanowire-on-Mirror Cavity
• Magnetically tunable exciton valley coherence in monolayer WS${}_2$ mediated by the electron-hole exchange and exciton-phonon interactions
• Role of the Berry curvature on BCS-type superconductivity in two-dimensional materials
• Second-order temporal coherence of polariton lasers based on an atomically thin crystal in a microcavity
• On the importance of electron-electron and electron-phonon scatterings and energy renormalizations during carrier relaxation in monolayer transition-metal dichalcogenides
• Energy states of Rydberg excitons in finite crystals: From weak to strong confinement
• A polarizing situation: Taking an in-plane perspective for next-generation near-field studies
• Electrically tunable layer-hybridized trions in doped WSe${}_2$ bilayers
• Quadrupolar and dipolar excitons in symmetric trilayer heterostructures: Insights from first principles theory
• Quantum well confinement and competitive radiative pathways in the luminescence of black phosphorus layers
• Semiconductor Bloch equation analysis of optical Stark and Bloch-Siegert shifts in monolayers WSe${}_2$ and MoS${}_2$
• Excitonic Bloch equations from first principles
• Analytical Quantitative Semi-Classical Approach to the LoSurdo-Stark Effect and Ionization in 2D excitons
• Spatiotemporal dynamics of free and bound excitons in CVD-grown MoS${}_2$ monolayer
• Excitons in planar quantum wells based on transition metal dichalcogenides
• Effect of photoinduced screening on the spectroscopic signature of exciton-phonon coupling
• Effect of intravalley and intervalley electron-hole exchange on the nonlinear optical response of monolayer MoSe${}_2$
• Valley-contrasting interband transitions and excitons in symmetrically biased dice model
• Quadrupolar and Dipolar Excitons in Bilayer 2$H$-MoSe${}_2$
• Shaping Exciton Polarization Dynamics in 2D Semiconductors by Tailored Ultrafast Pulses
• Inheritance of the exciton geometric structure from Bloch electrons in two-dimensional layered semiconductors
• Magneto-reflection spectroscopy of monolayer transition-metal dichalcogenide semiconductors in pulsed magnetic fields
• Phonons of electronic crystals in two-dimensional semiconductor moiré patterns
• Symmetry Classification for Alternating Excitons in Two-Dimensional Altermagnets
• Excitonic effects in time-dependent density functional theory from zeros of the density response
• Robust polaritons in magnetic monolayers of CrI3
• Single exciton trapping in an electrostatically defined 2D semiconductor quantum dot
• Dynamics of Two Distinct Exciton Populations in Methyl-functionalized Germanane
• Trapping Interlayer Excitons in van der Waals Heterostructures by Potential Arrays
• Electrically controlled emission from triplet charged excitons in atomically thin heterostructures
• Formation of dark excitons in monolayer transition metal dichalcogenides by a vortex beam: optical selection rules
• Excitons and trions with negative effective masses in two-dimensional semiconductors
• Trion ground state energy: simple results
• Controlling relaxation dynamics of excitonic states in monolayer transition metal dichalcogenides WS2 through interface engineering
• Longitudinal-transverse splitting and fine structure of Fermi polarons in two-dimensional semiconductors
• Imaging Seebeck drift of excitons and trions in MoSe2 monolayers
• The Importance of Pure Dephasing in the Optical Response of Excitons in High-quality van der Waals Heterostructures
• Long-distance decay-less spin transport in indirect excitons in a van der Waals heterostructure
• Retrieval of material properties of monolayer transition-metal dichalcogenides from magnetoexciton energy spectra
• Simulation of emission spectra of transition-metal dichalcogenide monolayers with the multimode Brownian oscillator model
• Valley-selective energy transfer between quantum dots in atomically thin semiconductors
• Anomalous energy shift of laterally confined two-dimensional excitons
• Efficient calculation of trion energies in monolayer transition metal dichalcogenides
• Coupled exciton internal and center-of-mass motions in two-dimensional semiconductors by a periodic electrostatic potential
• Rydberg excitons and polaritons in monolayer transition metal dichalcogenides in a magnetic field
• Quantum solid phase and Coulomb drag in two-dimensional electron-electron bilayers of MoS2
• Two dimensional semiconductors: optical and electronic properties
• Dynamic polarizability of low-dimensional excitons
• Modelling excitonic Mott transitions in two-dimensional semiconductors
• Multiphoton-pumped UV-Vis transient absorption spectroscopy of 2D materials: basic concepts and recent applications
• Dipolar interactions enhanced by two-dimensional dielectric screening in few-layer van der Waals structures
• Searching for Unconventional Superfluid in Excitons of Monolayer Semiconductors
• Metal-insulator transitions in bilayer electron-hole systems in transition metal dicalcogenides
• Waveguiding valley excitons in monolayer transition metal dicalcogenides by dielectric interfaces in the substrate
• Substrate Effects on the Speed Limiting Factor of WSe${}_2$ Photodetectors
• Molecule signatures in photoluminescence spectra of transition metal dichalcogenides
• Thermal effect on magnetoexciton energy spectra in monolayer transition metal dichalcogenides
• Photoexcitation of planar Wannier excitons by twisted photons
• Twist Engineering of Anisotropic Excitonic and Optical Properties of a Two-Dimensional Magnetic Semiconductor
• Nonexponential photoluminescence dynamics in an inhomogeneous ensemble of excitons in WSe${}_2$ monolayers
• Laser-field detuning assisted optimization of exciton valley dynamics in monolayer WSe${}_2$: Geometric quantum speed limit
• Brightening odd-parity excitons in transition-metal dichalcogenides: Rashba spin-orbit interaction, skyrmions, and cavity polaritons
• Tightly-bound and room-temperature-stable excitons in van der Waals degenerate-semiconductor Bi4O4SeCl2 with high charge-carrier density
• Mixed quantum-classical modeling of exciton-phonon scattering in solids: Application to optical linewidths of monolayer MoS2
• Anisotropic Keldysh interaction
• Strong Cavity-Pseudospin Coupling in Monolayer Transition Metal Dichalcogenides: Spontaneous Spin-Oscillations and Magnetometry
• Origin of selective enhancement of sharp defect emission lines in monolayer WSe${}_2$ on rough metal substrate
• Magneto-Optical Measurements of the Negatively Charged 2$s$ Exciton in WSe${}_2$
• Influence of local fields on the dynamics of four-wave mixing signals from 2D semiconductor systems
• Dynamical mean-field theory study of a ferromagnetic CrI3 monolayer
• Unusual thickness dependence of exciton characteristics in 2D perovskite quantum wells
• Valley-polarization and stable triplet exciton formation in 2D lateral heterostrcuture of hBN-kagome and graphene
• Signatures of defect-localized charged excitons in the photoluminescence of monolayer molybdenum disulfide
• Twistronics and moiré superlattice physics in 2D transition metal dichalcogenides
• Ultrafast transient absorption spectroscopy of 2D semiconductors: a review
• Persistence of charge ordering instability to Coulomb engineering in the excitonic insulator candidate TiSe${}_2$
• Component exchange theory of trions
• Hybrid dark excitons in monolayer ${MoS}_2$
• Exchange-enhanced spin-orbit splitting and its density dependence for electrons in monolayer transition metal dichalcogenides
• Photoemission electron microscopy of exciton-polaritons in thin WSe${}_2$ waveguides
• Ultrafast melting of charge-density wave fluctuations at room temperature in $1T-TiS{e}_2$ monitored under non-equilibrium conditions
• Excitons in epitaxially grown WS2 on Graphene: a nanometer-resolved EELS and DFT study
• Electric-field-tunable intervalley excitons and phonon replicas in bilayer WSe${}_2$
• Temperature-dependent Optical and Polaritonic Properties of hBN-encapsulated Monolayer TMDs
• Ultrafast Charge Separation Induced by a Uniform Field in Graphene Nanoribbons
• Ultra-Sensitive Extinction Measurements of Optically Active Defects in Monolayer MoS${}_2$
• Wannier-Function-Based Approach to Coupled Exciton-Phonon-Photon Dynamics in Two-Dimensional Semiconductors
• Analytical exciton energies in monolayer transition-metal dichalcogenides
• Topologically tunable polaritons based on two-dimensional crystals in a photonic lattice
• Spin dynamics of hot excitons in diluted magnetic semiconductors with spin-orbit interaction
• Cosmic string influence on a 2D hydrogen atom and its relationship with the Rytova-Keldysh logarithmic approximation in semiconductors
• Collective Mie Exciton-Polaritons in an Atomically Thin Semiconductor
• Trion confinement in monolayer MoSe2 by carbon nanotube local gating
• Photoluminescence Detection of Polytype Polarization in r-MoS2 Enabled by Asymmetric Dielectric Environments
• Manipulating single photon emitter radiative lifetime in transition-metal dichalcogenides through Forster resonance energy transfer to graphene
• Dissecting intervalley coupling mechanisms in monolayer transition metal dichalcogenides
• Topologically-enhanced exciton transport
• Exciton spectrum in two-dimensional transition metal dichalcogenides: The role of Diracness
• Designable exciton mixing through layer alignment in WS${}_2$-graphene heterostructures
• Cryogenic Nano-Imaging of Excitons in a Monolayer Semiconductor
• Insensitivity of the striped charge-orders in IrTe${}_2$ to alkali surface doping implies their structural origin
• Distinct terahertz third-harmonic generation of many-body excitonic states
• Theory of phonon sidebands in the absorption spectra of moiré exciton-polaritons
• Strain-Enabled Giant Second-Order Susceptibility in Monolayer WSe${}_2$
• Retrieval of fundamental material parameters of monolayer transition metal dichalcogenides from experimental exciton energies: An analytical approach
• Highly tunable quantum light from moiré trapped excitons
• Dielectric permittivity tensor dynamics of in-plane hyperbolic van der Waals MoOCl2 and emergent chiral photonic applications
• Observation of quasi-steady dark excitons and gap phase in a doped semiconductor
• Strategies to search for two-dimensional materials with long spin qubit coherence time
• Ultrafast Terahertz Probe of Transient Evolution of Charged and Neutral Phase of Photoexcited Electron-hole Gas in Monolayer Semiconductor
• Hierarchical Disorder in Moiré Exciton Photoluminescence Probed by Spectral-Descriptor Correlations
• Substrate pre-sputtering for layer-by-layer van der Waals epitaxy of 2D materials
• Monolayer Excitonic Laser
• Enhancement of the WS${}_2$ A${}_{1\text{g}}$ Raman Mode in MoS${}_2$/WS${}_2$ Heterostructures
• Variational and field-theoretical approach to exciton-exciton interactions and biexcitons in semiconductors
• Ferroelectric Control of Interlayer Excitons in 3R-MoS${}_2$ / MoSe${}_2$ Heterostructures
• Coulomb potential screening via charged carriers and charge-neutral dipoles/excitons in two-dimensional case
• Bound states in the continuum in cuprous oxide quantum wells
• Substrate Induced Optical Anisotropy in Monolayer MoS${}_2$
• Unraveling Intertwined Impacts between Lattice Vacancy and Substrate on Photonic Quasiparticles in Monolayer MoS${}_2$
• Photo-physics and electronic structure of lateral graphene/MoS2 and metal/MoS2 junctions
• Multiple Parameter Dynamic Photoresponse Microscopy for data-intensive optoelectronic measurements of van der Waals heterostructures
• Engineering topological exciton structures in two-dimensional semiconductors by a periodic electrostatic potential
• Photoluminescence switching in a two-dimensional atomic crystal
• Strong intervalley correlation induced a magnetic order transition in monolayer ${\text{MoS}}_2$
• Effects of Strain-Induced Pseudogauge Fields on Exciton Dispersion, Transport, and Interactions in Transition Metal Dichalcogenides Nanoribbons
• Organic-Inorganic Polaritonics: Linking Frenkel and Wannier-Mott Excitons
• Broadband optical parametric amplification by two-dimensional semiconductors
• Role of excited states in the dynamics of excitons and their spins in diluted magnetic semiconductors
• Quasi-equilibrium polariton condensates in the non-linear regime and beyond
• Renormalization of the optical band gap through an effective Thirring interaction for massive Dirac-like electrons
• Bosonic interactions in a nonlocal theory in (2+1) dimensions
• Planar Bragg microcavities with monolayer WS${}_2$ for strong exciton-photon coupling
• Observation of the Interlayer Exciton Gases in WSe${}_2$ -p: WSe${}_2$ Heterostructures
• Tracking the photoinduced dynamics of a dark excitonic state in single-layer WS${}_2$ via resonant Autler-Townes splitting
• Mechanical Detuning of Exciton-Phonon Resonance in WS2
• Excitonic Transport and Intervalley Scattering in Exfoliated MoSe2 Monolayer Revealed by Four-Wave-Mixing Transient Grating Spectroscopy
• Uniform Narrow Excitonic Spectrum in Large-Area Suspended WSe2 Monolayers
• Ferroelectric gating of the PL in MoSe2
• Quantum beats of coherent 1s 2s excitons in two dimensional transition metal
• Understanding the different exciton-plasmon coupling regimes in two-dimensional semiconductors coupled with plasmonic lattices: a combined experimental and unified equations of motion approach
• Phonon-induced Markovian and non-Markovian effects on absorption spectra of moiré excitons in twisted transition metal dichalcogenide bilayers
• Renormalization of the 3D exciton spectrum by the disorder
• Integration of atomically thin layers of transition metal dichalcogenides into high-Q, monolithic Bragg-cavities - an experimental platform for the enhancement of optical interaction in 2D-materials
• Graphene as a Tunable Nonradiative Bath for Moiré Excitons
• Electric field tunable magnetoexcitons in Xenes-hBN-TMDC, Xenes-hBN-BP, and Xenes-hBN-TMTC heterostructures
• Brightening interlayer excitons by electric-field-driven hole transfer in bilayer WSe2
• Momentum Conserved Ultrafast Charge Transfer Dynamics of Interlayer Excitons in vdW Heterostructures
• Ferroelectric driven exciton and trion modulation in monolayer MoSe2 and WSe2
• Interaction effects on electronic Floquet spectra: Excitonic effects
• Interaction enhanced inter-site hoppings for holons and interlayer exciton insulators in moiré correlated insulators
• Layer-dependent Optical and Dielectric Properties of Large-size PdSe${}_2$ Films Grown by Chemical Vapor Deposition
• Nonlinear optics in the electron-hole continuum in 2D semiconductors: two-photon transition, second harmonic generation and valley current injection
• Spin-polarized triplet excitonic insulators in Ta3X8 (X=I, Br) monolayers
• Two-color Kerr microscopy of two-dimensional materials with sub-picosecond time resolution
• Revealing the nanogeometry of WS2 nanoflowers by polarization-resolved Raman spectroscopy
• Machine Learning-Driven Insights into Excitonic Effects in 2D Materials
• Hyperfine interaction in atomically thin transition metal dichalcogenides
• Two-dimensional bound excitons in real space and Landau quantization space: A comparative study
• Experimental valley qubit state tomography and coherence induced uncertainty relations in monolayer WSe${}_2$
• Subnanometric control of coupling between WS${}_2$ monolayers with a molecular spacer
• Magnetic control of Goos-Hänchen shifts and group delay time in monolayer WSe${}_2$
• Optical Measurement of Pseudo-Spin Texture of the Exciton Fine-Structure in Monolayer WSe2 within the Light Cone
• Symmetries in zero and finite center-of-mass momenta excitons
• Low-dimensional quantum systems
• Gate-modulated reflectance spectroscopy for detecting excitonic species in two-dimensional semiconductors
• Two-dimensional Ga${}_2$O${}_3$ glass: a large scale passivation and protection material for monolayer WS${}_2$
• High-temperature observation of intralayer, interlayer, and Rydberg excitons in bulk van der Waals alloy single crystals
• Momentum resolved ground/excited states and the ultra-fast excited state dynamics of monolayer MoS2
• Exciton Binding Energies in 2D Materials: Insights from Braneworld Physics
• Semiclassical approach for excitonic spectrum of Coulomb coupling between two Dirac particles
• Mobile impurity interacting with a Hubbard chain and the role of Friedel oscillations
• Highly Efficient Carrier Multiplication in van der Waals layered Materials