Observation of tightly bound trions in monolayer MoS2

Abstract

Two-dimensional (2D) atomic crystals, such as graphene and transition-metal dichalcogenides, have emerged as a new class of materials with remarkable physical properties. In contrast to graphene, monolayer MoS2 is a non-centrosymmetric material with a direct energy gap. Strong photoluminescence, a current on-off ratio exceeding 10^8 in field-effect transistors, and efficient valley and spin control by optical helicity have recently been demonstrated in this material. Here we report the spectroscopic identification in doped monolayer MoS2 of tightly bound negative trions, a quasi-particle composed of two electrons and a hole. These quasi-particles, which can be created with valley and spin polarized holes, have no analogue in other semiconducting materials. They also possess a large binding energy (~ 20 meV), rendering them significant even at room temperature. Our results open up new avenues both for fundamental studies of many-body interactions and for opto-electronic and valleytronic applications in 2D atomic crystals.

18 pages including supplementary information

References in corpus (4)

• Anomalous Lattice Vibrations of Single and Few-Layer MoS2
• Valley polarization in MoS2 monolayers by optical pumping
• Determination of the electronic structure of bilayer graphene from infrared spectroscopy results
• Electronic structure of two-dimensional crystals from ab-initio theory

Cited by in corpus (569)

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• Bandgap Engineering of Strained Monolayer and Bilayer MoS2
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• Excitons in atomically thin transition metal dichalcogenides
• Evolution of Electronic Structure in Atomically Thin Sheets of WS2 and WSe2
• Observation of giant bandgap renormalization and excitonic effects in a monolayer transition metal dichalcogenide semiconductor
• Electrically Tunable Excitonic Light Emitting Diodes based on Monolayer WSe2 p-n Junctions
• Observation of Long-Lived Interlayer Excitons in Monolayer MoSe2-WSe2 Heterostructures
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• Electrical Control of Two-Dimensional Neutral and Charged Excitons in a Monolayer Semiconductor
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• Optical Generation of Excitonic Valley Coherence in Monolayer WSe2
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• Measurement of the optical dielectric function of transition metal dichalcogenide monolayers: MoS2, MoSe2, WS2 and WSe2
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• Tightly bound excitons in monolayer WSe2
• Strong Photoluminescence Enhancement of MoS2 through Defect Engineering and Oxygen Bonding
• Observation of Moiré Excitons in WSe2/WS2 Heterostructure Superlattices
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• Intervalley biexcitons and many-body effects in monolayer MoS2
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• Folded MoS2 layers with reduced interlayer coupling
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• Mechanisms of Ultrafast Charge Separation in a PTB7/Monolayer MoS2 van der Waals Heterojunction
• Probing Many-Body Interactions in Monolayer Transition-Metal Dichalcogenides
• Excitons and trions in monolayer transition metal dichalcogenides: A comparative study between the multiband model and the quadratic single-band model
• Observation of a smooth polaron-molecule transition in a degenerate Fermi gas
• Roadmap for Photonics with 2D Materials
• Electrically tunable organic-inorganic hybrid polaritons with monolayer WS2
• Excitonic Stark effect in MoS${}_2$ monolayers
• Oxygen passivation mediated tunability of trion and excitons in MoS${}_2$
• Exciton complexes in low dimensional transition metal dichalcogenides
• Layer-dependent surface potential of phosphorene and anisotropic/layer-dependent charge transfer in phosphorene-gold hybrid system
• Enhanced interlayer neutral excitons and trions in trilayer van der Waals heterostructures
• Electron irradiation of metal contacts in monolayer MoS${}_2$ Field-Effect Transistors
• Imaging Spin Dynamics in Monolayer WS2 by Time-Resolved Kerr Rotation Microscopy
• Defect healing and charge transfer mediated valley polarization in MoS${}_2$/MoSe${}_2$/MoS${}_2$ trilayer van der Waals heterostructures
• Temperature Renormalization of Optical Spectra of Monolayer MoS2
• Strain induced mobility modulation in single-layer MoS${}_2$
• Many-Body Simulation of Two-Dimensional Electronic Spectroscopy of Excitons and Trions in Monolayer Transition-Metal Dichalcogenides
• Anomalous temperature-dependent spin-valley polarization in monolayer WS${}_2$
• Selective amplification of primary exciton in monolayer MoS2
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• Dark trions govern the temperature-dependent optical absorption and emission of doped atomically thin semiconductors
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• Excitonic effects in two-dimensional semiconductors: Path integral Monte Carlo approach
• Cross-over from trion-hole to exciton-polaron in n-doped semiconductor quantum wells
• Carrier Trapping by Oxygen Impurities in Molybdenum Diselenide
• Highly Confined In-plane Exciton-Polaritons in Monolayer Semiconductors
• Dark trions and biexcitons in WS2 and WSe2 made bright by e-e scattering
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• Boosting quantum yields in 2D semiconductors via proximal metal plates
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• Reconfigurable p-n Junction Diodes and the Photovoltaic Effect in Exfoliated MoS2 Films
• Dielectrics for Two-Dimensional Transition Metal Dichalcogenide Applications
• Probing the uniaxial strains in MoS${}_2$ using polarized Raman spectroscopy: A first-principles study
• Trion Valley Coherence in Monolayer Semiconductors
• Large Range Manipulation of Exciton Species in Monolayer WS2
• Electrical control of lifetime-limited quantum emitters using 2D materials
• Orbital symmetry and the optical response of single-layer monochalcogenides
• Ground and Excited Exciton Polarons in Monolayer MoSe2
• The interplay between excitons and trions in a monolayer of MoSe${}_2$
• Anharmonicity in Raman-active phonon modes in atomically thin MoS${}_2$
• A Many-Body Theory of the Optical Conductivity of Excitons and Trions in Two-Dimensional Materials
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• Disentangling the effects of doping, strain and defects in monolayer WS2 by optical spectroscopy
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• Trion Species-Resolved Quantum Beats in MoSe2
• Blue shifting of the A exciton peak in folded monolayer 1H-MoS2
• Intrinsic optical conductivity of modified-Dirac fermion systems
• Electrically Controlled Two-Dimensional Electron-Hole Fluids
• Attractive and repulsive exciton-polariton interactions mediated by an electron gas
• Unconventional Excitonic States with Phonon Sidebands in Layered Silicon Diphosphide
• Unique excitonic effects in tungsten disulphide monolayers on two-layer graphene
• Gate-voltage induced trions in suspended carbon nanotubes
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• Review of Ultrafast Spectroscopy Studies of Valley Carrier Dynamics in Two Dimensional Semiconducting Transition Metal Dichalcogenides
• Electrical Reservoirs for Bilayer Excitons
• Cooperative evolution of intraband and interband excitations for high harmonic generation in strained MoS2
• Trion induced photoluminescence of a doped MoS2 monolayer
• Landau-quantized excitonic absorption and luminescence in a monolayer valley semiconductor
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• Photodetecting and Light-Emitting Devices Based on Two Dimensional Materials
• Charge Separation at Mixed-Dimensional Single and Multilayer MoS2/Silicon Nanowire Heterojunctions
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• Substrate impact on the thickness dependence of vibrational and optical properties of large area $Mo{S}_2$ produced by gold-assisted exfoliation
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• Redox-Governed Charge Doping Dictated by Interfacial Diffusion in Two-Dimensional Materials
• Iso-oriented monolayer α-MoO3(010) films epitaxially grown on SrTiO3(001)
• Nanoscale patterning of quasiparticle band alignment
• Many-body theory of optical absorption in doped two-dimensional semiconductors
• Few-body systems in condensed matter physics
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• Two-dimensional plasmonic polarons in n-doped monolayer MoS2
• Non equilibrium anisotropic excitons in atomically thin ReS${}_2$
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• A Cleanroom in a Glovebox
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• Electron recoil effect in electrically tunable MoSe2 monolayers
• Strong Valley Zeeman Effect of Dark Excitons in Monolayer Transition Metal Dichalcogenides in a Tilted Magnetic Field
• Spin/valley coupled dynamics of electrons and holes at the ${\text{MoS}}_2-{\text{MoSe}}_2$ interface
• Exfoliation of 2D van der Waals crystals in ultrahigh vacuum for interface engineering
• Biaxial strain tuning of interlayer excitons in bilayer MoS2
• In-Situ Monitoring of Thermal Annealing Induced Evolution in Film Morphology and Film-Substrate Bonding in a Monolayer MoS2 Film
• Semiconducting van der Waals Interfaces as Artificial Semiconductors
• Approaching the robust linearity in dual-floating van der Waals photodiode
• Adhesion of 2D MoS${}_2$ to Graphite and Metal Substrates Measured by a Blister Test
• Exciton-to-trion conversion as a control mechanism for valley polarization in room-temperature monolayer WS${}_{\text{2}}$
• Manipulation of exciton and trion quasiparticles in monolayer WS2 via charge transfer
• Coherent Control of Two-Dimensional Excitons
• Modulation of trion and exciton formation in monolayer WS2 by dielectric and substrate engineering
• Broken adiabaticity induced by Lifshitz transition in MoS${}_2$ and WS${}_2$ single layers
• GW band structure of monolayer MoS2 using the SternheimerGW method and effect of dielectric environment
• Population pulsation resonances of excitons in monolayer MoSe2 with sub 1 μeV linewidth
• Strongly-bound excitons and trions in anisotropic 2D semiconductors
• Breakdown of the static approximation for free carrier screening of excitons in monolayer semiconductors
• Strain control of exciton and trion spin-valley dynamics in monolayer transition metal dichalcogenides
• Valley Degree of Freedom in Two-Dimensional van der Waals Materials
• Anomalous Stark Shift of Excitonic Complexes in Monolayer Semiconductor
• Giant excitonic effects in bulk vacancy-ordered double perovskites
• Complexes of dipolar excitons in layered quasi-two-dimensional nanostructures
• Real space visualization of entangled excitonic states in charged molecular assemblies
• Strain-induced stripe phase in charge ordered single layer NbSe${}_2$
• Inlaid ReS2 Quantum Dots in Monolayer MoS2
• Tailoring Superconductivity in Large-Area Single-Layer NbSe2 via Self-Assembled Molecular Adlayers
• Quasiparticle band-gap renormalization in doped monolayer MoS${}_2$
• Chirality of Valley Excitons in Monolayer Transition-Metal Dichalcogenides
• Tunable optical nonlinearity for TMD polaritons dressed by a Fermi sea
• Tuning carrier concentration in a superacid treated MoS${}_2$ monolayer
• Uniaxial stress controlled anisotropic Rashba effects and carriers-based currents in BiTeI monolayer semiconductor
• Oxygen-induced in-situ manipulation of the interlayer coupling and exciton recombination in Bi2Se3/MoS2 2D heterostructures
• Electroabsorption in MoS${}_2$
• Room temperature infrared photodetectors with hybrid structure based on 2D materials
• Valley two-qubit system in a MoS${}_2$-monolayer gated double quantum dot
• Acoustic Traps and Lattices for Electrons in Semiconductors
• Phonon-assisted exciton and trion conversion efficiency in transition metal Dichalcogenides
• Inter-layer charge transport controlled by exciton-trion coherent coupling
• Large thermoelectric power factor of high-mobility 1T'' phase of transition-metal dichalcogenides
• MoS${}_2$ pixel arrays for real-time photoluminescence imaging of redox molecules
• First principles coupled cluster theory of the electronic spectrum of the transition metal dichalcogenides
• Variation of photoluminescence spectral line shape of monolayer WS2
• A colloquium on the variational method applied to excitons in 2D materials
• Spatial Non-Uniformity in Exfoliated WS2 Single layers
• Tuning the Optical Properties of an MoSe${}_2$ Monolayer Using Nanoscale Plasmonic Antennas
• Excitonic Complexes and Emerging Interlayer Electron-Phonon Coupling in BN Encapsulated Monolayer Semiconductor Alloy: WS0.6Se1.4
• Extrinsic localized excitons in patterned 2D semiconductors
• Three-particle states and brightening of intervalley excitons in a doped MoS${}_2$ monolayer
• Observation of room temperature excitons in an atomically thin topological insulator
• Stability of trions in coupled quantum wells modelled by two-dimensional bilayers
• Phase Transition in a Memristive Suspended MoS2 Monolayer Probed by Opto- and Electro-Mechanics
• Tuning of impurity-bound interlayer complexes in a van der Waals heterobilayer
• Beam steering at the nanosecond time scale with an atomically thin reflector
• Photoluminescence and charge transfer in the prototypical 2D/3D semiconductor heterostructure MoS${}_2$/GaAs
• Evidence of Rotational Fröhlich Coupling in Polaronic Trions
• Electrically tunable topological transport of moiré polaritons
• Monolayer WS${}_2$ electro- and photo-luminescence enhancement by TFSI treatment
• Trions in MoS${}_2$ are quantum superpositions of intra- and intervalley spin states
• Intricate modulation of interlayer coupling at GO/MoSe2 interface: application in time-dependent optics and device transport
• Optical spectroscopy of interlayer coupling in artificially stacked MoS2 layers
• Excitonic complexes in anisotropic atomically thin two-dimensional materials: black phosphorus and TiS${}_3$
• Trion photoluminescence and trion stability in atomically thin semiconductors
• Simulations of Trions and Biexcitons in Layered Hybrid Organic-Inorganic Lead Halide Perovskites
• Spin and Valley Noise in Two-Dimensional Dirac Materials
• Direct Observation of Intravalley Phonon Scattering of 2s Excitons in MoSe${}_2$ and WSe${}_2$ Monolayers
• Optical absorption in disordered monolayer molybdenum disulfide
• Quartet Superfluid in Two-dimensional Mass-imbalanced Fermi Mixtures
• Microscopic model of the doping dependence of line widths in monolayer transition metal dichalcogenides
• Optical properties of exciton in two-dimensional transition metal dichalcogenide nanobubbles
• Many-body theory of radiative lifetimes of exciton-trion superposition states in doped two-dimensional materials
• Large band splitting with tunable spin polarization in two-dimensional ferroelectric GaXY (X= Se, Te; Y= Cl, Br, I) family
• Unveiling hidden charge density waves in single-layer NbSe${}_2$ by impurities
• Long-lived spin polarization in n-doped MoSe${}_2$ monolayers
• Extraordinary Photostability and Davydov Splitting in BN-Sandwiched Single-Layer Tetracene Molecular Crystals
• Strongly correlated exciton-polarons in twisted homo-bilayer heterostructures
• Quasiparticle and Optical Properties of Carrier-Doped Monolayer MoTe${}_2$ from First Principles
• Microscopic theory of exciton and trion polaritons in doped monolayers of transition metal dichalcogenides
• The strong modulation limit of excitons and trions in moiré materials
• Solving the Bethe-Salpeter Equation on a Subspace: Approximations and Consequences for Low-dimensional Materials
• Probing biexciton in monolayer WS${}_2$ through controlled many-body interaction
• Photodetection in p-n junctions formed by electrolyte-gated transistors of two-dimensional crystals
• Effects of Dielectric Stoichiometry on the Photoluminescence Properties of Encapsulated WSe2 Monolayers
• Harmonic to anharmonic tuning of moiré potential leading to unconventional Stark effect and giant dipolar repulsion in WS${}_2$/WSe${}_2$ heterobilayer
• On Binding Energy of Trions in Bulk Materials
• Wigner Crystals in Two-Dimensional Transition-Metal Dichalcogenides: Spin Physics and Readout
• Laser Annealing for Radiatively Broadened MoSe2 grown by Chemical Vapor Deposition
• Engineering 2D material exciton lineshape with graphene/h-BN encapsulation
• Spectrum of exciton states in monolayer transition metal dichalcogenides: angular momentum and Landau levels
• Effect of fermion indistinguishability on optical absorption of doped two-dimensional semiconductors
• Effect of strain and sulfur vacancies on the luminescence and valley polarization properties of CVD grown monolayer MoS${}_2$ films
• Excitation-Dependent High-Lying Excitonic Exchange via Interlayer Energy Transfer from Lower-to-Higher Bandgap 2D Material
• Variationally optimized orbital approach to trions in two-dimensional materials
• Computing Optical Properties of Ultra-thin Crystals
• Emergence of 6-particle "hexciton'' states in WS${}_2$ and MoSe${}_2$ monolayers
• Elastomeric waveguide on-chip coupling of an encapsulated MoS${}_2$ monolayer
• Valley-selective exciton bistability in a suspended monolayer semiconductor
• Light-matter coupling and non-equilibrium dynamics of exchange-split trions in monolayer WS2
• Excited-State Trions in Two Dimensional Materials
• Excitonic theory of doping-dependent optical response in atomically thin semiconductors
• Transport properties of spin-triplet superconducting monolayer $Mo{S}_2$
• Influence of Rhenium Concentration on Charge Doping and Defect Formation in MoS2
• Plasmon modes of bilayer molybdenum disulfide: A density functional study
• Nano-optical investigation of grain boundaries, strain and edges in CVD grown MoS${}_2$ monolayers
• Computational methods for 2D materials modelling
• Multidimensional Analysis of Excitonic Spectra of Monolayers of Tungsten Disulphide: Towards Computer Aided Identification of Structural and Environmental Perturbations of 2D Materials
• A solution to electric-field screening in diamond quantum electrometers
• Distance dependence of the energy transfer mechanism in WS${}_2$-graphene heterostructures
• Tuning exciton recombination rates in doped transition metaldichalcogenides
• Effects of dynamical dielectric screening on the excitonic spectrum of monolayer semiconductors
• Trion clustering structure and binding energy in 2D semiconductor materials: Faddeev equations approach
• Trion-trion annihilation in monolayer WS${}_2$
• Influence of direct deposition of dielectric materials on the optical response of monolayer WS${}_2$
• Two-dimensional excitons in monolayer transition metal dichalcogenides from simple models and variational calculations
• Ultrafast Chirality-dependent Dynamics from Helicity-resolved Transient Absorption Spectroscopy
• Theory of the Coherent Response of Magneto-Excitons and Magneto-Biexcitons in Monolayer Transition Metal Dichalcogenides
• Polaritons in an electron gas -- quasiparticles and Landau effective interactions
• Light sources with bias tunable spectrum based on van der Waals interface transistors
• Triangular lattice exciton model
• Large conduction band and Fermi velocity spin splittings due to Coulomb interactions in single-layer MoS_{2}
• Nonlinear optical response of resonantly driven polaron-polaritons
• Nonclassical Light from Exciton Interactions in a Two-Dimensional Quantum Mirror
• Interplay of valley polarized dark trion and dark exciton-polaron in monolayer WSe2
• Gate-tunable trion switch for excitonic device applications
• Many-Body Effect of Mesoscopic Localized States in MoS${}_2$ Monolayer
• Unambiguous identification of monolayer phosphorene by phase-shifting interferometry
• Gate-controlled supercurrent reversal in MoS${}_2$-based Josephson junctions
• MoS${}_2$ flake as a van der Waals homostructure: luminescence properties and optical anisotropy
• Understanding the optical properties of doped and undoped 9-armchair graphene nanoribbons in dispersion
• The deep-acceptor nature of the chalcogen vacancies in 2D transition-metal dichalcogenides
• Influence of the Pauli exclusion principle on scattering properties of cobosons
• Two-dimensional polaron spectroscopy of Fermi superfluids
• Trion formation resolves observed peak shifts in the optical spectra of transition metal dichalcogenides
• Trion resonance in polariton-electron scattering
• Moiré excitons in biased twisted bilayer graphene under pressure
• Electrically tunable layer-hybridized trions in doped WSe${}_2$ bilayers
• A polarizing situation: Taking an in-plane perspective for next-generation near-field studies
• Large trion binding energy in monolayer WS${}_2$ via strain-enhanced electron-phonon coupling
• Terahertz field effect in a two-dimensional semiconductor MoS2
• Synthesis and optical properties of large-scale single-crystalline two-dimensional semiconductor WS2 monolayer from chemical vapor deposition
• Spin-triplet $f$-wave symmetry in superconducting monolayer $Mo{S}_2$
• Way to observe the implausible "trion-polariton"
• Trion-based High-speed Electroluminescence from Semiconducting Carbon Nanotube Films
• Heterointerface effects in the electro-intercalation of van der Waals heterostructures
• Controlling relaxation dynamics of excitonic states in monolayer transition metal dichalcogenides WS2 through interface engineering
• Fabrication of high-quality PMMA/SiO${}_x$ spaced planar microcavities for strong coupling of light with monolayer WS${}_2$ excitons
• Simulation of emission spectra of transition-metal dichalcogenide monolayers with the multimode Brownian oscillator model
• Numerical Investigation of Triexciton Stabilization in Diamond with Multiple Valleys and Bands
• Excitons and trions with negative effective masses in two-dimensional semiconductors
• Multi-component plasmons in monolayer MoS${}_2$ with circularly polarized optical pumping
• Longitudinal-transverse splitting and fine structure of Fermi polarons in two-dimensional semiconductors
• Theoretical analysis of thermal boundary conductance of MoS2-SiO2 and WS2-SiO2 interface
• Spin Hall effect for polaritons in a TMDC monolayer embedded in a microcavity
• Interplay of trapped species and absence of electron capture in Moiré heterobilayers
• Experimental evidences of trions and Fermi edge singularity in single barrier GaAs/AlAs/GaAs heterostructure using photocapacitance spectroscopy
• Efficient calculation of trion energies in monolayer transition metal dichalcogenides
• Competing few-body correlations in ultracold Fermi polarons
• Modelling excitonic Mott transitions in two-dimensional semiconductors
• Waveguiding valley excitons in monolayer transition metal dicalcogenides by dielectric interfaces in the substrate
• Persistence of charge ordering instability to Coulomb engineering in the excitonic insulator candidate TiSe${}_2$
• Magneto-Optical Measurements of the Negatively Charged 2$s$ Exciton in WSe${}_2$
• Signatures of defect-localized charged excitons in the photoluminescence of monolayer molybdenum disulfide
• Mixed quantum-classical modeling of exciton-phonon scattering in solids: Application to optical linewidths of monolayer MoS2
• Electron-hole superfluidity controlled by a periodic potential
• Doping-induced non-Markovian interference causes excitonic linewidth broadening in monolayer WSe${}_2$
• Spectroscopic investigation of defects in two dimensional materials
• Ultra-Low Threshold Monolayer Semiconductor Nanocavity Lasers
• Resonance triplet dynamics in the quenched unitary Bose gas
• Excitonic Complexes and Optical Gain in Two-Dimensional Molybdenum Ditelluride Well below Mott Transition
• Mechanical properties of lateral transition metal dichalcogenide heterostructures
• Transition-metal dichalcogenide heterostructure solar cells: A numerical study
• Width-dependent Photoluminescence and Anisotropic Raman Spectroscopy from Monolayer MoS${}_2$ Nanoribbons
• Trion emission from frozen p-n junctions in networks of electrolyte-gated (6,5) single-walled carbon nanotubes
• Electrostatic control of the trion fine structure in transition metal dichalcogenide monolayers
• Charged excitons or trions in 2D parabolic quantum dots?
• Pyroelectric doping reversal of MoS2 p-n junctions on ferroelectric domain walls probed by photoluminescence
• Trion Engineered Multimodal Transistors in Two dimensional Bilayer Semiconductor Lateral Heterostructures
• Photoluminescence Detection of Polytype Polarization in r-MoS2 Enabled by Asymmetric Dielectric Environments
• Trion confinement in monolayer MoSe2 by carbon nanotube local gating
• Robustness of momentum-indirect interlayer excitons in MoS2/WSe2 heterostructure against charge carrier doping
• Symmetric Domain Segmentation in WS2 Flakes: Correlating spatially resolved photoluminescence, conductance with valley polarization
• Resonant Photon-Exciton Coupling in All-Semiconductor Heterostructures Composed of Silicon Nanosphere and Monolayer WS2
• Lateral heterojunctions within monolayer semiconductors
• Exciton Mott Transition in Two-Dimensional Semiconductors
• Room-Temperature Quantum-Confined Stark Effect in Atomically Thin Semiconductor
• Macroscopic electro-optical modulation of solution-processed molybdenum disulfide
• Three-Body Bound States of Quantum Particles: Higher Stability Through Braiding
• Valley-dependent emission patterns enabled by plasmonic nanoantennas
• Silicon nanoantennas for tailoring the optical properties of MoS2 monolayers
• Impact of an electron Wigner crystal on exciton propagation
• Disorder of Excitons and Trions in Monolayer MoSe2
• Insights into vibrational and electronic properties of MoS${}_2$ using Raman, photoluminescence and transport studies
• Directly grown monolayer MoS2 on Au foils as efficient hydrogen evolution catalysts
• Growth-Etch Metal-Organic Chemical Vapor Deposition Approach of WS2 Atomic-Layers
• Spectral asymmetry of phonon sideband luminescence in monolayer and bilayer WSe2
• Unraveling Intertwined Impacts between Lattice Vacancy and Substrate on Photonic Quasiparticles in Monolayer MoS${}_2$
• Functional-renormalization-group approach to strongly coupled Bose-Fermi mixtures in two dimensions
• High-Mobility and High-Optical Quality Atomically Thin WS2
• Fine structure of negatively charged and neutral excitons in monolayer MoS${}_2$
• Synthesis of ultrahigh-quality monolayer molybdenum disulfide through in-situ defect healing with thiol molecules
• Strong Exciton-Photon Coupling in Large Area MoSe${}_2$ and WSe${}_2$ Heterostructures Fabricated from Two-Dimensional Materials Grown by Chemical Vapor Deposition
• Direct observation of internal quantum transitions and femtosecond radiative decay of excitons in monolayer WSe_2
• The comparative defect study on the polymeric transfer of MoS2 monolayers
• Trion transfer in mixed-dimensional heterostructures
• Testbeds for Transition Metal Dichalcogenide Photonics: Efficacy of Light Emission Enhancement in Monomer vs. Dimer Nanoscale Antennae
• Optical properties of Fermi polarons in a GaInP/MoSe2 monolayer heterostructure
• Terahertz radiation induced attractive-repulsive Fermi polaron conversion in transition metal dichalcogenide monolayers
• Optical Imaging of Chemically and Geometrically Controlled Interfacial Diffusion and Redox in 2D van der Waals Space
• Scalable Etch-Free Transfer of Low-Dimensional Materials from Metal Films to Diverse Substrates
• Etching-free transfer of wafer-scale MoS2 films
• Monolayer Excitonic Laser
• Strain-Modulated Interlayer Charge and Energy Transfers in MoS2/WS2 Heterobilayer
• Electrical Control of Linear Dichroism in Black Phosphorus from the Visible to Mid-Infrared
• Trion-phonon interaction in atomically thin semiconductors
• Direct measurement of photoinduced transient conducting state in multilayer 2H-MoTe2
• Semiclassical approach for excitonic spectrum of Coulomb coupling between two Dirac particles
• Raman scattering and anomalous Stokes anti-Stokes ratio in MoTe2 atomic layers
• Enhanced Light Emission from the Ridge of Two-dimensional InSe Flakes
• Giant Enhancement of Photoluminescence Emission in Monolayer WS2 by Femtosecond Laser Irradiation
• Dielectric and gate metal engineering for threshold voltage modulation in enhancement mode monolayer MoS2 field effect transistors
• Understanding the different exciton-plasmon coupling regimes in two-dimensional semiconductors coupled with plasmonic lattices: a combined experimental and unified equations of motion approach
• Ferroelectric driven exciton and trion modulation in monolayer MoSe2 and WSe2
• Nonlinear optics in the electron-hole continuum in 2D semiconductors: two-photon transition, second harmonic generation and valley current injection
• Nature of Valance Band Splitting on Multilayer MoS2
• Nonlinear Raman Shift Induced by Exciton-to-Trion Transformation in Suspended Trilayer MoS2
• Contactless photo-induced carrier density control in nanocrystal MoS2 hybrids
• Multidimensional imaging reveals mechanisms controlling label-free biosensing in vertical 2DM-heterostructures
• Redox and Molecular Diffusion in 2D van der Waals Space