ArticleNature communications2018
Coulomb-bound four- and five-particle intervalley states in an atomically-thin semiconductor.
Article in Nature communications, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 33 papers.
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Who cites it
33 citing papers in PubMed, 159 citations in OpenAlex.
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- Influence of interface dielectric disorder on interlayer excitons in mixed binary/ternary TMD heterostructures.Nanoscale advances · 2025Article
- Photon Upconversion of Defect-Bound Excitons in hBN-Encapsulated MoSThe journal of physical chemistry. C, Nanomaterials and interfaces · 2024Article
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- Atomic-scale visualization of the interlayer Rydberg exciton complex in moiré heterostructures.Nature communications · 2024Article
- Excitonic Complexes in Two-Dimensional Transition Metal Dichalcogenides.Nature communications · 2023Article
- Tuning Interlayer Exciton Emission with TMD Alloys in van der Waals Heterobilayers of MoNanomaterials (Basel, Switzerland) · 2023Article
- Biexciton and Singlet Trion Upconvert Exciton Photoluminescence in a MoSeThe journal of physical chemistry letters · 2023Article
- The Key Role of Non-Local Screening in the Environment-Insensitive Exciton Fine Structures of Transition-Metal Dichalcogenide Monolayers.Nanomaterials (Basel, Switzerland) · 2023Article
- High-lying valley-polarized trions in 2D semiconductors.Nature communications · 2022Article
- Interactions between Fermi polarons in monolayer WSNature communications · 2022Article
- Optically controllable magnetism in atomically thin semiconductors.Science advances · 2022Article
- Upconversion photoluminescence excitation reveals exciton-trion and exciton-biexciton coupling in hBN/WS[Formula: see text]/hBN van der Waals heterostructures.Scientific reports · 2022Article
- Theory of Excitons in Atomically Thin Semiconductors: Tight-Binding Approach.Nanomaterials (Basel, Switzerland) · 2022Review
- Upconversion of Light into Bright Intravalley Excitons via Dark Intervalley Excitons in hBN-Encapsulated WSeACS nano · 2021Article
- Excitonic Complexes in n-Doped WSNano letters · 2021Article
- Intrinsic donor-bound excitons in ultraclean monolayer semiconductors.Nature communications · 2021Article
- Investigations of Electron-Electron and Interlayer Electron-Phonon Coupling in van der Waals hBN/WSeMaterials (Basel, Switzerland) · 2021Article
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Authors and funding
5 authors at 2 institutions in 2 countries.
Funding
Abstract
As hosts for tightly-bound electron-hole pairs carrying quantized angular momentum, atomically-thin semiconductors of transition metal dichalcogenides (TMDCs) provide an appealing platform for optically addressing the valley degree of freedom. In particular, the valleytronic properties of neutral and charged excitons in these systems have been widely investigated. Meanwhile, correlated quantum states involving more particles are still elusive and controversial despite recent efforts. Here, we present experimental evidence for four-particle biexcitons and five-particle exciton-trions in high-quality monolayer tungsten diselenide. Through charge doping, thermal activation, and magnetic-field tuning measurements, we determine that the biexciton and the exciton-trion are bound with respect to the bright exciton and the trion, respectively. Further, both the biexciton and the exciton-trion are intervalley complexes involving dark excitons, giving rise to emissions with large, negative valley polarization in contrast to that of the two-particle excitons. Our studies provide opportunities for building valleytronic quantum devices harnessing high-order TMDC excitations.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.