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2D materials

Excitons stabilize above the band gap in bilayer WSe2

Nature Nanotechnology volume 19, pages 141–142 (2024)Cite this article

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Electric field tunable interlayer excitons in a van der Waals bilayer emit at an energy of twice the band gap.

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Fig. 1: Charge-transfer excitons in 2D bilayers.

References

  1. Lin, K.-Q. et al. Nat. Nanotechnol. https://doi.org/10.1038/s41565-023-01544-7 (2023).

    Article  PubMed  Google Scholar 

  2. Ciarrocchi, A. et al. Nat. Photon. 13, 131–136 (2019).

    Article  CAS  ADS  Google Scholar 

  3. Steeger, P. et al. Nano Lett. 23, 8947–8952 (2023).

    Article  CAS  PubMed  ADS  Google Scholar 

  4. Wang, L. et al. Nat. Mater. 19, 861–866 (2020).

    Article  CAS  PubMed  ADS  Google Scholar 

  5. Shi, Q. et al. Nat. Nanotechnol. 17, 577–582 (2022).

    Article  CAS  PubMed  ADS  Google Scholar 

  6. Lin, K.-Q. et al. Nat. Commun. 12, 5500 (2021).

    Article  CAS  PubMed  PubMed Central  ADS  Google Scholar 

  7. Lin, K.-Q., Bange, S. & Lupton, J. M. Nat. Phys. 15, 242–246 (2019).

    Article  CAS  Google Scholar 

  8. Faist, J., Capasso, F., Sirtori, C., West, K. W. & Pfeiffer, L. N. Nature 390, 589–591 (1997).

    Article  CAS  ADS  Google Scholar 

  9. Kiemle, J. et al. Phys. Rev. B 101, 121404(R) (2020).

    Article  ADS  Google Scholar 

Download references

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Authors and Affiliations

  1. Institute of Physics, University of Münster, Münster, Germany

    Nihit Saigal & Ursula Wurstbauer

  2. Center for Soft Nanoscience (SoN), University of Münster, Münster, Germany

    Nihit Saigal & Ursula Wurstbauer

Authors
  1. Nihit Saigal
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  2. Ursula Wurstbauer
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Correspondence to Ursula Wurstbauer.

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The authors declare no competing interests.

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Saigal, N., Wurstbauer, U. Excitons stabilize above the band gap in bilayer WSe2. Nat. Nanotechnol. 19, 141–142 (2024). https://doi.org/10.1038/s41565-023-01559-0

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