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Scalable photonic sources using two-dimensional lead halide perovskite superlattices

Author

Listed:
  • Jakub Jagielski

    (ETH Zürich)

  • Simon F. Solari

    (ETH Zürich)

  • Lucie Jordan

    (ETH Zürich)

  • Declan Scullion

    (Queen’s University Belfast)

  • Balthasar Blülle

    (Fluxim AG)

  • Yen-Ting Li

    (National Taiwan University of Science and Technology
    National Synchrotron Radiation Research Center)

  • Frank Krumeich

    (ETH Zürich)

  • Yu-Cheng Chiu

    (National Taiwan University of Science and Technology
    National Taiwan University)

  • Beat Ruhstaller

    (Fluxim AG
    Zurich University of Applied Sciences (ZHAW))

  • Elton J. G. Santos

    (Queen’s University Belfast)

  • Chih-Jen Shih

    (ETH Zürich)

Abstract

Miniaturized photonic sources based on semiconducting two-dimensional (2D) materials offer new technological opportunities beyond the modern III-V platforms. For example, the quantum-confined 2D electronic structure aligns the exciton transition dipole moment parallel to the surface plane, thereby outcoupling more light to air which gives rise to high-efficiency quantum optics and electroluminescent devices. It requires scalable materials and processes to create the decoupled multi-quantum-well superlattices, in which individual 2D material layers are isolated by atomically thin quantum barriers. Here, we report decoupled multi-quantum-well superlattices comprised of the colloidal quantum wells of lead halide perovskites, with unprecedentedly ultrathin quantum barriers that screen interlayer interactions within the range of 6.5 Å. Crystallographic and 2D k-space spectroscopic analysis reveals that the transition dipole moment orientation of bright excitons in the superlattices is predominantly in-plane and independent of stacking layer and quantum barrier thickness, confirming interlayer decoupling.

Suggested Citation

  • Jakub Jagielski & Simon F. Solari & Lucie Jordan & Declan Scullion & Balthasar Blülle & Yen-Ting Li & Frank Krumeich & Yu-Cheng Chiu & Beat Ruhstaller & Elton J. G. Santos & Chih-Jen Shih, 2020. "Scalable photonic sources using two-dimensional lead halide perovskite superlattices," Nature Communications, Nature, vol. 11(1), pages 1-9, December.
    • Handle: RePEc:nat:natcom:v:11:y:2020:i:1:d:10.1038_s41467-019-14084-3
    DOI: 10.1038/s41467-019-14084-3
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    Cited by:

    1. Sudhir Kumar & Tommaso Marcato & Frank Krumeich & Yen-Ting Li & Yu-Cheng Chiu & Chih-Jen Shih, 2022. "Anisotropic nanocrystal superlattices overcoming intrinsic light outcoupling efficiency limit in perovskite quantum dot light-emitting diodes," Nature Communications, Nature, vol. 13(1), pages 1-10, December.

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