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Bright triplet excitons in caesium lead halide perovskites

Author

Listed:
  • Michael A. Becker

    (IBM Research – Zurich
    Optical Materials Engineering Laboratory, ETH Zurich)

  • Roman Vaxenburg

    (Computational Materials Science Center, George Mason University)

  • Georgian Nedelcu

    (Institute of Inorganic Chemistry, ETH Zurich
    Laboratory for Thin Films and Photovoltaics, Empa, Swiss Federal Laboratories for Materials Science and Technology)

  • Peter C. Sercel

    (T. J. Watson Laboratory of Applied Physics, California Institute of Technology)

  • Andrew Shabaev

    (Computational Materials Science Center, George Mason University)

  • Michael J. Mehl

    (US Naval Academy)

  • John G. Michopoulos

    (Center for Computational Materials Science, Naval Research Laboratory)

  • Samuel G. Lambrakos

    (Center for Computational Materials Science, Naval Research Laboratory)

  • Noam Bernstein

    (Center for Computational Materials Science, Naval Research Laboratory)

  • John L. Lyons

    (Center for Computational Materials Science, Naval Research Laboratory)

  • Thilo Stöferle

    (IBM Research – Zurich)

  • Rainer F. Mahrt

    (IBM Research – Zurich)

  • Maksym V. Kovalenko

    (Institute of Inorganic Chemistry, ETH Zurich
    Laboratory for Thin Films and Photovoltaics, Empa, Swiss Federal Laboratories for Materials Science and Technology)

  • David J. Norris

    (Optical Materials Engineering Laboratory, ETH Zurich)

  • Gabriele Rainò

    (IBM Research – Zurich
    Institute of Inorganic Chemistry, ETH Zurich)

  • Alexander L. Efros

    (Center for Computational Materials Science, Naval Research Laboratory)

Abstract

The lowest-energy exciton state in caesium lead halide perovskite nanocrystals is shown to be a bright triplet state, contrary to expectations that lowest-energy excitons should always be dark.

Suggested Citation

  • Michael A. Becker & Roman Vaxenburg & Georgian Nedelcu & Peter C. Sercel & Andrew Shabaev & Michael J. Mehl & John G. Michopoulos & Samuel G. Lambrakos & Noam Bernstein & John L. Lyons & Thilo Stöferl, 2018. "Bright triplet excitons in caesium lead halide perovskites," Nature, Nature, vol. 553(7687), pages 189-193, January.
    • Handle: RePEc:nat:nature:v:553:y:2018:i:7687:d:10.1038_nature25147
    DOI: 10.1038/nature25147
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    Cited by:

    1. Rui Cai & Indrajit Wadgaonkar & Jia Wei Melvin Lim & Stefano Dal Forno & David Giovanni & Minjun Feng & Senyun Ye & Marco Battiato & Tze Chien Sum, 2023. "Zero-field quantum beats and spin decoherence mechanisms in CsPbBr3 perovskite nanocrystals," Nature Communications, Nature, vol. 14(1), pages 1-7, December.
    2. Gabriele Rainò & Nuri Yazdani & Simon C. Boehme & Manuel Kober-Czerny & Chenglian Zhu & Franziska Krieg & Marta D. Rossell & Rolf Erni & Vanessa Wood & Ivan Infante & Maksym V. Kovalenko, 2022. "Ultra-narrow room-temperature emission from single CsPbBr3 perovskite quantum dots," Nature Communications, Nature, vol. 13(1), pages 1-8, December.
    3. Rui Zhou & Laizhi Sui & Xinbao Liu & Kaikai Liu & Dengyang Guo & Wenbo Zhao & Shiyu Song & Chaofan Lv & Shu Chen & Tianci Jiang & Zhe Cheng & Sheng Meng & Chongxin Shan, 2023. "Multiphoton excited singlet/triplet mixed self-trapped exciton emission," Nature Communications, Nature, vol. 14(1), pages 1-13, December.
    4. Yuxuan Li & Yaoyao Han & Wenfei Liang & Boyu Zhang & Yulu Li & Yuan Liu & Yupeng Yang & Kaifeng Wu & Jingyi Zhu, 2022. "Excitonic Bloch–Siegert shift in CsPbI3 perovskite quantum dots," Nature Communications, Nature, vol. 13(1), pages 1-8, December.
    5. E. Kirstein & N. E. Kopteva & D. R. Yakovlev & E. A. Zhukov & E. V. Kolobkova & M. S. Kuznetsova & V. V. Belykh & I. A. Yugova & M. M. Glazov & M. Bayer & A. Greilich, 2023. "Mode locking of hole spin coherences in CsPb(Cl, Br)3 perovskite nanocrystals," Nature Communications, Nature, vol. 14(1), pages 1-7, December.
    6. 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.
    7. Claudiu M. Iaru & Annalisa Brodu & Niels J. J. Hoof & Stan E. T. Huurne & Jonathan Buhot & Federico Montanarella & Sophia Buhbut & Peter C. M. Christianen & Daniël Vanmaekelbergh & Celso Mello Donega , 2021. "Fröhlich interaction dominated by a single phonon mode in CsPbBr3," Nature Communications, Nature, vol. 12(1), pages 1-8, December.
    8. Philippe Tamarat & Elise Prin & Yuliia Berezovska & Anastasiia Moskalenko & Thi Phuc Tan Nguyen & Chenghui Xia & Lei Hou & Jean-Baptiste Trebbia & Marios Zacharias & Laurent Pedesseau & Claudine Katan, 2023. "Universal scaling laws for charge-carrier interactions with quantum confinement in lead-halide perovskites," Nature Communications, Nature, vol. 14(1), pages 1-8, December.

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