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Bright and durable scintillation from colloidal quantum shells

Author

Listed:
  • Burak Guzelturk

    (Argonne National Laboratory)

  • Benjamin T. Diroll

    (Argonne National Laboratory)

  • James P. Cassidy

    (Bowling Green State University)

  • Dulanjan Harankahage

    (Bowling Green State University)

  • Muchuan Hua

    (Argonne National Laboratory)

  • Xiao-Min Lin

    (Argonne National Laboratory)

  • Vasudevan Iyer

    (Oak Ridge National Laboratory)

  • Richard D. Schaller

    (Argonne National Laboratory
    Northwestern University)

  • Benjamin J. Lawrie

    (Oak Ridge National Laboratory
    Oak Ridge National Laboratory)

  • Mikhail Zamkov

    (Bowling Green State University)

Abstract

Efficient, fast, and robust scintillators for ionizing radiation detection are crucial in various fields, including medical diagnostics, defense, and particle physics. However, traditional scintillator technologies face challenges in simultaneously achieving optimal performance and high-speed operation. Herein we introduce colloidal quantum shell heterostructures as X-ray and electron scintillators, combining efficiency, speed, and durability. Quantum shells exhibit light yields up to 70,000 photons MeV−1 at room temperature, enabled by their high multiexciton radiative efficiency thanks to long Auger-Meitner lifetimes (>10 ns). Radioluminescence is fast, with lifetimes of 2.5 ns and sub-100 ps rise times. Additionally, quantum shells do not exhibit afterglow and maintain stable scintillation even under high X-ray doses (>109 Gy). Furthermore, we showcase quantum shells for X-ray imaging achieving a spatial resolution as high as 28 line pairs per millimeter. Overall, efficient, fast, and durable scintillation make quantum shells appealing in applications ranging from ultrafast radiation detection to high-resolution imaging.

Suggested Citation

  • Burak Guzelturk & Benjamin T. Diroll & James P. Cassidy & Dulanjan Harankahage & Muchuan Hua & Xiao-Min Lin & Vasudevan Iyer & Richard D. Schaller & Benjamin J. Lawrie & Mikhail Zamkov, 2024. "Bright and durable scintillation from colloidal quantum shells," Nature Communications, Nature, vol. 15(1), pages 1-10, December.
    • Handle: RePEc:nat:natcom:v:15:y:2024:i:1:d:10.1038_s41467-024-48351-9
    DOI: 10.1038/s41467-024-48351-9
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    References listed on IDEAS

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    1. Mingjian Yuan & Mengxia Liu & Edward H. Sargent, 2016. "Colloidal quantum dot solids for solution-processed solar cells," Nature Energy, Nature, vol. 1(3), pages 1-9, March.
    2. Qiushui Chen & Jing Wu & Xiangyu Ou & Bolong Huang & Jawaher Almutlaq & Ayan A. Zhumekenov & Xinwei Guan & Sanyang Han & Liangliang Liang & Zhigao Yi & Juan Li & Xiaoji Xie & Yu Wang & Ying Li & Diany, 2018. "All-inorganic perovskite nanocrystal scintillators," Nature, Nature, vol. 561(7721), pages 88-93, September.
    3. Burak Guzelturk & Benjamin L. Cotts & Dipti Jasrasaria & John P. Philbin & David A. Hanifi & Brent A. Koscher & Arunima D. Balan & Ethan Curling & Marc Zajac & Suji Park & Nuri Yazdani & Clara Nyby & , 2021. "Dynamic lattice distortions driven by surface trapping in semiconductor nanocrystals," Nature Communications, Nature, vol. 12(1), pages 1-9, December.
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