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Journal of Synthetic Crystals ›› 2025, Vol. 54 ›› Issue (8): 1330-1351.DOI: 10.16553/j.cnki.issn1000-985x.2025.0094

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Metal Halide Perovskite Single Crystal Scintillators for Radiation Detection

ZHANG Leilei1(), XUE Zexu1, SUN Lian1(), LIU Yang2, WANG Lukai1, WANG Zungang1()   

  1. 1.State Key Laboratory of Chemistry for NBC Hazards Protection,Beijing 102205,China
    2.State Key Laboratory of Crystal Materials,Shandong University,Jinan 250100,China
  • Received:2025-04-26 Online:2025-08-20 Published:2025-09-01

Abstract: Scintillators are materials that emit light upon excitation by particle radiation or ionizing rays. After more than a century of development, they have been widely applied in fields such as high-energy physics, astrophysics, radiation imaging, and homeland security. Most commercially available scintillator detector materials, such as NaI∶Tl and LaBr3∶Ce, are ion-doped luminescent scintillators. These materials suffer from drawbacks including hygroscopicity, self-radioactive background, and high brittleness, which increasingly fail to meet the demands of complex radiation detection applications. Metal halide perovskite scintillation materials, leveraging their structural tunability and chemical composition diversity, demonstrate superior performance compared to traditional inorganic scintillators. Particularly, their single crystals exhibit advantages including three-dimensional long-range order, absence of grain boundaries, low defect density, excellent environmental stability, and low cost, positioning them as one of the most competitive scintillator materials in recent years. This article comprehensively summarizes the research progress of metal halide perovskite scintillator single crystals in radiation detection from perspectives of molecular structure, material classification, and radiation characteristics. It also provides an outlook on potential optimization directions in this field, aiming to enhance readers' comprehensive understanding of these materials, and address challenges in selecting and structurally optimizing novel scintillator crystals.

Key words: metal halide perovskite single crystal; scintillator; radiation detection; structure type; light yield; energy resolution; decay time

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