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Large-Scale Mechanochemical Synthesis of Cesium Lanthanide Chloride for Radioluminescence
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    Large-Scale Mechanochemical Synthesis of Cesium Lanthanide Chloride for Radioluminescence
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    • Tuhin Samanta
      Tuhin Samanta
      Division of Materials Science and Engineering, Hanyang University, 222 Wangsimni-ro Seongdong-gu, Seoul 04763, Republic of Korea
    • Joo Hyeong Han
      Joo Hyeong Han
      Division of Materials Science and Engineering, Hanyang University, 222 Wangsimni-ro Seongdong-gu, Seoul 04763, Republic of Korea
    • Han Uk Lee
      Han Uk Lee
      Department of Materials Science and Engineering, Ajou University, Suwon-si, Gyeonggi-do 16499, Republic of Korea
      Department of Energy Systems Research, Ajou University, Suwon 16499, Republic of Korea
      More by Han Uk Lee
    • Bo Kyung Cha
      Bo Kyung Cha
      Precision Medical Device Research Center, Korea Electrotechnology Research Institute (KERI), Ansan 15588, Republic of Korea
      More by Bo Kyung Cha
    • Yong Min Park
      Yong Min Park
      Division of Materials Science and Engineering, Hanyang University, 222 Wangsimni-ro Seongdong-gu, Seoul 04763, Republic of Korea
    • Noolu Srinivasa Manikanta Viswanath
      Noolu Srinivasa Manikanta Viswanath
      Division of Materials Science and Engineering, Hanyang University, 222 Wangsimni-ro Seongdong-gu, Seoul 04763, Republic of Korea
    • Han Bin Cho
      Han Bin Cho
      Division of Materials Science and Engineering, Hanyang University, 222 Wangsimni-ro Seongdong-gu, Seoul 04763, Republic of Korea
      More by Han Bin Cho
    • Hyeon Woo Kim
      Hyeon Woo Kim
      Division of Materials Science and Engineering, Hanyang University, 222 Wangsimni-ro Seongdong-gu, Seoul 04763, Republic of Korea
      Nano Convergence Materials Center, Korea Institute of Ceramic Engineering and Technology (KICET), Jinju 52851, Republic of Korea
    • Sung Beom Cho
      Sung Beom Cho
      Department of Materials Science and Engineering, Ajou University, Suwon-si, Gyeonggi-do 16499, Republic of Korea
      Department of Energy Systems Research, Ajou University, Suwon 16499, Republic of Korea
    • Won Bin Im*
      Won Bin Im
      Division of Materials Science and Engineering, Hanyang University, 222 Wangsimni-ro Seongdong-gu, Seoul 04763, Republic of Korea
      *[email protected]
      More by Won Bin Im
    Other Access OptionsSupporting Information (1)

    Inorganic Chemistry

    Cite this: Inorg. Chem. 2024, 63, 35, 16483–16490
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    https://doi.org/10.1021/acs.inorgchem.4c02766
    Published August 22, 2024
    Copyright © 2024 American Chemical Society

    Abstract

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    Cesium lanthanide chloride (Cs3LnCl6), a recently developed class of lanthanide-based zero-dimensional metal halides, has garnered a significant amount of interest because of its potential applications in scintillators, light-emitting diodes, and photodetectors. Although cesium lanthanide chloride demonstrates exceptional scintillator properties, conventional synthesis methods involving solid-state and solution-phase techniques are complex and limited on the reaction scale. This study presents a facile mechanochemical synthesis method for producing Cs3CeCl6, Cs3TbCl6, and Cs3EuCl6 metal halides on a 5 g scale. These materials exhibit intense blue-violet, green, and red emissions upon ultraviolet excitation, with high photoluminescence quantum yields ranging from 54% to 93%. Furthermore, Cs3CeCl6, Cs3TbCl6, and Cs3EuCl6 metal halides exhibit intense radioluminescence spanning from the ultraviolet to the visible region. This research shows the potential of the scalable mechanochemical synthesis of lanthanide-based metal halides for the advancement of luminescent materials for scintillators.

    Copyright © 2024 American Chemical Society

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    Supporting Information

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    The Supporting Information is available free of charge at https://pubs.acs.org/doi/10.1021/acs.inorgchem.4c02766.

    • X-ray diffraction patterns, Rietveld refinement data from the X-ray diffraction patterns, results of X-ray photoelectron spectroscopy, scanning electron microscopy images, temperature-dependent photoluminescence spectra, and partial charge distributions of the metal halides (PDF)

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    Inorganic Chemistry

    Cite this: Inorg. Chem. 2024, 63, 35, 16483–16490
    Click to copy citationCitation copied!
    https://doi.org/10.1021/acs.inorgchem.4c02766
    Published August 22, 2024
    Copyright © 2024 American Chemical Society

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