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<p>Plastic scintillators made of rare-earth complexs and organic scintillators are widely applied in radiation detection, environmental protection, nuclear medicine and industrial applications. Here, we fabricate the multicolor light-emitting devices by precisely controlling the composition and ratio of three scintillating materials doped into PMMA films using rare-earth complexes and organic compounds as dopants. Notably, the dose detection limits for the ‘R’ and ‘RB’ scintillating films are measured to be 2.22 µGy/s, which is significantly lower than the 5.5 µGy/s dose rate required for X-ray diagnostic applications. Although these scintillating films demonstrate relatively lower resolution in X-ray imaging, they remain effective for imaging millimeter-scale objects. The multicolor light-emitting devices developed by using trichromatic plastic scintillators show promising potential for applications in LED lighting, X-ray detection, and imaging systems.</p>

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Applications of Multicolor Light-Emitting Devices Fabricated Using Tricolor Plastic Scintillators in LED Lighting, X-ray Detection, and Imaging

  • 期刊论文

  • 发表日期：

    2025年5月2日

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  • Biwu Liu,
  • Xiaoxiao Zhang,
  • Feng Ding,
  • Yulin Chen,
  • Jie Zhou,
  • Benli Yu,
  • Siqi Li,
  • Zhijia Hu

摘要

Plastic scintillators made of rare-earth complexs and organic scintillators are widely applied in radiation detection, environmental protection, nuclear medicine and industrial applications. Here, we fabricate the multicolor light-emitting devices by precisely controlling the composition and ratio of three scintillating materials doped into PMMA films using rare-earth complexes and organic compounds as dopants. Notably, the dose detection limits for the ‘R’ and ‘RB’ scintillating films are measured to be 2.22 µGy/s, which is significantly lower than the 5.5 µGy/s dose rate required for X-ray diagnostic applications. Although these scintillating films demonstrate relatively lower resolution in X-ray imaging, they remain effective for imaging millimeter-scale objects. The multicolor light-emitting devices developed by using trichromatic plastic scintillators show promising potential for applications in LED lighting, X-ray detection, and imaging systems.