Publication date: 7th July 2025
Highly transparent and large-area scintillator screen is highly desirable for next-generation X-ray imaging and detection, which is essential in the fields of medical diagnostics, industrial non-destructive testing, and security screening equipment, etc... Traditional scintillators, e.g., CsI-based single-crystal materials or garnet-type Y3Al5O12:Ce transparent ceramics, etc., are expensive and complex to prepare. Thus, low-cost synthesis technologies for large-area scintillator screen is highly appreciated. In this presentation, we will summarize our recent advances in the design, fabrication and applications of large-area scintillator screen by using the highly efficient hybrid metal halides luminescent materials. Our innovative researches included, but are not limited to, 1) we adopted the seed crystal induced cold sintering techiniques to prepare metal halide transparent ceramic scintillators; 2) we invented the preparation method of zero-dimensional (0D) luminescent metal halide hybrids glass and glass-ceramics as large-area X-ray scintillators. 3) we prepared the hybrid Cu(I)-based glassy cluster gel scintillator film by in-situ UV photopolymerization, and further presented a universal scheme to rapidly synthesize luminescent ionogels through the in-situ formation of 0D hybrid metal halides during the polymerization of monomer. Our innovative work in hybrid metal halides will be important for new type of scintillators with high transparency and excellent scintillation properties to meet the demanding requirements of high-resolution, large-area X-ray imaging.
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