Organic–Inorganic\nHybrid Cuprous Halide Scintillators\nfor Flexible X‑ray Imaging

Abstract

Recently,\norganic-inorganic hybrid scintillators have received\nmore and more attention because of their merits of easy preparation,\ngood stability, and nontoxicity. Considering the high cost of traditional\ninorganic scintillators, here we describe experimental investigations\nof a low-cost zero-dimensional scintillator comprising organic-inorganic\nhybrid cuprous halide and its capabilities for sensitive X-ray detection\nand flexible X-ray imaging. This scintillator is synthesized using\na facile antisolvent diffusion method with large scalability (50 g).\nThe crystal structure shows an unreported plane rhombus cuprous halide\ncore, which also demonstrates outstanding photoluminescence with a\nhigh quantum yield (99.5%), excellent radioluminescence with an efficient\ninternal light yield (25 000 photon/MeV), and sensitive X-ray\nresponse with a low detection limit (40.4 nGy/s). The organic-inorganic\nhybrid chemical feature allows the fabrication of a flexible film\nbased on this scintillator for fine-resolution X-ray radiography.\nThese advantages endow our organic–inorganic hybrid scintillator\nwith promising potential in wearable and portable medical devices.