Perovskite-based nanocrystal scintillators
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United States of America Patent
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Oct 25, 2022
Grant Date -
Jun 10, 2021
app pub date -
Apr 18, 2019
filing date -
Apr 19, 2018
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Abstract
A nanocrystal scintillator that contains a thin-film layer of perovskite-based quantum dots coated on a substrate layer. The quantum dots each have a formula of CsPbXaY3-a, CH3NH3PbX3, or NH2CH═NH2PbX3, in which each of X and Y, independently, is Cl, Br, or I, and a is 0-3. The substrate layer is an aluminum substrate, a fluoropolymer substrate, a fiber optic plate, a ceramic substrate, or a rubber substrate. Also disclosed are an ionizing radiation detector and an ionizing radiation imaging system containing such a nanocrystal scintillator.
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