Radiation detector comprising a hybrid perovskite scintillator

G - Physics – 01 – T

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G01T 1/20 (2006.01) C09K 11/06 (2006.01) C09K 11/66 (2006.01) G01T 1/202 (2006.01)

Patent

CA 2434091

This invention provides a radiation detector using a scintillator having both a strong luminescence intensity and a short time constant. This invention is a radiation detector comprising as a scintillator an organic/inorganic perovskite hybrid compound represented by the general formula AMX3 , wherein A is R-NH3 or R'-NH2, or a mixture thereof, R is a hydrogen atom or a methyl group which may be substituted by an amino group or a halogen atom, R' is a methylene group which may be substituted by an amino group or a halogen atom, each X is a halogen atom that may be identical to or different from the other X groups, and M is a Group IVa metal, Eu, Cd,Cu, Fe, Mn or Pd.

L'invention concerne un détecteur de rayonnement présentant un scintillateur utilisant un composé hybride de type perovskite organique-inorganique représenté par la formule générale: AMX3, dans laquelle A représente R-NH3 ou R'=NH2 ou un mélange de ceux-ci, R représente un atome d'hydrogène ou un groupe méthyl éventuellement substitué avec un atome d'halogène ou un groupe amino, R' représente un groupe méthylène éventuellement substitué avec un atome d'halogène ou un groupe amino, X représente un atome d'halogène, et M représente un métal du groupe IVa, Eu, Cd, Cu, Fe, Mn ou Pb. Le scintillateur présente une force lumineuse élevée ainsi qu'une constante de temps courte.

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