Abstract
Abstract Luminescence spectral and kinetic characteristics have been studied under the synchrotron excitation in the energy range of 4–20 eV for CsPbCl 3 microcrystals dispersed in a PbCl 2 crystal matrix. In the luminescence decay kinetics of the CsPbCl 3 microcrystals, different components have been recorded and connected with the direct excitation of the microcrystals and reabsorption of the self-trapped exciton emission of a PbCl 2 matrix. The decrease of the luminescence decay time of the CsPbCl 3 microcrystals as compared with that characteristic of a CsPbCl 3 single crystal may be caused by the quantum size effect.
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