Identification of Dy^{3+}/Dy^{2+} as Electron Trap in Persistent Phosphors.
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DOI: 10.1103/physrevlett.125.033001
Abstract: Laser excitation and x-ray spectroscopy are combined to settle a long-standing question in persistent luminescence. A reversible electron transfer is demonstrated, controlled by light and showing the same kinetics as the persistent luminescence. Exposure to… read more here.
Keywords: persistent phosphors; trap persistent; electron trap; luminescence ... See more keywords