Luminescence of Pr3+ in La2CaB10O19: Simultaneous observation PCE and f–d emission in a single host
Source abstract
Abstract
Abstract A series of samples La 2− x Pr x CaB 10 O 19 were prepared by a solid-state reaction technique. The spectroscopic characteristics, including the steady-state excitation and emission spectra in the VUV–vis range, the luminescence decays and the concentration quenching are investigated. Two types of emission, photon cascade emission (PCE) and f–d emission were observed in the samples. The phenomena are interpreted in terms of different occupancies for Pr 3+ in La 3+ and Ca 2+ sites.
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Research context
OpenAlex topics: Luminescence Properties of Advanced Materials · Advanced Condensed Matter Physics · Perovskite Materials and Applications
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References (29)
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