Persistent Luminescence in Non-Eu2+-Doped Compounds: A Review
AbstractDuring the past few decades, the research on persistent luminescent materials has focused mainly on Eu2+-doped compounds. However, the yearly number of publications on non-Eu2+-based materials has also increased steadily. By now, the number of known persistent phosphors has increased to over 200, of which over 80% are not based on Eu2+, but rather, on intrinsic host defects, transition metals (manganese, chromium, copper, etc.) or trivalent rare earths (cerium, terbium, dysprosium, etc.). In this review, we present an overview of these non-Eu2+-based persistent luminescent materials and their afterglow properties. We also take a closer look at some remaining challenges, such as the excitability with visible light and the possibility of energy transfer between multiple luminescent centers. Finally, we summarize the necessary elements for a complete description of a persistent luminescent material, in order to allow a more objective comparison of these phosphors.
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Van den Eeckhout, K.; Poelman, D.; Smet, P.F. Persistent Luminescence in Non-Eu2+-Doped Compounds: A Review. Materials 2013, 6, 2789-2818.
Van den Eeckhout K, Poelman D, Smet PF. Persistent Luminescence in Non-Eu2+-Doped Compounds: A Review. Materials. 2013; 6(7):2789-2818.Chicago/Turabian Style
Van den Eeckhout, Koen; Poelman, Dirk; Smet, Philippe F. 2013. "Persistent Luminescence in Non-Eu2+-Doped Compounds: A Review." Materials 6, no. 7: 2789-2818.