Photoluminescence properties of rare earths (Eu3+, Tb3+, Dy3+ and Tm3+) activated NaInW2O8 wolframite host lattice
作者： S. Asiri Naidu , S. Boudin , U.V. Varadaraju , B. Raveau
DOI: 10.1016/J.JSSC.2011.10.035
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摘要: Abstract The photoluminescence (PL) studies on NaIn1−xRExW2O8, with RE=Eu3+, Tb3+, Dy3+ and Tm3+ phases have shown that the relative contribution of host lattice intra-f–f emission activators to PL varies nature rare earth cation. In case activators, yellow blue emission, respectively, energy transfer from activator plays a major role. contrast for Eu3+, intense red absorption is less pronounced transitions Eu3+ ions play role, whereas Tb3+ are only observed, giving rise green emission.
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