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An efficient near infrared (NIR) quantum cutting in CaSc2O4: Tm3+/Yb3+ phosphor has been demonstrated by the visible and NIR spectra properties as well as the decay curves of Tm3+:1G4 level. Upon excitation of Tm3+:1G4 level with a blue photon at 466nm, Yb3+:2F5/2 level can emit two NIR photons around 1000nm through cooperative energy transfer (ET) from Tm3+ to Yb3+ with the maximum energy transfer...
Near-infrared (NIR) luminescent ternary and hydrated binary neodymium β-diketonates emitting at ca. 1330 nm are presented. The effects of ligand moieties on the photoluminescence properties of Nd 3+ ions are discussed. Moreover, the neodymium organic complex neodymium tris(2-theonyltrifluoroacetonate)bis(triphenylphosphine oxide), Nd(TTA) 3 (TPPO) 2 , which has the best photoluminescence...
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