NIR-to-visible upconversion in quantum dots via a ligand induced charge transfer state
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DOI: 10.1039/c9ra01273g
Abstract: Photon upconversion is facilitated by the generation of a charge transfer transition in the interface of a coupled QD–thiol system. read more here.
Keywords: visible upconversion; upconversion; nir visible; charge transfer ... See more keywords
Observation of Visible Upconversion Luminescence of Soft Glass Multimode Fibers
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DOI: 10.3390/fib12020015
Abstract: This research investigates the visible upconversion luminescence which is induced by multiphoton absorption of soft glass fiber defects. The study of this phenomenon has thus far been restricted to standard silica fibers. We observed the… read more here.
Keywords: visible upconversion; soft glass; luminescence; fibers observation ... See more keywords
Er-Doped Nanostructured BaTiO3 for NIR to Visible Upconversion
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DOI: 10.3390/ma11101950
Abstract: Photoluminescent mechanisms in erbium-doped barium titanate nanoparticle systems were studied. Er3+ ions were introduced into the BaTiO3 lattice by the sol-gel method. The resulting Er3+ concentration was between 0% and 5%, with Ba/Ti ratios of… read more here.
Keywords: nir visible; doped nanostructured; nanostructured batio3; batio3 nir ... See more keywords