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Title: Fluoroindate glasses co-doped with Pr3+/Er3+ for near-infrared luminescence applications
Authors: Pisarski, Wojciech A.
Pisarska, Joanna
Kuwik, Marta
Kochanowicz, Marcin
Żmojda, Jacek
Miluski, Piotr
Baranowska, Agata
Dorosz, Jan
Leśniak, Magdalena
Dorosz, Dominik
Keywords: Fluoroindate glasses; ions
Issue Date: 2020
Citation: "Scientific Reports" Vol. 10 (2020), art. no. 21105
Abstract: Fluoroindate glasses co-doped with Pr3+/Er3+ ions were synthesized and their near-infrared luminescence properties have been examined under selective excitation wavelengths. For the Pr3+/Er3+ co-doped glass samples several radiative and nonradiative relaxation channels and their mechanisms are proposed under direct excitation of Pr3+and/or Er3+. The energy transfer processes between Pr3+ and Er3+ ions in fluoroindate glasses were identified. In particular, broadband nearinfrared luminescence (FWHM = 278 nm) associated to the 1G4 → 3H5 (Pr3+), 1D2 → 1G4 (Pr3+) and 4I13/2 → 4I15/2 (Er3+) transitions of rare earth ions in fluoroindate glass is successfully observed under direct excitation at 483 nm. Near-infrared luminescence spectra and their decays for glass samples co-doped with Pr3+/ Er3+ are compared to the experimental results obtained for fluoroindate glasses singly doped with rare earth ions.
DOI: 10.1038/s41598-020-77943-w
ISSN: 2045-2322
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