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Infrared-to-visible conversion luminescence of Er ions in lead borate transparent glass-ceramics |
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| Authors: | Wojciech A Pisarski Joanna Pisarska Rados&#x;aw Lisiecki &#x;ukasz Grobelny Grayna Dominiak-Dzik Witold Ryba-Romanowski |
| Affiliation: | aInstitute of Chemistry, University of Silesia, Szkolna 9, 40-007 Katowice, Poland;bDepartment of Materials Science, Silesian University of Technology, Krasińskiego 8, 40-019 Katowice, Poland;cInstitute of Low Temperature and Structure Research, Polish Academy of Sciences, Okólna 2, 50-422 Wrocław, Poland;dInstitute of Polymeric Materials and Pigments, Chorzowska 50A, 44-100 Gliwice, Poland |
| Abstract: | Transparent glass-ceramics were successfully prepared during controlled heat treatment of lead borate glasses. The PbF2 particles were dispersed into a borate glass matrix which was evidenced by X-ray diffraction analysis. The phase identification revealed that crystalline peaks can be related to the orthorhombic PbF2 phase. Green up-conversion luminescence due to the 4S3/2–4I15/2 transition of Er3+ ions was registered. In comparison to the precursor glass the luminescence intensity was considerably higher, whereas the luminescence linewidth slightly decreased in the studied oxyfluoride transparent glass-ceramics. It indicated that a part of the trivalent erbium was incorporated into the PbF2 crystalline phase. |
| Keywords: | Glass-ceramics Er3+ ions Up-conversion luminescence |
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