The influence of silver ion exchange on the luminescence properties of Er-Yb silicate glasses
Autor: | Jarmila Spirkova, B. Svecova, S. Stanek, Jiří Oswald, S. Vytykacova, O. Barkman, Pavla Nekvindova, Martin Mika |
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Rok vydání: | 2017 |
Předmět: |
010302 applied physics
Materials science Ion exchange Absorption spectroscopy Annealing (metallurgy) Organic Chemistry Doping Inorganic chemistry chemistry.chemical_element 02 engineering and technology 021001 nanoscience & nanotechnology 01 natural sciences Atomic and Molecular Physics and Optics Silver nanoparticle Electronic Optical and Magnetic Materials Ion Inorganic Chemistry Erbium chemistry 0103 physical sciences Electrical and Electronic Engineering Physical and Theoretical Chemistry 0210 nano-technology Luminescence Spectroscopy |
Zdroj: | Optical Materials. 72:183-189 |
ISSN: | 0925-3467 |
DOI: | 10.1016/j.optmat.2017.05.053 |
Popis: | A set of zinc-silicate glasses with different ratios of Er-Yb as well amount of Zn was fabricated. The preparation of silver doped glasses was carried out using the Ag-Na ion-exchange method to enhance Er-Yb luminescence properties of the material. The samples were also annealed for 1–5 h to further support the creation of silver nanoparticles. Intensive absorption at 980 nm was observed in absorption spectra after ion exchange and annealing as well. Also luminescence spectra in the near-infrared range were measured and results showed positive effect of ion exchange process on luminescence properties. Luminescence intensity at 1530 nm was increased almost three times. Possible mechanisms responsible for the increase of the luminescence intensity are also discussed in this paper. We suggest that the enhancement of erbium luminescence intensity is caused by the energy transfer from isolated Ag + ions to Er. |
Databáze: | OpenAIRE |
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