synthesis of naluf4:er3+, yb3+, ce3+ nanoparticles and study of photoluminescent properties in c - band
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ID: 244949
2017
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Abstract
The novel core@shell nanocrystals β-NaLuF4@NaLuF4 co-doped with rare-earth ions Er3+, Yb3+, Ce3+ have been synthesized. The nano-particles indicate the intensive lines of anti-Stokes luminescence in the telecommunication С - band of spectrum when pumped at 970-980 nm. The nanoparticles have been characterized by transmission electron microscopy and spectrofluorimetry. The nanoparticles have a size 40-80 nm and possess the intensive photo-luminescence 73 nm bandwidth centered around 1530 nm. The photo-luminescence kinetics of β-NaLuF4: Er3+/ Yb3+/ Ce3+ has been studied in IR range of spectrum. We have demonstrated that doping with cerium ions prevents serial stepwise excitation of erbium ions. Consequently, the lifetime of transition in erbium 4I13/2→4I15/2 has risen up to 6.9 ms. Intensity of 1530 nm line in Er3+ ions excited at 980 nm has been increased up to 6 times. Therefore, the nanoparticles are applicable to fabrication of compact waveguide amplifiers for C - band.
| Reference Key |
k.v.2017epjsynthesis
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|---|---|
| Authors | ;Khaydukov K.V.;Rocheva V.V.;Savelyev A.G.;Sarycheva M.E.;Asharchuk I.M. |
| Journal | utilitas mathematica |
| Year | 2017 |
| DOI |
10.1051/epjconf/201713203049
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