Geodesic
Synthesis and quantum yield investigations of the Sr$_{1-x-y}$Pr$_x$Yb$_y$F$_{2+x+y}$ luminophores for photonics
Nanosistemy: fizika, himiâ, matematika, Tome 9 (2018) no. 5, pp. 663-668.

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Single-phase praseodymium- and ytterbium-doped strontium fluoride solid solutions were prepared by co-precipitation from aqueous nitrate solutions followed by annealing at 600$^\circ$C. Based on EDX analysis, the content of rare-earth elements in solid phase is slightly higher rather than in initial aqueous solution. All the characteristic praseodymium and ytterbium luminescent bands were present. The most intense luminescence in 800–1100 nm range was registered in SrF$_2$: Pr (0.1 mol.%):Yb (10.0 mol.%) solid solution. Using the integrating sphere, the values of the quantum yield were estimated. The maximum quantum yield was 1.1 % for Sr$_{0.9495}$Pr$_{0.0005}$Yb$_{0.05}$F$_{2.0505}$ solid solution.
Keywords: inorganic fluorides, down-conversion luminophores, rare earths, chemical synthesis, photonics, solar cells. 
@article{NANO_2018_9_5_a9,
     author = {S. V. Kuznetsov and V. Yu. Proydakova and O. A. Morozov and V. G. Gorieva and M. A. Marisov and V. V. Voronov and A. D. Yapryntsev and V. K. Ivanov and A. S. Nizamutdinov and V. V. Semashko and P. P. Fedorov},
     title = {Synthesis and quantum yield investigations of the {Sr}$_{1-x-y}${Pr}$_x${Yb}$_y${F}$_{2+x+y}$ luminophores for photonics},
     journal = {Nanosistemy: fizika, himi\^a, matematika},
     pages = {663--668},
     publisher = {mathdoc},
     volume = {9},
     number = {5},
     year = {2018},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/NANO_2018_9_5_a9/}
}
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AU  - V. V. Voronov
AU  - A. D. Yapryntsev
AU  - V. K. Ivanov
AU  - A. S. Nizamutdinov
AU  - V. V. Semashko
AU  - P. P. Fedorov
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%A O. A. Morozov
%A V. G. Gorieva
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%A V. V. Voronov
%A A. D. Yapryntsev
%A V. K. Ivanov
%A A. S. Nizamutdinov
%A V. V. Semashko
%A P. P. Fedorov
%T Synthesis and quantum yield investigations of the Sr$_{1-x-y}$Pr$_x$Yb$_y$F$_{2+x+y}$ luminophores for photonics
%J Nanosistemy: fizika, himiâ, matematika
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S. V. Kuznetsov; V. Yu. Proydakova; O. A. Morozov; V. G. Gorieva; M. A. Marisov; V. V. Voronov; A. D. Yapryntsev; V. K. Ivanov; A. S. Nizamutdinov; V. V. Semashko; P. P. Fedorov. Synthesis and quantum yield investigations of the Sr$_{1-x-y}$Pr$_x$Yb$_y$F$_{2+x+y}$ luminophores for photonics. Nanosistemy: fizika, himiâ, matematika, Tome 9 (2018) no. 5, pp. 663-668. http://geodesic.mathdoc.fr/item/NANO_2018_9_5_a9/