Geodesic
Synthesis and down-conversion luminescence of Ba$_4$Y$_3$F$_{17}$:Yb:Pr solid solutions for photonics
Nanosistemy: fizika, himiâ, matematika, Tome 10 (2019) no. 2, pp. 190-198.

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Singlephase powders of Ba$_4$Y$_3$F$_{17}$:Yb:Pr solid solutions with an average agglomerate size of 400 nm were synthesized by coprecipitation from aqueous solutions. It was shown that the down-conversion mechanism in the investigated samples was quantum cutting, with one photon absorbed by Pr$^{3+}$ ions resulting in two photons emitted by Yb$^{3+}$ ions. At first, overall the external quantum yield of down-conversion luminescence measured appeared to be relatively high, with a maximum value of 2.9 % for the Ba$_{4}$Y$_{3}$F$_{17}$: Pr(0.1 %):Yb(10 %) sample. It makes this compound promising for Si-based solar cells efficiency enhancement.
Keywords: synthesis, down-conversion, photonics, fluorides.
Mots-clés : luminescence, solid solutions 
@article{NANO_2019_10_2_a10,
     author = {S. V. Kuznetsov and A. S. Nizamutdinov and M. N. Mayakova and V. V. Voronov and E. I. Madirov and A. R. Khadiev and D. A. Spassky and I. A. Kamenskikh and A. D. Yapryntsev and V. K. Ivanov and M. A. Marisov and V. V. Semashko and P. P. Fedorov},
     title = {Synthesis and down-conversion luminescence of {Ba}$_4${Y}$_3${F}$_{17}${:Yb:Pr} solid solutions for photonics},
     journal = {Nanosistemy: fizika, himi\^a, matematika},
     pages = {190--198},
     publisher = {mathdoc},
     volume = {10},
     number = {2},
     year = {2019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/NANO_2019_10_2_a10/}
}
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AU  - A. R. Khadiev
AU  - D. A. Spassky
AU  - I. A. Kamenskikh
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AU  - V. K. Ivanov
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AU  - V. V. Semashko
AU  - P. P. Fedorov
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%A A. D. Yapryntsev
%A V. K. Ivanov
%A M. A. Marisov
%A V. V. Semashko
%A P. P. Fedorov
%T Synthesis and down-conversion luminescence of Ba$_4$Y$_3$F$_{17}$:Yb:Pr solid solutions for photonics
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S. V. Kuznetsov; A. S. Nizamutdinov; M. N. Mayakova; V. V. Voronov; E. I. Madirov; A. R. Khadiev; D. A. Spassky; I. A. Kamenskikh; A. D. Yapryntsev; V. K. Ivanov; M. A. Marisov; V. V. Semashko; P. P. Fedorov. Synthesis and down-conversion luminescence of Ba$_4$Y$_3$F$_{17}$:Yb:Pr solid solutions for photonics. Nanosistemy: fizika, himiâ, matematika, Tome 10 (2019) no. 2, pp. 190-198. http://geodesic.mathdoc.fr/item/NANO_2019_10_2_a10/