Geodesic
Fluorination of Eu-doped layered yttrium hydroxides: the role of anionic composition
Nanosistemy: fizika, himiâ, matematika, Tome 15 (2024) no. 1, pp. 104-114 Cet article a éte moissonné depuis la source Math-Net.Ru

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The fluorination processes of layered rare-earth hydroxides (LRHs) intercalated with various anions, including organic ones, have been compared for the first time. The fluorination process was investigated for chloride-, nitrate- and 4-sulfobenzoate-intercalated Eu-doped layered yttrium hydroxides by interaction with aqueous solutions of sodium fluoride at 100–150$^\circ$C for 2–48 hours. The final product of fluorination in all cases is the hexagonal yttrium hydroxide fluoride (YHF) phase of Na$_y$Y$_{0.95}$Eu$_{0.05}$(OH)$_{3+y-x}$F$_x$ $\cdot$ $m$H$_2$O ($x\sim$ 3, $y\sim$ 0.2) composition. The formation rate of the YHF increases with the interlayer spacing of the Eu-doped layered yttrium hydroxide.
Keywords: layered rare-earth hydroxides (LRHs), fluorination, ion exchange, topotactic reactions, metal hydroxyfluorides.
Mots-clés : luminescence 
@article{NANO_2024_15_1_a11,
     author = {Zhanbo Liu and Svetlana V. Golodukhina and Svetlana V. Kameneva and Alexey D. Yapryntsev},
     title = {Fluorination of {Eu-doped} layered yttrium hydroxides: the role of anionic composition},
     journal = {Nanosistemy: fizika, himi\^a, matematika},
     pages = {104--114},
     year = {2024},
     volume = {15},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/NANO_2024_15_1_a11/}
}
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Zhanbo Liu; Svetlana V. Golodukhina; Svetlana V. Kameneva; Alexey D. Yapryntsev. Fluorination of Eu-doped layered yttrium hydroxides: the role of anionic composition. Nanosistemy: fizika, himiâ, matematika, Tome 15 (2024) no. 1, pp. 104-114. http://geodesic.mathdoc.fr/item/NANO_2024_15_1_a11/