Geodesic
Photocatalytic properties of composites based on Y$_{1-x}$Bi$_x$FeO$_3$ (0$\le x\le$ 0.15) nanocrystalline solid solutions with a hexagonal structure
Nanosistemy: fizika, himiâ, matematika, Tome 13 (2022) no. 1, pp. 87-95 Cet article a éte moissonné depuis la source Math-Net.Ru

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Nanopowders of Y$_{1-x}$Bi$_x$FeO$_3$ ($x$ = 0, 0.05, 0.10, 0.15) solid solutions were obtained by coprecipitation of hydroxides with simultaneous sonication and subsequent thermal treatment of the precipitate in air at 800$^\circ$C for 1 min. in the annealing-quenching mode. The results of X-ray phase analysis showed the formation of nanocrystalline solid solutions with a structure of hexagonal yttrium orthoferrite. The average crystallite size increases from 4 to 10 nm with the increasing bismuth content in the solid solution. The influence of Y$^{3+}$ substitution for Bi$^{3+}$ in yttrium orthoferrite on the photocatalytic activity of Y$_{1-x}$Bi$_x$FeO$_3$ nanopowders during the Fenton-like degradation of methyl violet under the visible light irradiation has been studied. The maximum reaction rate constant of 0.0197 min $^{-1}$ was shown by the YFeO$_3$ nanopowder, which has the smallest crystallite size of $\sim$4 nm.
Keywords: yttrium orthoferrite, heat treatment, Fenton-like reactions.
Mots-clés : coprecipitation, nanoparticles, photocatalyst 
@article{NANO_2022_13_1_a12,
     author = {Anastasiya N. Sokolova and Olga V. Proskurina and Dmitry P. Danilovich and Victor V. Gusarov},
     title = {Photocatalytic properties of composites based on {Y}$_{1-x}${Bi}$_x${FeO}$_3$ (0$\le x\le$ 0.15) nanocrystalline solid solutions with a hexagonal structure},
     journal = {Nanosistemy: fizika, himi\^a, matematika},
     pages = {87--95},
     year = {2022},
     volume = {13},
     number = {1},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/NANO_2022_13_1_a12/}
}
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Anastasiya N. Sokolova; Olga V. Proskurina; Dmitry P. Danilovich; Victor V. Gusarov. Photocatalytic properties of composites based on Y$_{1-x}$Bi$_x$FeO$_3$ (0$\le x\le$ 0.15) nanocrystalline solid solutions with a hexagonal structure. Nanosistemy: fizika, himiâ, matematika, Tome 13 (2022) no. 1, pp. 87-95. http://geodesic.mathdoc.fr/item/NANO_2022_13_1_a12/