Inorganic Chemistry, volume 59, issue 24, pages 18358-18365

Identification of Barium Hydroxo-Hydroperoxostannate Precursor for Low-Temperature Formation of Perovskite Barium Stannate

Publication typeJournal Article
Publication date2020-12-07
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor4.6
ISSN00201669, 1520510X
Inorganic Chemistry
Physical and Theoretical Chemistry
Abstract
A breakthrough "superoxide colloidal solution route" for low-temperature synthesis of barium and strontium stannate perovskites and their doped analogues was recently introduced. The synthesis starts from hydrogen peroxide-rich stannate solutions and yields a so-called "crystalline superoxide molecular cluster" that is converted by low temperature (<300 °C) to the respective perovskites. In this paper, the so-called "crystalline superoxide molecular cluster" is identified as a superoxide-free, barium trihydroxo(hydroperoxo)peroxostannate, BaSn(OH)3(OOH)(OO) phase (BHHPS). EPR and Raman spectroscopy studies reveal the absence of superoxide in this crystalline phase. FTIR of the deuterated sample, 119Sn NMR, and elemental analysis uncovered the empirical formula, H4O7SnBa with two peroxides per each tin element. Rietveld refinement of the XRD confirms the BHHPS cubic phase with replacement of the perovskite oxygen atoms by the OH- and OOH-ligands and peroxobridging groups.

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Medvedev A. G. et al. Identification of Barium Hydroxo-Hydroperoxostannate Precursor for Low-Temperature Formation of Perovskite Barium Stannate // Inorganic Chemistry. 2020. Vol. 59. No. 24. pp. 18358-18365.
GOST all authors (up to 50) Copy
Medvedev A. G., Mikhaylov A., Shames A. I., Ilyukhin A. B., Churakov A. V., Grishanov D. A., Melnik E. A., Tripolskaya T. A., Lev O., Prikhodchenko P. V. Identification of Barium Hydroxo-Hydroperoxostannate Precursor for Low-Temperature Formation of Perovskite Barium Stannate // Inorganic Chemistry. 2020. Vol. 59. No. 24. pp. 18358-18365.
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RIS Copy
TY - JOUR
DO - 10.1021/acs.inorgchem.0c02993
UR - https://doi.org/10.1021%2Facs.inorgchem.0c02993
TI - Identification of Barium Hydroxo-Hydroperoxostannate Precursor for Low-Temperature Formation of Perovskite Barium Stannate
T2 - Inorganic Chemistry
AU - Medvedev, Alexander G.
AU - Mikhaylov, Alexey
AU - Shames, Alexander I.
AU - Ilyukhin, Andrey B.
AU - Churakov, Andrei V.
AU - Grishanov, Dmitry A
AU - Melnik, E A
AU - Lev, Ovadia
AU - Prikhodchenko, Petr V.
AU - Tripolskaya, Tatiana A
PY - 2020
DA - 2020/12/07 00:00:00
PB - American Chemical Society (ACS)
SP - 18358-18365
IS - 24
VL - 59
SN - 0020-1669
SN - 1520-510X
ER -
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@article{2020_Medvedev
author = {Alexander G. Medvedev and Alexey Mikhaylov and Alexander I. Shames and Andrey B. Ilyukhin and Andrei V. Churakov and Dmitry A Grishanov and E A Melnik and Ovadia Lev and Petr V. Prikhodchenko and Tatiana A Tripolskaya},
title = {Identification of Barium Hydroxo-Hydroperoxostannate Precursor for Low-Temperature Formation of Perovskite Barium Stannate},
journal = {Inorganic Chemistry},
year = {2020},
volume = {59},
publisher = {American Chemical Society (ACS)},
month = {dec},
url = {https://doi.org/10.1021%2Facs.inorgchem.0c02993},
number = {24},
pages = {18358--18365},
doi = {10.1021/acs.inorgchem.0c02993}
}
MLA
Cite this
MLA Copy
Medvedev, Alexander G., et al. “Identification of Barium Hydroxo-Hydroperoxostannate Precursor for Low-Temperature Formation of Perovskite Barium Stannate.” Inorganic Chemistry, vol. 59, no. 24, Dec. 2020, pp. 18358-18365. https://doi.org/10.1021%2Facs.inorgchem.0c02993.
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