Hydrothermal Synthesis of γ-WO3 and h-WO3 Powders in the Presence of Citric Acid and Their Photoprotective Properties
A.D. Filippova
1
,
A A Rumyantsev
1, 2
,
A E Baranchikov
1
,
I V Kolesnik
3
,
O.S. Ivanova
1
,
N. N. Efimov
1
,
A V Khoroshilov
1
,
Publication type: Journal Article
Publication date: 2022-06-01
scimago Q3
wos Q4
SJR: 0.270
CiteScore: 3.0
Impact factor: 1.5
ISSN: 00360236, 15318613
Inorganic Chemistry
Physical and Theoretical Chemistry
Materials Science (miscellaneous)
Abstract
A selective method was proposed to produce single-phase powders of tungsten(VI) oxide γ-WO3 (monoclinic system) and h-WO3 (hexagonal system) by hydrothermal treatment (180–220°C) of ammonium B-paratungstate in the presence of citric acid (in a molar ratio of tungsten to citric acid of 1 : 1 or 1 : 2.5) in the pH range 0.5–2.5. The starting value of the pH of the reaction mixtures has a key effect on the phase composition of the synthesis products: single-phase γ-WO3 powders can form at temperatures of 180–220°C at pH 0.5–1.0, and an increase in pH to 2.0–2.5 favors the formation of h-WO3. For the first time, estimation was made of the sun protection factor SPF and UV-A protection factor UVAPF of the γ-WO3 and h-WO3 powders according to a standardized measurement procedure (GOST ISO 24443-2016).
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Total citations:
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Filippova A. et al. Hydrothermal Synthesis of γ-WO3 and h-WO3 Powders in the Presence of Citric Acid and Their Photoprotective Properties // Russian Journal of Inorganic Chemistry. 2022. Vol. 67. No. 6. pp. 780-789.
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Filippova A., Rumyantsev A. A., Baranchikov A. E., Kolesnik I. V., Ivanova O., Efimov N. N., Khoroshilov A. V., Ivanov V. Hydrothermal Synthesis of γ-WO3 and h-WO3 Powders in the Presence of Citric Acid and Their Photoprotective Properties // Russian Journal of Inorganic Chemistry. 2022. Vol. 67. No. 6. pp. 780-789.
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RIS
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TY - JOUR
DO - 10.1134/S0036023622060080
UR - https://link.springer.com/10.1134/S0036023622060080
TI - Hydrothermal Synthesis of γ-WO3 and h-WO3 Powders in the Presence of Citric Acid and Their Photoprotective Properties
T2 - Russian Journal of Inorganic Chemistry
AU - Filippova, A.D.
AU - Rumyantsev, A A
AU - Baranchikov, A E
AU - Kolesnik, I V
AU - Ivanova, O.S.
AU - Efimov, N. N.
AU - Khoroshilov, A V
AU - Ivanov, V.K.
PY - 2022
DA - 2022/06/01
PB - Pleiades Publishing
SP - 780-789
IS - 6
VL - 67
SN - 0036-0236
SN - 1531-8613
ER -
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BibTex (up to 50 authors)
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@article{2022_Filippova,
author = {A.D. Filippova and A A Rumyantsev and A E Baranchikov and I V Kolesnik and O.S. Ivanova and N. N. Efimov and A V Khoroshilov and V.K. Ivanov},
title = {Hydrothermal Synthesis of γ-WO3 and h-WO3 Powders in the Presence of Citric Acid and Their Photoprotective Properties},
journal = {Russian Journal of Inorganic Chemistry},
year = {2022},
volume = {67},
publisher = {Pleiades Publishing},
month = {jun},
url = {https://link.springer.com/10.1134/S0036023622060080},
number = {6},
pages = {780--789},
doi = {10.1134/S0036023622060080}
}
Cite this
MLA
Copy
Filippova, A.D., et al. “Hydrothermal Synthesis of γ-WO3 and h-WO3 Powders in the Presence of Citric Acid and Their Photoprotective Properties.” Russian Journal of Inorganic Chemistry, vol. 67, no. 6, Jun. 2022, pp. 780-789. https://link.springer.com/10.1134/S0036023622060080.