Journal of Non-Crystalline Solids, volume 497, pages 71-81
Microporous composite SiO2 -TiO2 spheres prepared via the peroxo route: Lead(II) removal in aqueous media
Morozov Roman
1
,
Bolshakov Oleg
,
Krivtsov Igor
1, 2
,
Avdin Viacheslav
,
Amghouz Zakariae
,
Gorshkov Alexander
1
,
Pushkova Ekaterina
1
,
Bulanova Aleksandra
1
,
Ilkaeva Marina
,
Avdin Vyacheslav
1
,
Amghouz Zakariae
3
,
Bol'shakov Oleg
1
,
Ilkaeva Marina
4
2
Department of Physical and Analytical Chemistry, University of Oviedo-CINN, 33006 Oviedo, Spain
|
3
Department of Materials Science and Metallurgical Engineering, University of Oviedo, Campus Universitario, 33203 Gijón, Spain
|
4
Department of Organic and Inorganic Chemistry, University of Oviedo-CINN,33006 Oviedo,Spain
|
Publication type: Journal Article
Publication date: 2018-10-01
Journal:
Journal of Non-Crystalline Solids
Quartile SCImago
Q2
Quartile WOS
Q1
Impact factor: 3.5
ISSN: 00223093
Materials Chemistry
Ceramics and Composites
Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Abstract
Abstract Composite microporous SiO2-TiO2 spheres and micro/mesoporous TiO2 spheres were prepared via the template-free two-step synthetic route using aqueous peroxotitanate solution and tetraethyl orthosilicate (TEOS) as precursors. Both the composite SiO2-TiO2 and pure TiO2 spheres prepared by the solvent-exchange method were initially non-porous, but the applied reflux treatment in water-ethanol suspension successfully transformed them into microporous materials with high apparent surface areas approaching 500 m2·g− 1 and the micropore volume of 0.17 cm3·g− 1, while maintaining the same morphology. The prepared composites retained high values of pore volume and specific surface area up to 400 °C of thermal treatment temperature. The crystallization of TiO2 into the anatase phase in the mixed oxide occurred only at 700 °C, that process was also accompanied by the significant reduction of pore volume, as well as apparent surface area values. The prepared materials were tested as adsorbents for the lead(II) removal; they demonstrated high adsorption capacities, reaching 340 mg(Pb2 +)·g− 1. Moreover, the mixed silica-titania oxide was found to be more efficient adsorbent at low pH values.
Citations by journals
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1
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Coordination Chemistry Reviews
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Coordination Chemistry Reviews
1 publication, 20%
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Frontiers in Public Health
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1 publication, 20%
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Catalysis Communications
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Catalysis Communications
1 publication, 20%
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Journal of Separation Science
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1 publication, 20%
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Analytical Methods
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1 publication, 20%
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1
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Citations by publishers
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1
2
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Elsevier
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Elsevier
2 publications, 40%
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Frontiers Media S.A.
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Frontiers Media S.A.
1 publication, 20%
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Wiley
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Wiley
1 publication, 20%
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Royal Society of Chemistry (RSC)
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Royal Society of Chemistry (RSC)
1 publication, 20%
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1
2
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- We do not take into account publications that without a DOI.
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- Statistics recalculated weekly.
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Morozov R. et al. Microporous composite SiO2-TiO2 spheres prepared via the peroxo route: Lead(II) removal in aqueous media // Journal of Non-Crystalline Solids. 2018. Vol. 497. pp. 71-81.
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Morozov R., Krivtsov I., Avdin V., Amghouz Z., Gorshkov A., Pushkova E., Bolshakov O., Bulanova A., Ilkaeva M., Avdin V., Amghouz Z., Bol'shakov O., Ilkaeva M. Microporous composite SiO2-TiO2 spheres prepared via the peroxo route: Lead(II) removal in aqueous media // Journal of Non-Crystalline Solids. 2018. Vol. 497. pp. 71-81.
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TY - JOUR
DO - 10.1016/j.jnoncrysol.2017.11.031
UR - https://doi.org/10.1016%2Fj.jnoncrysol.2017.11.031
TI - Microporous composite SiO2-TiO2 spheres prepared via the peroxo route: Lead(II) removal in aqueous media
T2 - Journal of Non-Crystalline Solids
AU - Morozov, Roman
AU - Krivtsov, Igor
AU - Avdin, Viacheslav
AU - Amghouz, Zakariae
AU - Gorshkov, Alexander
AU - Pushkova, Ekaterina
AU - Bolshakov, Oleg
AU - Bulanova, Aleksandra
AU - Ilkaeva, Marina
AU - Avdin, Vyacheslav
AU - Amghouz, Zakariae
AU - Bol'shakov, Oleg
AU - Ilkaeva, Marina
PY - 2018
DA - 2018/10/01 00:00:00
PB - Elsevier
SP - 71-81
VL - 497
SN - 0022-3093
ER -
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@article{2018_Morozov,
author = {Roman Morozov and Igor Krivtsov and Viacheslav Avdin and Zakariae Amghouz and Alexander Gorshkov and Ekaterina Pushkova and Oleg Bolshakov and Aleksandra Bulanova and Marina Ilkaeva and Vyacheslav Avdin and Zakariae Amghouz and Oleg Bol'shakov and Marina Ilkaeva},
title = {Microporous composite SiO2-TiO2 spheres prepared via the peroxo route: Lead(II) removal in aqueous media},
journal = {Journal of Non-Crystalline Solids},
year = {2018},
volume = {497},
publisher = {Elsevier},
month = {oct},
url = {https://doi.org/10.1016%2Fj.jnoncrysol.2017.11.031},
pages = {71--81},
doi = {10.1016/j.jnoncrysol.2017.11.031}
}
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