Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200024 (University of Belgrade, Institute of Physics, Belgrade-Zemun)

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Ministry of Education, Science and Technological Development, Republic of Serbia, Grant no. 200024 (University of Belgrade, Institute of Physics, Belgrade-Zemun) (en)
Ministarstvo prosvete, nauke i tehnološkog razvoja Republike Srbije, Ugovor br. 200024 (Univerzitet u Beogradu, Institut za fiziku, Beograd-Zemun) (sr_RS)
Министарство просвете, науке и технолошког развоја Републике Србије, Уговор бр. 200024 (Универзитет у Београду, Институт за физику, Београд-Земун) (sr)
Authors

Publications

Composite nanofibers electrospun from cerium, titanium, and zinc precursors

Padilla, Luis; Stojilovic, Nenad; Grujić-Brojčin, Mirjana; Šćepanović, Maja; Tomic, Natasa; Simović, Bojana; Potratz, Gregory; Gopalakrishnan, Gokul

(Elsevier Ltd, 2023) 

TY  - JOUR
AU  - Padilla, Luis
AU  - Stojilovic, Nenad
AU  - Grujić-Brojčin, Mirjana
AU  - Šćepanović, Maja
AU  - Tomic, Natasa
AU  - Simović, Bojana
AU  - Potratz, Gregory
AU  - Gopalakrishnan, Gokul
PY  - 2023
UR  - http://rimsi.imsi.bg.ac.rs/handle/123456789/1982
AB  - Non-woven fibers were produced by sol-gel and electrospinning methods, from a solution containing cerium nitrate, zinc acetate, titanium isopropoxide, polyvinylpyrrolidone, acetic acid, ethanol, and water. The fibers were calcined at various temperatures ranging from 300 to 900 °C and were characterized using Scanning Electron Microscopy (SEM), X-Ray diffraction (XRD), Brunauer-Emmett-Teller (BET) surface area analysis, Energy Dispersive X-ray (EDX), Raman spectroscopy, Thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC). Structural characterization revealed the fluorite nanocrystalline phase of ceria (CeO2) at all temperatures, the wurtzite zinc oxide (ZnO) phase in the 300–500 °C range, and a variety of zinc titanate phases (such as ZnTiO3, Zn2Ti3O8 and Zn2TiO4) at higher temperatures. Titania (TiO2) phases were not observed following calcination up to 900 °C. The average ceria nanocrystallite size increases with calcination temperature, as revealed by XRD and confirmed by the Phonon Confinement Model (PCM) of Raman spectra. The opposite trend is observed for the BET specific surface area of the nanofibers, where this value decreases with calcination temperatures above 400 °C. These nanofibers containing ceria and zinc titanates are potential candidates for photocatalytic applications.
PB  - Elsevier Ltd
T2  - Journal of Physics and Chemistry of Solids
T1  - Composite nanofibers electrospun from cerium, titanium, and zinc precursors
SP  - 111410
VL  - 179
DO  - 10.1016/j.jpcs.2023.111410
ER  - 
@article{
author = "Padilla, Luis and Stojilovic, Nenad and Grujić-Brojčin, Mirjana and Šćepanović, Maja and Tomic, Natasa and Simović, Bojana and Potratz, Gregory and Gopalakrishnan, Gokul",
year = "2023",
abstract = "Non-woven fibers were produced by sol-gel and electrospinning methods, from a solution containing cerium nitrate, zinc acetate, titanium isopropoxide, polyvinylpyrrolidone, acetic acid, ethanol, and water. The fibers were calcined at various temperatures ranging from 300 to 900 °C and were characterized using Scanning Electron Microscopy (SEM), X-Ray diffraction (XRD), Brunauer-Emmett-Teller (BET) surface area analysis, Energy Dispersive X-ray (EDX), Raman spectroscopy, Thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC). Structural characterization revealed the fluorite nanocrystalline phase of ceria (CeO2) at all temperatures, the wurtzite zinc oxide (ZnO) phase in the 300–500 °C range, and a variety of zinc titanate phases (such as ZnTiO3, Zn2Ti3O8 and Zn2TiO4) at higher temperatures. Titania (TiO2) phases were not observed following calcination up to 900 °C. The average ceria nanocrystallite size increases with calcination temperature, as revealed by XRD and confirmed by the Phonon Confinement Model (PCM) of Raman spectra. The opposite trend is observed for the BET specific surface area of the nanofibers, where this value decreases with calcination temperatures above 400 °C. These nanofibers containing ceria and zinc titanates are potential candidates for photocatalytic applications.",
publisher = "Elsevier Ltd",
journal = "Journal of Physics and Chemistry of Solids",
title = "Composite nanofibers electrospun from cerium, titanium, and zinc precursors",
pages = "111410",
volume = "179",
doi = "10.1016/j.jpcs.2023.111410"
}
Padilla, L., Stojilovic, N., Grujić-Brojčin, M., Šćepanović, M., Tomic, N., Simović, B., Potratz, G.,& Gopalakrishnan, G.. (2023). Composite nanofibers electrospun from cerium, titanium, and zinc precursors. in Journal of Physics and Chemistry of Solids
Elsevier Ltd., 179, 111410.
https://doi.org/10.1016/j.jpcs.2023.111410
Padilla L, Stojilovic N, Grujić-Brojčin M, Šćepanović M, Tomic N, Simović B, Potratz G, Gopalakrishnan G. Composite nanofibers electrospun from cerium, titanium, and zinc precursors. in Journal of Physics and Chemistry of Solids. 2023;179:111410.
doi:10.1016/j.jpcs.2023.111410 .
Padilla, Luis, Stojilovic, Nenad, Grujić-Brojčin, Mirjana, Šćepanović, Maja, Tomic, Natasa, Simović, Bojana, Potratz, Gregory, Gopalakrishnan, Gokul, "Composite nanofibers electrospun from cerium, titanium, and zinc precursors" in Journal of Physics and Chemistry of Solids, 179 (2023):111410,
https://doi.org/10.1016/j.jpcs.2023.111410 . .
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