Applied Surface Science, volume 390, pages 248-259

Magnetic recoverable Fe3O4-TiO2:Eu composite nanoparticles with enhanced photocatalytic activity

Maria Stefan 1
Cristian Leostean 1
O. Pană 1
Dana Toloman 1
A. Popa 1
Ioana Perhaita 2
Marin Senila 3
Olivian Marincas 1
1
 
National Institute for R &D of Isotopic and Molecular Technologies, 67-103 Donat St., 400293 Cluj-Napoca, Romania
2
 
“Raluca Ripan” Institute for Research in Chemistry, “Babes-Bolyai” University, 30 Fantanele St, 400294 Cluj-Napoca, Romania
3
 
INCDO-INOE 2000, Research Institute for Analytical Instrumentation, 65 Donat St., 400293 Cluj-Napoca, Romania
Publication typeJournal Article
Publication date2016-12-01
Quartile SCImago
Q1
Quartile WOS
Q1
Impact factor6.7
ISSN01694332
Surfaces, Coatings and Films
General Chemistry
General Physics and Astronomy
Condensed Matter Physics
Surfaces and Interfaces
Abstract
This work refers to the influence of Eu doping on the morphologic, structural and compositional properties of magnetic separable Fe 3 O 4 -TiO 2 composite nanoparticles with photocatalytic activity. In this respect, Fe 3 O 4 -TiO 2 :Eu nanocomposites were prepared by seed mediated growth of TiO 2 :Eu through a sol-gel method onto preformed magnetite resulted from co-precipitation method. Different Eu concentration precursors were used for doping. The thermal behavior and the conversion of precursors into corresponding Fe 3 O 4 -TiO 2 :Eu composite nanoparticles were evidenced by FT-IR spectra and thermal analysis. The XRD, XPS and HRTEM investigations results indicate that nanocomposites contain besides Fe3O4-TiO 2 :Eu some amounts of iron titanate. Formation of FeTiO 3 is suppressed by the increase of Eu doping level. Magnetic studies also indicated that nanocomposite exhibit superparamagnetic behavior at room temperature. The large surface area and mesoporous structure of magnetic nanocomposite were confirmed by the surface area (BET) and porosity measurements. It was demonstrated that the composite nanoparticles exhibit good photocatalytic activity toward the degradation of RhB solution and they can be used as efficient and conveniently recoverable photocatalyst.

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GOST Copy
Stefan M. et al. Magnetic recoverable Fe3O4-TiO2:Eu composite nanoparticles with enhanced photocatalytic activity // Applied Surface Science. 2016. Vol. 390. pp. 248-259.
GOST all authors (up to 50) Copy
Stefan M., Leostean C., Pană O., Toloman D., Popa A., Perhaita I., Senila M., Marincas O., Barbu-Tudoran L. Magnetic recoverable Fe3O4-TiO2:Eu composite nanoparticles with enhanced photocatalytic activity // Applied Surface Science. 2016. Vol. 390. pp. 248-259.
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RIS Copy
TY - JOUR
DO - 10.1016/j.apsusc.2016.08.084
UR - https://doi.org/10.1016/j.apsusc.2016.08.084
TI - Magnetic recoverable Fe3O4-TiO2:Eu composite nanoparticles with enhanced photocatalytic activity
T2 - Applied Surface Science
AU - Stefan, Maria
AU - Leostean, Cristian
AU - Pană, O.
AU - Toloman, Dana
AU - Popa, A.
AU - Perhaita, Ioana
AU - Senila, Marin
AU - Marincas, Olivian
AU - Barbu-Tudoran, Lucian
PY - 2016
DA - 2016/12/01 00:00:00
PB - Elsevier
SP - 248-259
VL - 390
SN - 0169-4332
ER -
BibTex
Cite this
BibTex Copy
@article{2016_Stefan,
author = {Maria Stefan and Cristian Leostean and O. Pană and Dana Toloman and A. Popa and Ioana Perhaita and Marin Senila and Olivian Marincas and Lucian Barbu-Tudoran},
title = {Magnetic recoverable Fe3O4-TiO2:Eu composite nanoparticles with enhanced photocatalytic activity},
journal = {Applied Surface Science},
year = {2016},
volume = {390},
publisher = {Elsevier},
month = {dec},
url = {https://doi.org/10.1016/j.apsusc.2016.08.084},
pages = {248--259},
doi = {10.1016/j.apsusc.2016.08.084}
}
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