Abstract
Abstract The present manuscript presents a convenient method for the synthesis of iron/carbon (Fe/C) nanoparticles (NPs) coated with much smaller Pd NPs for the removal of halogenated organic pollutants. For this purpose, iron oxide/polyvinylpyrrolidone (IO/PVP) NPs were first prepared by the thermal decomposition of ferrocene mixed with PVP at 350 °C under an inert atmosphere. IO,Fe/C and Fe/C NPs coated with graphitic and amorphous carbon layers were then produced by annealing the IO/PVP NPs at 500 and 600 °C, respectively, under an inert atmosphere. The effect of the annealing temperature on the chemical composition, shape, crystallinity, surface area and magnetic properties of the IO/PVP, IO,Fe/C and Fe/C NPs has been elucidated. Air-stable Fe/C/Pd NPs were produced by mixing the precursor palladium acetate with the air-stable Fe/C NPs in ethanol. The obtained Fe/C/Pd NPs demonstrated significantly higher environmental activity than the Fe/C NPs on eosin Y, a model halogenated organic pollutant. The environmental activity of the Fe/C/Pd NPs also increased with their increasing Pd content.
| Original language | English |
|---|---|
| Article number | 60098 |
| Pages (from-to) | 82-89 |
| Number of pages | 8 |
| Journal | Journal of Magnetism and Magnetic Materials |
| Volume | 389 |
| DOIs | |
| State | Published - 1 Sep 2015 |
Bibliographical note
Publisher Copyright:© 2015 Elsevier B.V. All rights reserved.
Keywords
- Composite nanoparticles
- Environmental remediation
- Fe/C nanoparticles
- Fe/C/Pd nanoparticles
- Magnetic nanomaterials
- Thermal decomposition
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