期刊
MATERIALS
卷 8, 期 7, 页码 4593-4607出版社
MDPI
DOI: 10.3390/ma8074593
关键词
thermal decomposition; iron nanoparticles; iron oxide nanoparticles; magnetic nanomaterials; carbon fabrics; environmental remediation
类别
资金
- BSF
Magnetic Fe3O4, Fe and Fe/Pd nanoparticles embedded within the pores of activated carbon fabrics (ACF) were prepared by impregnation of the ACF in iron acetylacetanoate (Fe(acac)(3)) ethanol solution, followed by thermal decomposition of the embedded iron precursor at 200, 400 and 600 degrees C in an inert atmosphere. The effect of the annealing temperature on the chemical composition, shape, crystallinity, surface area, pore volume, and magnetic properties of the various functionalized ACF was elucidated. The Fe nanoparticles within the ACF were also doped with tinier Pd nanoparticles, by impregnation of the Fe/ACF in palladium acetate ethanol solution. The potential use of the functionalized ACF for removal of a model azo-dye, orange II, was demonstrated. This study illustrated the enhanced removal of the dye from an aqueous solution according to the following order: Fe/Pd/ACF > Fe/ACF > ACF. In addition, the enhanced activity of Fe3O4/ACF in the presence of increasing concentrations of H2O2 (Fenton catalysts) was also illustrated.
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