- Title
- One-step green synthesis of bimetallic Fe/Ni nanoparticles by eucalyptus leaf extract: biomolecules identification, characterization and catalytic activity
- Creator
- Weng, Xiulan; Guo, Mengyu; Luo, Fang; Chen, Zuliang
- Relation
- Chemical Engineering Journal Vol. 308, Issue January 2017, p. 904-911
- Publisher Link
- http://dx.doi.org/10.1016/j.cej.2016.09.134
- Publisher
- Elsevier
- Resource Type
- journal article
- Date
- 2017
- Description
- Both Fe nanoparticles (Fe NPs) and bimetallic Fe/Ni nanoparticles (Fe/Ni NPs) were synthesized using eucalyptus leaf extracts. More than eight major compounds in eucalyptus leaf extracts, which may serve as reducing and capping agents, were identified using Gas Chromatography-Mass Spectrometer (GC–MS). The obtained Fe NPs and Fe/Ni NPs were characterized using Fourier Translation Infrared Spectroscopy (FTIR), Thermogravimetric Analysis (TG), Scanning Electron Microscopy (SEM), Energy Dispersive X-ray Spectroscopy (EDS), X-ray Diffraction (XRD), and X-ray Photoelectron Spectroscopy (XPS). The results demonstrated that: (1) the presence of Fe in Fe NPs, and Fe and Ni in Fe/Ni NPs; (2) the coating organic compounds may be responsible for the capping and efficient stabilization of Fe and Fe/Ni NPs. Fe NPs and Fe/Ni NPs were then used to degrade methyl orange (MO) in aqueous solution. Only 29.2% of MO was removed from aqueous solution using Fe NPs, while 99.6% of MO was removed using Fe/Ni NPs. Furthermore the removal of MO using Fe NPs and Fe/Ni NPs followed pseudo-first-order kinetics.
- Subject
- Eucalyptus leaf extracts; Green synthesis; Fe/Ni NPs; methyl orange
- Identifier
- http://hdl.handle.net/1959.13/1352071
- Identifier
- uon:30818
- Identifier
- ISSN:1385-8947
- Language
- eng
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