AI Article Synopsis
- Transition metal nanoparticles (NPs) have great potential as catalysts but are prone to oxidation in air.
- A new method for creating zero-valent iron (Fe) NPs through laser ablation in a formate-based ionic liquid solvent is introduced, and the valence state of Fe is verified using XANES spectroscopy.
- The synthesized Fe NPs initially show a face centered cubic structure, which transitions to a body centered cubic structure after one month, and this method can be adapted for other easily oxidized transition metal NPs.
Article Abstract
Transition metal nanoparticles (NPs) are promising materials for use as catalysts in many processes, although they are easily oxidized under ambient conditions. In this communication, a novel synthetic method is proposed for producing zero-valent iron (Fe) NPs by laser ablation under atmospheric conditions using the reducing properties of a formate-based ionic liquid solvent. The valence state of Fe was confirmed using X-ray absorption near edge structure (XANES) spectroscopy. The Fe NPs adopt a face centered cubic structure after synthesis, which gradually transforms to a body centered cubic structure after one month. The method can be extended to the synthesis of other transition metal NPs that are easily oxidized.
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| http://dx.doi.org/10.1039/c8cc03350a | DOI Listing |
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