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Solution-phase decomposition of ferrocene into wüstite-iron oxide coreshell nanoparticles

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Abstract
We report an improved method for the controlled solvent-phase decomposition of ferrocene into highly crystalline monodisperse iron oxide nanoparticles at relatively low temperatures. Solution-phase decomposition of ferrocene into nanoparticles has received little attention in the literature, due to the percieved stability of ferrocene. However, we synthesised wüstite FeO-iron oxide coreshell nanoparticles by thermally decomposing ferrocene in 1-octadecene solvent and in the presence of oleic acid and oleylamine, as surfactants. We report procedures that provide cubic and spherical coreshell iron oxide nanoparticles whose size (29.3 ± 2.3 nm for spheres, 38.6 ± 6.9 nm for distorted cubes and 23.5 ± 2.4 nm for distorted cubes with concave faces) and shape can be controlled through simple adjustments to reaction parameters. Transmission electron microscopy, scanning transmission electron microscopy, energy dispersive X-ray spectroscopy, electron energy-loss spectroscopy and powder X-ray diffraction analysis methods were used to characterise the nanoparticles.
Item Type: | Article |
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Authors/Creators: | Loedolff, MJ and Fuller, RO and Nealon, GL and Saunders, M and Spackman, MA and Koutsantonis, GA |
Keywords: | nanoparticles, ferrocene, iron oxides |
Journal or Publication Title: | Dalton Transactions |
Publisher: | Royal Society of Chemistry |
ISSN: | 1477-9226 |
DOI / ID Number: | https://doi.org/10.1039/D1DT03222D |
Copyright Information: | © The Royal Society of Chemistry 2022 |
Item Statistics: | View statistics for this item |
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