Journal article
One pot, scalable synthesis of hydroxide derived ferrite magnetic nanoparticles
Journal of magnetism and magnetic materials, v 582
Sep 2023
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Herein we describe a new, quite simple, highly scalable, one-pot protocol for the synthesis of ferrite nanoparticles, NPs. We immerse water insoluble iron boride, FeB, powders – in plastic bottles at temperatures between 50 °C and 80 °C and ambient pressures – for tens of hours in high pH aqueous solutions of potassium-, sodium-, tetramethylammonium-, or tetrabutylammonium-hydroxides. The resulting powder is comprised of iron oxide, Fe3O4, NPs with, in one case, a saturation magnetization of 75 Am2kg−1, that exhibit ferrimagnetic behavior, with a critical temperature of 820 K. The same protocol was used to convert water soluble iron sulphate, FeSO4, to the same NPs. The average size of the NPs depends on reaction time; after 24 h, they are in the 15 nm range; after 48 h, they are closer to 25 nm. While our approach may appear to be similar to the co-precipitation method for making such NPs, we make a strong case that our approach is significantly simpler, nonetheless reaching high magnetization of NPs.
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Details
- Title
- One pot, scalable synthesis of hydroxide derived ferrite magnetic nanoparticles
- Creators
- Kaustubh Sudhakar - Drexel UniversityTakayuki Kono - Murata (Japan)Tarek El-Melegy - Drexel UniversityHussein Badr - Drexel UniversityPrajwal M. Laxmeesha - Drexel UniversityKiana Montazeri - Drexel UniversityAnna Semisalova - University of Duisburg-EssenMichael Farle - University of Duisburg-EssenUlf Wiedwald - University of Duisburg-EssenMichel W. Barsoum - Drexel University
- Publication Details
- Journal of magnetism and magnetic materials, v 582
- Publisher
- Elsevier
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Materials Science and Engineering
- Web of Science ID
- WOS:001040410100001
- Scopus ID
- 2-s2.0-85165075102
- Other Identifier
- 991020657304104721
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- Collaboration types
- Industry collaboration
- Domestic collaboration
- International collaboration
- Web of Science research areas
- Materials Science, Multidisciplinary
- Physics, Condensed Matter