Cited by 419Magnetic Properties and Synthesis of FerritesIron oxide chemistry and applicationsChemical and Physical Properties of Materials

Large-scale synthesis of uniform and crystalline magnetite nanoparticles using reverse micelles as nanoreactors under reflux conditions

Lee, Y., Lee, J., Bae, C. J., Park, J.‐G., Noh, H.‐J., Park, J.‐H., Hyeon, T.·2005·Advanced Functional Materials

Abstract

Abstract We have synthesized uniform and highly crystalline magnetite nanoparticles from the reaction of iron salts in microemulsion nanoreactors. The particle size can be controlled from 2 nm to 10 nm by varying the relative concentrations of the iron salts, surfactant, and solvent. Transmission electron microscope images of the nanoparticles reveal that they are very uniform in size distribution. Structural characterization using X‐ray diffraction and X‐ray magnetic circular dichroism shows that the nanoparticles are magnetite. The magnetic characterization of the nanoparticles showed that they are superparamagnetic at room temperature. Using a similar synthetic procedure, we have been able to synthesize nanoparticles of several mixed metal ferrites including cobalt ferrite, manganese ferrite, nickel ferrite, and zinc ferrite.

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Crossref · 10.1002/adfm.200400187

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47 of 47 references verified0 citation errors · 0 not checkable

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  • Maintenance of micelle structure at high reaction temperature or thermal annealing of synthesized iron oxide are ways to increase the crystallinity of particles prepared by microemulsion.

    “Maintenance of micelle structure at high reaction temperature [41] or thermal annealing of synthesized iron oxide [42] are ways to increase the crystallinity of the particles prepared by this method.”

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Authors
Lee, Y., Lee, J., Bae, C. J., Park, J. ‐., Noh, H. ‐., Park, J. ‐., & Hyeon, T.
Affiliations
  • Seoul National University (KR)
  • Sungkyunkwan University (KR)
  • Pohang University of Science and Technology (KR)
Venue
Advanced Functional Materials
Publisher
Wiley
Published
2005-03
Volume
15
Issue
3
Pages
503-509
ISSN
  • 1616-301X (ISSN-L)
  • 1616-3028
OpenAlex
W2003485632
Cited by
419
References
47
Citations by year
2026: 3 · 2025: 6 · 2024: 11 · 2023: 11 · 2022: 19 · 2021: 24 · 2020: 16 · 2019: 21 · 2018: 20 · 2017: 19 · 2016: 22 · 2015: 26 · 2014: 20 · 2013: 25 · 2012: 30
FWCI
12.19
Type
journal article
Language
en
Open access
closed
Locations
  • Advanced Functional Materials (publishedVersion)
  • Open Access System for Information Sharing (Pohang University of Science and Technology) (submittedVersion)
  • Seoul National University Open Repository (Seoul National University) (submittedVersion)
Topics
  • Physical Sciences › Materials Science › Materials Chemistry › Magnetic Properties and Synthesis of Ferrites
  • Physical Sciences › Energy › Renewable Energy, Sustainability and the Environment › Iron oxide chemistry and applications
  • Physical Sciences › Materials Science › Materials Chemistry › Chemical and Physical Properties of Materials
Keywords
Fe3O4 nanoparticles, reverse micelles, reflux synthesis, iron salts, particle size control, superparamagnetism, cobalt ferrite, manganese ferrite, nickel ferrite, zinc ferrite, crystallinity

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