One-pot polyol synthesis of monosize PVP-coated sub-5 nm Fe3O4 nanoparticles for biomedical applications

Hong Ling Liu, Seung Pil Ko, Jun Hua Wu, Myung Hwa Jung, Ji Hyun Min, Ju Hun Lee, Boo Hyun An, Young-geun Kim

Research output: Contribution to journalArticle

100 Citations (Scopus)

Abstract

Polyvinylpyrrolidone (PVP)-coated sub-5 nm monosize Fe3O4 nanoparticles were synthesized by reduction of Fe(III) acetylacetonate in the presence of PVP polymer as surfactant in one-pot polyol process. Their microstructure and magnetic properties were characterized by XRD, TEM/HRTEM and VSM. It is found that the nanoparticles have high crystallinity with distinct lattices and the magnetic measurements reveal their well-defined superparamagnetic behavior at room temperature. Such Fe3O4 nanoparticles with tailorable size and tunable magnetic properties are promising for biomedical applications.

Original languageEnglish
JournalJournal of Magnetism and Magnetic Materials
Volume310
Issue number2 SUPPL. PART 3
DOIs
Publication statusPublished - 2007 Mar 1

Fingerprint

Povidone
Polyols
Nanoparticles
nanoparticles
Magnetic properties
synthesis
magnetic properties
Magnetic variables measurement
Surface-Active Agents
magnetic measurement
crystallinity
Polymers
Surface active agents
surfactants
Transmission electron microscopy
transmission electron microscopy
microstructure
Microstructure
polymers
room temperature

Keywords

  • FeO
  • Magnetic
  • Magnetite
  • Nanoparticle
  • Polyol synthesis
  • Ultrasmall size

ASJC Scopus subject areas

  • Condensed Matter Physics

Cite this

One-pot polyol synthesis of monosize PVP-coated sub-5 nm Fe3O4 nanoparticles for biomedical applications. / Liu, Hong Ling; Ko, Seung Pil; Wu, Jun Hua; Jung, Myung Hwa; Min, Ji Hyun; Lee, Ju Hun; An, Boo Hyun; Kim, Young-geun.

In: Journal of Magnetism and Magnetic Materials, Vol. 310, No. 2 SUPPL. PART 3, 01.03.2007.

Research output: Contribution to journalArticle

Liu, Hong Ling ; Ko, Seung Pil ; Wu, Jun Hua ; Jung, Myung Hwa ; Min, Ji Hyun ; Lee, Ju Hun ; An, Boo Hyun ; Kim, Young-geun. / One-pot polyol synthesis of monosize PVP-coated sub-5 nm Fe3O4 nanoparticles for biomedical applications. In: Journal of Magnetism and Magnetic Materials. 2007 ; Vol. 310, No. 2 SUPPL. PART 3.
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AU - An, Boo Hyun

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