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One-pot polyol synthesis of monosize PVP-coated sub-5nm Fe3O4 nanoparticles for biomedical applications
- Liu, Hong-Ling;
- Ko, Seung Pil;
- Wu, Jun-Hua;
- Jung, Myung-Hwa;
- Min, Ji Hyun;
- ... Lee, Ju Hun;
- 외 2명
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135초록
Polyvinylpyrrolidone (PVP)-coated sub-5nm 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. (C) 2006 Elsevier B.V. All rights reserved.
키워드
Fe3O4; Magnetic; Magnetite; Nanoparticle; Polyol synthesis; Ultrasmall size; High resolution transmission electron microscopy; Inorganic polymers; Magnetic properties; Magnetite; Microstructure; Nanoparticles; Superparamagnetism; Surface active agents; X ray diffraction
- 제목
- One-pot polyol synthesis of monosize PVP-coated sub-5nm Fe3O4 nanoparticles for biomedical applications
- 저자
- Liu, Hong-Ling; Ko, Seung Pil; Wu, Jun-Hua; Jung, Myung-Hwa; Min, Ji Hyun; Lee, Ju Hun; An, Boo Hyun; Kim, Young Keun
- 발행일
- 2007-03
- 권
- 310
- 호
- 22 SUPPL.
- 페이지
- E815 ~ E817
- 언어
- ENG
- ISSN
- E 1873-4766
P 0304-8853