One-pot synthesis of PVP-coated Ni0.6Fe2.4O4 nanocrystals
Lu XianYong1,2; Niu Mu1; Yang ChunHui1; Yi LuoXin1; Qiao RuiRui1; Du MeiHong3; Gao MingYuan1
AbstractNovel poly(N-vinyl-2-pyrrolidone) (PVP)-coated nickel ferrite nanocrystals were prepared by simultaneously pyrolyzing nickel(II) acetylacetonate (Ni(acac)(2)) and iron(III) acetylacetonate (Fe(acac)(3)) in N-vinyl-2-pyrrolidone (NVP). The PVP coating was formed in situ through polymerization of NVP. The crystalline structure of the resultant nickel ferrite was analyzed by high-resolution transmission electron microscopy, electron diffraction patterns, and powder X-ray diffraction. In addition, the valence state of Ni and the metal contents of Ni and Fe in different valence states were analyzed by X-ray photoelectron spectroscopy (XPS), atomic absorption and the phenanthroline method. The surface coating layer of PVP and its binding states were characterized by Fourier transform infrared spectroscopy in combination with XPS. Colloidal stability experiments revealed that the nanocrystals could be dispersed well in both phosphate-buffered saline and Dulbecco's Modified Eagle Medium.
KeywordMagnetic Nanocrystals Thermal Decomposition N-vinyl-2-pyrrolidone Colloidal Stability
Indexed BySCI
WOS IDWOS:000284064700013
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Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Corresponding AuthorGao MingYuan
Affiliation1.Chinese Acad Sci, Inst Chem, Beijing 100190, Peoples R China
2.Beijing Univ Aeronaut & Astronaut, Sch Chem & Environm, Beijing 100191, Peoples R China
3.Beijing Ctr Phys & Chem Anal, Beijing 100089, Peoples R China
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GB/T 7714
Lu XianYong,Niu Mu,Yang ChunHui,et al. One-pot synthesis of PVP-coated Ni0.6Fe2.4O4 nanocrystals[J]. CHINESE SCIENCE BULLETIN,2010,55(30):3472-3478.
APA Lu XianYong.,Niu Mu.,Yang ChunHui.,Yi LuoXin.,Qiao RuiRui.,...&Gao MingYuan.(2010).One-pot synthesis of PVP-coated Ni0.6Fe2.4O4 nanocrystals.CHINESE SCIENCE BULLETIN,55(30),3472-3478.
MLA Lu XianYong,et al."One-pot synthesis of PVP-coated Ni0.6Fe2.4O4 nanocrystals".CHINESE SCIENCE BULLETIN 55.30(2010):3472-3478.
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