One-pot synthesis of PVP-coated Ni0.6Fe2.4O4 nanocrystals
作者： XianYong Lu , Mu Niu , ChunHui Yang , LuoXin Yi , RuiRui Qiao
DOI: 10.1007/S11434-010-4054-Y
关键词:
摘要: Novel poly(N-vinyl-2-pyrrolidone) (PVP)-coated nickel ferrite nanocrystals were prepared by simultaneously pyrolyzing nickel(II) acetylacetonate (Ni(acac)2) and iron(III) (Fe(acac)3) in N-vinyl-2-pyrrolidone (NVP). The PVP coating was formed situ through polymerization of NVP. crystalline structure the resultant analyzed high-resolution transmission electron microscopy, diffraction patterns, powder X-ray diffraction. In addition, valence state Ni metal contents Fe different states photoelectron spectroscopy (XPS), atomic absorption phenanthroline method. surface layer its binding characterized Fourier transform infrared combination with XPS. Colloidal stability experiments revealed that could be dispersed well both phosphate-buffered saline Dulbecco’s Modified Eagle Medium.
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