期刊
SMALL
卷 3, 期 10, 页码 1811-1817出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/smll.200700117
关键词
core/shell materials; hybrids; microspheres; nanocrystal; polymerization
A facile and novel method for the synthesis of magnetite-polymer hybrid microspheres with controllable structure is reported. On the basis of the interactions between polymers and magnetic nanocrytals, which are coated with a primary oleic acid layer, a variety of magnetic microspheres with well-tailored structure are fabricated by carefully modulating polymerization and selecting components of composite microspheres; the evolvement of hierarchical structure, and the magnetic properties of microspheres were systematically studied. Importantly, the mechanism of polymerization-triggered self-positioning of magnetic nanocrystals is investigated.
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