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J Colloid Interface Sci. 2006 May 15;297(2):660-4. Epub 2005 Dec 9.

Synthesis of Ag-Fe3O4 heterodimeric nanoparticles.

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  • 1Institute for Micro and Nano Science and Technology, Shanghai Jiaotong University, Shanghai, 200030, People's Republic of China.


We report a general synthetic method for construction of size-controlled Ag-Fe3O4 heterodimeric nanoparticles using the Fe3O4 nanoparticles as the seeds. The Ag-Fe3O4 heterodimeric nanoparticle can be controlled by tuning the size of the Fe3O4 seed and reaction conditions for synthesis of the Ag nanoparticles grown on it. The as-synthesized nanoparticles can be readily converted into aqueous-soluble form with newly introduced functional groups on the surface of Ag-Fe3O4 heterodimeric nanoparticles.

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