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Shape Control of Thermodynamically Stable Cobalt Nanorods through Organometallic Chemistry
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2002
Year
NanoparticlesEngineeringNanodevicesMolecular NanotechnologyChemistryNanostructured MaterialsOleic AcidNanoscale ChemistryNanostructure SynthesisMaterials ScienceNanoscale SystemNanotechnologyNanomanufacturingStable NanorodsNanophysicsFunctional NanomaterialsNanomaterialsShape ControlAspect RatioFunctional MaterialsNanostructuresNanomaterials Engineering
The shape of things to come: Nanospheres, thermodynamically stable nanorods, and nanowires are selectively produced in solution from [Co(η3-C8H13)(η4-C8H12)] in the presence of oleic acid and various amines. The aspect ratio of the nanorods is controlled by the length of the alkyl chain of the amine. Nanorods with approximate dimensions of 9×40 nm (see Figure) are ferromagnetic at room temperature.