Abstract
The self-assembly of nanoparticles into higher organizations in a controlled manner has criticalimportance for the utility of the unique properties of nanoparticles. The behavior of magneticFe3O4 nanoparticles (MNPs) with an average size of 6 nm under an enhanced magnetic force isreported. Upon evaporation of the solvent where the MNPs are suspended, formation ofunique micrometer-sized structures is achieved only when there is a patternedsurface constructed from sub-micrometer size magnetic beads in between theapplied magnetic field and the MNPs. The preliminary results indicate that thecombined effect of magnetic field and evaporation rate might help the control ofnanoparticle behavior on surfaces and interfaces in constructing higher structures.
Published Version
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