Time-Varied Magnetic-Field Induced Monolayer Formation and Re-Aggregation of Au Nanoparticles During Solvent Evaporation
The self-organization of citrate-capped Au nanoparticles on silicon slide driven by solvent evaporation is carried out under an time-varied magnetic field. The monolayer formation and succedent re-aggregation of Au nanoparticles are observed. The mechanism is proposed based on the interaction
between Au colloidal surface and rotating electric field around nanoparticles induced by time-varied magnetic field.
Keywords: ASSEMBLY; CAPILLARY FORCE; ELECTROWETTING; SELF-ORGANIZATION
Document Type: Research Article
Publication date: 01 February 2009
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