KEYWORDS: Nanostructures, Silver, Luminescence, Nanolithography, Scanning electron microscopy, Metals, Deposition processes, Diffusion, Simulation of CCA and DLA aggregates, Nanoparticles
Various silver nanostructures, semi-ball, jungle, and dendritic, are demonstrated by an
electrical deposition process. The formation of silver nanostructures with various morphologies is
studied by the mechanism of the diffusion limited aggregation (DLA) model. A array pattern of silver
nanostructures can be obtained when the conductive substrate was used in a uniform electrical filed. A
thickness 500 nm of Alq3 thin-film was covered on the silver nanostructure by thermal evaporation
method. The strongest intensity of Alq3 green emission was observed when the pattern-array dendritic
silver nanostructure was covered by Alq3. It can be explained with the plasmonic coupling due to the
Alq3 and dendritic nanostructure. The result can help us to further application the patterned-array
silver dendritic nanostructure for advanced opto-electronic device.
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