Enhanced photoluminescence of Alq3 via patterned array silver dendritic nanostructures

Wei-Hsiu Hsu; Ming-Hao Hsieh; Shih-Shou Lo

doi:10.1117/12.921820

1 May 2012 Enhanced photoluminescence of Alq3 via patterned array silver dendritic nanostructures

Wei-Hsiu Hsu, Ming-Hao Hsieh, Shih-Shou Lo

Proceedings Volume 8424, Nanophotonics IV; 842428 (2012) https://doi.org/10.1117/12.921820
Event: SPIE Photonics Europe, 2012, Brussels, Belgium

Abstract

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.

Citation Download Citation

Wei-Hsiu Hsu, Ming-Hao Hsieh, and Shih-Shou Lo "Enhanced photoluminescence of Alq3 via patterned array silver dendritic nanostructures", Proc. SPIE 8424, Nanophotonics IV, 842428 (1 May 2012); https://doi.org/10.1117/12.921820

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